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Cloud Atlas using a new backdoor, VBCloud, to steal data

Kaspersky Securelistby @Securelist ()12 min read2 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2018-0802
Memory Corruption RCE in Microsoft Office Equation Editor
7.893%KEVRansomwarePoC ×3
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domaincontent-protect.nety GReAT. Indicators of compromise HTA file download domains content-protect[.]net control-issue[.]net office-confirm[.]com onesoftware[.]in
domaincontrol-issue.netcompromise HTA file download domains content-protect[.]net control-issue[.]net office-confirm[.]com onesoftware[.]info serverop-parametr
domaingosportal.netks[.]net yandisk[.]info mirconnect[.]info sber-cloud[.]info gosportal[.]net riamir[.]net web-wathapp[.]com PowerShower C2 yandisk[.]i
domainkim.nl.tab.digitalt VBCloud does the following: Check the availability of the kim.nl.tab.digital WebDav server by sending an HTTP MKCOL request to create th
domainmirconnect.infoger-working[.]com VBShower C2 yandesks[.]net yandisk[.]info mirconnect[.]info sber-cloud[.]info gosportal[.]net riamir[.]net web-wathap
domainnet-plugin.orgesoftware[.]info serverop-parametrs[.]com web-privacy[.]net net-plugin[.]org triger-working[.]com VBShower C2 yandesks[.]net yandisk[.
domainoffice-confirm.comdownload domains content-protect[.]net control-issue[.]net office-confirm[.]com onesoftware[.]info serverop-parametrs[.]com web-privacy[.
domainonesoftware.infotent-protect[.]net control-issue[.]net office-confirm[.]com onesoftware[.]info serverop-parametrs[.]com web-privacy[.]net net-plugin[.]o
domainriamir.net[.]info mirconnect[.]info sber-cloud[.]info gosportal[.]net riamir[.]net web-wathapp[.]com PowerShower C2 yandisk[.]info yandeskto
domainsber-cloud.infoVBShower C2 yandesks[.]net yandisk[.]info mirconnect[.]info sber-cloud[.]info gosportal[.]net riamir[.]net web-wathapp[.]com PowerShowe
domainserverop-parametrs.comcontrol-issue[.]net office-confirm[.]com onesoftware[.]info serverop-parametrs[.]com web-privacy[.]net net-plugin[.]org triger-working[.]com V
domaintriger-working.comserverop-parametrs[.]com web-privacy[.]net net-plugin[.]org triger-working[.]com VBShower C2 yandesks[.]net yandisk[.]info mirconnect[.]in
domainweb-privacy.nete-confirm[.]com onesoftware[.]info serverop-parametrs[.]com web-privacy[.]net net-plugin[.]org triger-working[.]com VBShower C2 yandesk
domainweb-wathapp.comnnect[.]info sber-cloud[.]info gosportal[.]net riamir[.]net web-wathapp[.]com PowerShower C2 yandisk[.]info yandesktop[.]com web-wathap
domainyandesks.netacy[.]net net-plugin[.]org triger-working[.]com VBShower C2 yandesks[.]net yandisk[.]info mirconnect[.]info sber-cloud[.]info gospor
domainyandesktop.comiamir[.]net web-wathapp[.]com PowerShower C2 yandisk[.]info yandesktop[.]com web-wathapp[.]com Cloud repositories used ​by VBCloud web
domainyandisk.infolugin[.]org triger-working[.]com VBShower C2 yandesks[.]net yandisk[.]info mirconnect[.]info sber-cloud[.]info gosportal[.]net riami
