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Fake AV Investigation Unearths KevDroid, New Android Malware

Cisco Talos ()6 min read1 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2017-11882
Memory Corruption RCE in Microsoft Office via Legacy Equation Editor
7.8100%KEVRansomwarePoC ×10
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domaincgalim.coms identified at the following URL during March 2018: hxxp://cgalim[.]com/admin/hr/1.apk The stealer exfiltrates data on the same s
domainebsmpi.compose of this binary is to download additional files: hxxp://ebsmpi[.]com/ipin/360/Ant_4.5.exe hxxp://ebsmpi[.]com/ipin/360/Ant_3.5
domainps.pndsn.comiguration containing the token of the attacker and the URL: ps.pndsn.com Process sub-c-2199cb5c-f20a-11e7-acf8-26f7716e5467 pub-c-cd
sha2564cb16189f52a428a49916a8b533fdebf0fe95970b4066ce235777d3e95bff95be0eb1ffe7f6425c4dcfde2cdd1027dde6d07386c17f878: Ant_3.5.exe 4cb16189f52a428a49916a8b533fdebf0fe95970b4066ce235777d3e95bff95b: 360TS_Setup_Mini.exe RTF: 6b1f2dfe805fa0e27139c5a484004259
sha2566b1f2dfe805fa0e27139c5a4840042599262dbbf4511a118d3fba3d4ec35f2d70fe95970b4066ce235777d3e95bff95b: 360TS_Setup_Mini.exe RTF: 6b1f2dfe805fa0e27139c5a4840042599262dbbf4511a118d3fba3d4ec35f2d7
sha2567a82cc0330e8974545d5a8cdca95b8d87250224aabc6a4f75a08dddaebb796707872e826869d270cbd5c0dc4efafff6c958bd1350ce1db973eb: hr.doc 7a82cc0330e8974545d5a8cdca95b8d87250224aabc6a4f75a08dddaebb79670: hr.doc 90abfe3e4f21b5a16cd1ff3c485f079f73f5e7bbaca81691720
sha25686887ce368d9a3e7fdf9aa62418cd68daeea62269d17afb059ab64201047e378080b97516dbe2e93ffaa3ac6fb0a4050a7616016c10d32: Ant_3.5.exe 86887ce368d9a3e7fdf9aa62418cd68daeea62269d17afb059ab64201047e378:Servlet.exe (hr.doc variant) 9ff7240c77fca939cde0eb1ffe7f64
sha25690abfe3e4f21b5a16cd1ff3c485f079f73f5e7bbaca816917204858bb08007fc74545d5a8cdca95b8d87250224aabc6a4f75a08dddaebb79670: hr.doc 90abfe3e4f21b5a16cd1ff3c485f079f73f5e7bbaca816917204858bb08007fc: Ant_4.5.exe d24d1b667829db9871080b97516dbe2e93ffaa3ac6fb0a
sha2569ff7240c77fca939cde0eb1ffe7f6425c4dcfde2cdd1027dde6d07386c17f878ea62269d17afb059ab64201047e378:Servlet.exe (hr.doc variant) 9ff7240c77fca939cde0eb1ffe7f6425c4dcfde2cdd1027dde6d07386c17f878: Ant_3.5.exe 4cb16189f52a428a49916a8b533fdebf0fe95970b4066c
sha256c015292aab1d41acd0674c98cd8e91379c1a645c31da24f8d017722d9b9422355489e1f8a9fe19b160f112726e7ac2687e429695723bca6a Variant 2: c015292aab1d41acd0674c98cd8e91379c1a645c31da24f8d017722d9b942235 C2: hxxp://cgalim[.]com/admin/hr/pu/pu.php PubNubRAT: URL:
sha256d24d1b667829db9871080b97516dbe2e93ffaa3ac6fb0a4050a7616016c10d32d1ff3c485f079f73f5e7bbaca816917204858bb08007fc: Ant_4.5.exe d24d1b667829db9871080b97516dbe2e93ffaa3ac6fb0a4050a7616016c10d32: Ant_3.5.exe 86887ce368d9a3e7fdf9aa62418cd68daeea62269d17af