md50139f32a523d453bc338a67ca45c224dC74C0BE9858853 F45008BF1889A8655D32A0EB93B8ACDD VBCloud MD5 0139F32A523D453BC338A67CA45C224D 01DB58A1D0EC85ADC13290A6290AD9D6 0F37E1298E4C82098DC9318C7E
md5016b6a035b44c1ad10d070abcdfe2f66A00 VBShower::Launcher MD5 AA8DA99D5623FAFED356A14E59ACBB90 016B6A035B44C1AD10D070ABCDFE2F66 160A65E830EB97AAE6E1305019213558 184CF8660AF7538CD1CD2559A1
md501db58a1d0ec85adc13290a6290ad9d632A0EB93B8ACDD VBCloud MD5 0139F32A523D453BC338A67CA45C224D 01DB58A1D0EC85ADC13290A6290AD9D6 0F37E1298E4C82098DC9318C7E65F9D2 6FCEE9878216019C8DFA887075
md50f37e1298e4c82098dc9318c7e65f9d22A523D453BC338A67CA45C224D 01DB58A1D0EC85ADC13290A6290AD9D6 0F37E1298E4C82098DC9318C7E65F9D2 6FCEE9878216019C8DFA887075C5E68E D445D443ACE329FB244EDC3E51
md515fd46ac775a30b1963281a037a771b1C384CA4666 A30319545FDA9E2DA0532746C09130EB PowerShower MD5 15FD46AC775A30B1963281A037A771B1 31B01387CA60A1771349653A3C6AD8CA 389BC3B9417D893F3324221141
md5160a65e830eb97aae6e13050192135589D5623FAFED356A14E59ACBB90 016B6A035B44C1AD10D070ABCDFE2F66 160A65E830EB97AAE6E1305019213558 184CF8660AF7538CD1CD2559A10B6622 1AF1F9434E4623B7046CF6360E
md5184cf8660af7538cd1cd2559a10b6622035B44C1AD10D070ABCDFE2F66 160A65E830EB97AAE6E1305019213558 184CF8660AF7538CD1CD2559A10B6622 1AF1F9434E4623B7046CF6360E0A520E 1BFB9CBA8AA23A401925D356B2
md51af1f9434e4623b7046cf6360e0a520eE830EB97AAE6E1305019213558 184CF8660AF7538CD1CD2559A10B6622 1AF1F9434E4623B7046CF6360E0A520E 1BFB9CBA8AA23A401925D356B2F6E7ED 21585D5881CC11ED1F615FDB2D
md51bfb9cba8aa23a401925d356b2f6e7ed660AF7538CD1CD2559A10B6622 1AF1F9434E4623B7046CF6360E0A520E 1BFB9CBA8AA23A401925D356B2F6E7ED 21585D5881CC11ED1F615FDB2D7ACC11 242E86E658FE6AB6E4C81B6816
md521585d5881cc11ed1f615fdb2d7acc11434E4623B7046CF6360E0A520E 1BFB9CBA8AA23A401925D356B2F6E7ED 21585D5881CC11ED1F615FDB2D7ACC11 242E86E658FE6AB6E4C81B68162B3001 2FE7E75BC599B1C68B87CF2A3E
md5242e86e658fe6ab6e4c81b68162b3001BA8AA23A401925D356B2F6E7ED 21585D5881CC11ED1F615FDB2D7ACC11 242E86E658FE6AB6E4C81B68162B3001 2FE7E75BC599B1C68B87CF2A3E7AA51F 36DD0FBD19899F0B23ADE5A1DE
md52d24044c0a5b9ebe4e01ded2bfc2b3a411CB9D1D71F0FA70ECD1AF2480 CBFB691E95EE34A324F94ED1FF91BC23 2D24044C0A5B9EBE4E01DED2BFC2B3A4 88BE01F8C4A9F335D33FA7C384CA4666 A30319545FDA9E2DA0532746C0
md52fe7e75bc599b1c68b87cf2a3e7aa51f5881CC11ED1F615FDB2D7ACC11 242E86E658FE6AB6E4C81B68162B3001 2FE7E75BC599B1C68B87CF2A3E7AA51F 36DD0FBD19899F0B23ADE5A1DE3C2FEC 389F6E6FD9DCC84C6E944DC387
md531b01387ca60a1771349653a3c6ad8ca46C09130EB PowerShower MD5 15FD46AC775A30B1963281A037A771B1 31B01387CA60A1771349653A3C6AD8CA 389BC3B9417D893F3324221141EDEA00 VBShower::Launcher MD5 AA8
md536dd0fbd19899f0b23ade5a1de3c2fecE658FE6AB6E4C81B68162B3001 2FE7E75BC599B1C68B87CF2A3E7AA51F 36DD0FBD19899F0B23ADE5A1DE3C2FEC 389F6E6FD9DCC84C6E944DC387087A56 3A54ACD967DD104522BA7D66F4
md5389bc3b9417d893f3324221141edea00AC775A30B1963281A037A771B1 31B01387CA60A1771349653A3C6AD8CA 389BC3B9417D893F3324221141EDEA00 VBShower::Launcher MD5 AA8DA99D5623FAFED356A14E59ACBB90 016
md5389f6e6fd9dcc84c6e944dc387087a565BC599B1C68B87CF2A3E7AA51F 36DD0FBD19899F0B23ADE5A1DE3C2FEC 389F6E6FD9DCC84C6E944DC387087A56 3A54ACD967DD104522BA7D66F4D86544 3F12BF4A8D82654861B5B5993C