sha256dd3f5ad44a80e7872e826869d270cbd5c0dc4efafff6c958bd1350ce1db973ebt_3.5.exe hxxp://ebsmpi[.]com/ipin/360/desktops.ini Sample: dd3f5ad44a80e7872e826869d270cbd5c0dc4efafff6c958bd1350ce1db973eb: hr.doc 7a82cc0330e8974545d5a8cdca95b8d87250224aabc6a4f75a0
sha256f33aedfe5ebc918f5489e1f8a9fe19b160f112726e7ac2687e429695723bca6aevDroid: URL: hxxp://cgalim[.]com/admin/hr/1.apk Variant 1: f33aedfe5ebc918f5489e1f8a9fe19b160f112726e7ac2687e429695723bca6a Variant 2: c015292aab1d41acd0674c98cd8e91379c1a645c31da24f8
urlhttp://cgalim.com/admin/1211me/Ant_3.5.exeiginal server: hxxp://cgalim[.]com/admin/1211me/Ant_4.5.exe hxxp://cgalim[.]com/admin/1211me/Ant_3.5.exe hxxp://cgalim[.]com/admin/1211me/desktops.ini The downloa
urlhttp://cgalim.com/admin/1211me/Ant_4.5.exeample that downloads the same files on our original server: hxxp://cgalim[.]com/admin/1211me/Ant_4.5.exe hxxp://cgalim[.]com/admin/1211me/Ant_3.5.exe hxxp://cgali
urlhttp://cgalim.com/admin/1211me/desktops.inime/Ant_4.5.exe hxxp://cgalim[.]com/admin/1211me/Ant_3.5.exe hxxp://cgalim[.]com/admin/1211me/desktops.ini The downloaded executables are RATs developed in .NET, an
urlhttp://cgalim.com/admin/hr/1.apkmple was identified at the following URL during March 2018: hxxp://cgalim[.]com/admin/hr/1.apk The stealer exfiltrates data on the same server at the fo
urlhttp://cgalim.com/admin/hr/hr.docovered a Windows binary on the server at the following URL: hxxp://cgalim[.]com/admin/hr/hr.doc The purpose of this binary is to download additional file
urlhttp://cgalim.com/admin/hr/pu/pu.phpb1d41acd0674c98cd8e91379c1a645c31da24f8d017722d9b942235 C2: hxxp://cgalim[.]com/admin/hr/pu/pu.php PubNubRAT: URL: hxxp://cgalim[.]com/admin/hr/hr.doc hxxp:
urlhttp://ebsmpi.com/ipin/360/Ant_3.5.exeadditional files: hxxp://ebsmpi[.]com/ipin/360/Ant_4.5.exe hxxp://ebsmpi[.]com/ipin/360/Ant_3.5.exe hxxp://ebsmpi[.]com/ipin/360/desktops.ini We found an add
urlhttp://ebsmpi.com/ipin/360/Ant_4.5.exeThe purpose of this binary is to download additional files: hxxp://ebsmpi[.]com/ipin/360/Ant_4.5.exe hxxp://ebsmpi[.]com/ipin/360/Ant_3.5.exe hxxp://ebsmpi[.]
urlhttp://ebsmpi.com/ipin/360/desktops.iniin/360/Ant_4.5.exe hxxp://ebsmpi[.]com/ipin/360/Ant_3.5.exe hxxp://ebsmpi[.]com/ipin/360/desktops.ini We found an additional sample that downloads the same fil

From the original article

6 min read at blog.talosintelligence.com

This blog post is authored by Warren Mercer , Paul Rascagneres , Vitor Ventura and with contributions from Jungsoo An. Several days ago, EST Security published a post concerning a fake antivirus malware targeting the Android mobile platform. In the Korean media , it was mentioned that there could be a link between this Android malware and Group 123.

Cisco Talos

blog.talosintelligence.com

Read the full article at Cisco Talos

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.