md53a54acd967dd104522ba7d66f4d86544BD19899F0B23ADE5A1DE3C2FEC 389F6E6FD9DCC84C6E944DC387087A56 3A54ACD967DD104522BA7D66F4D86544 3F12BF4A8D82654861B5B5993C012BFA 49F8ED13A8A13799A34CC999B1
md53f12bf4a8d82654861b5b5993c012bfa6FD9DCC84C6E944DC387087A56 3A54ACD967DD104522BA7D66F4D86544 3F12BF4A8D82654861B5B5993C012BFA 49F8ED13A8A13799A34CC999B195BF16 4B96DC735B622A94D3C74C0BE9
md549f8ed13a8a13799a34cc999b195bf16D967DD104522BA7D66F4D86544 3F12BF4A8D82654861B5B5993C012BFA 49F8ED13A8A13799A34CC999B195BF16 4B96DC735B622A94D3C74C0BE9858853 F45008BF1889A8655D32A0EB93
md54b96dc735b622a94d3c74c0be98588534A8D82654861B5B5993C012BFA 49F8ED13A8A13799A34CC999B195BF16 4B96DC735B622A94D3C74C0BE9858853 F45008BF1889A8655D32A0EB93B8ACDD VBCloud MD5 0139F32A523D45
md56fcee9878216019c8dfa887075c5e68eA1D0EC85ADC13290A6290AD9D6 0F37E1298E4C82098DC9318C7E65F9D2 6FCEE9878216019C8DFA887075C5E68E D445D443ACE329FB244EDC3E5146313B F3F28018FB5108B516D802A038
md588be01f8c4a9f335d33fa7c384ca46661E95EE34A324F94ED1FF91BC23 2D24044C0A5B9EBE4E01DED2BFC2B3A4 88BE01F8C4A9F335D33FA7C384CA4666 A30319545FDA9E2DA0532746C09130EB PowerShower MD5 15FD46AC77
md59d3557cc5c444fe5d73e4c7fe1872414bdav.mydrive.ch webdav.yandex.ru kim.nl.tab.digital HTA MD5 9D3557CC5C444FE5D73E4C7FE1872414 CBA05E11CB9D1D71F0FA70ECD1AF2480 CBFB691E95EE34A324F94ED1FF
md5a30319545fda9e2da0532746c09130eb4C0A5B9EBE4E01DED2BFC2B3A4 88BE01F8C4A9F335D33FA7C384CA4666 A30319545FDA9E2DA0532746C09130EB PowerShower MD5 15FD46AC775A30B1963281A037A771B1 31B01387CA
md5aa8da99d5623fafed356a14e59acbb908CA 389BC3B9417D893F3324221141EDEA00 VBShower::Launcher MD5 AA8DA99D5623FAFED356A14E59ACBB90 016B6A035B44C1AD10D070ABCDFE2F66 160A65E830EB97AAE6E1305019
md5cba05e11cb9d1d71f0fa70ecd1af2480kim.nl.tab.digital HTA MD5 9D3557CC5C444FE5D73E4C7FE1872414 CBA05E11CB9D1D71F0FA70ECD1AF2480 CBFB691E95EE34A324F94ED1FF91BC23 2D24044C0A5B9EBE4E01DED2BF
md5cbfb691e95ee34a324f94ed1ff91bc23CC5C444FE5D73E4C7FE1872414 CBA05E11CB9D1D71F0FA70ECD1AF2480 CBFB691E95EE34A324F94ED1FF91BC23 2D24044C0A5B9EBE4E01DED2BFC2B3A4 88BE01F8C4A9F335D33FA7C384
md5d445d443ace329fb244edc3e5146313b298E4C82098DC9318C7E65F9D2 6FCEE9878216019C8DFA887075C5E68E D445D443ACE329FB244EDC3E5146313B F3F28018FB5108B516D802A038F90BDE
md5f3f28018fb5108b516d802a038f90bde878216019C8DFA887075C5E68E D445D443ACE329FB244EDC3E5146313B F3F28018FB5108B516D802A038F90BDE
md5f45008bf1889a8655d32a0eb93b8acdd13A8A13799A34CC999B195BF16 4B96DC735B622A94D3C74C0BE9858853 F45008BF1889A8655D32A0EB93B8ACDD VBCloud MD5 0139F32A523D453BC338A67CA45C224D 01DB58A1D0EC85

From the original article

12 min read at securelist.com

Known since 2014, Cloud Atlas targets Eastern Europe and Central Asia. We’re shedding light on a previously undocumented toolset, which the group used heavily in 2024. Victims get infected via phishing emails containing a malicious document that exploits a vulnerability in the formula editor ( CVE-2018-0802 ) to download and execute malware code.

Kaspersky Securelist

By @Securelist · securelist.com

Read the full article at Kaspersky Securelist

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.