Analysis
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max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 12:56
Static task
static1
Behavioral task
behavioral1
Sample
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe
Resource
win10v2004-20240412-en
General
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Target
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe
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Size
166KB
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MD5
340b6f816bfdcfcb466cfc126c976844
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SHA1
e2e3adfcf621166a9f5bb7ee9795b7914cda2095
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SHA256
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57
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SHA512
3e729878fe7ae2ea2f025d71d78226ddb5930b791143eb8c4ba4a7589d5944e5b0e37e8ffe1ea4983bbc66c71587e3a4b158b3e8a2b71ccbed2889c4778962f9
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SSDEEP
3072:1LFrb30BRtBZZg+i2ayy2RjLTuVyu7CJDgoMT3QLOoBB2W:ZJ0BXScFy2RsQJ8zgLOYB
Malware Config
Extracted
C:\Users\1eou15g-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/DAB72FA0C5017668
http://decryptor.cc/DAB72FA0C5017668
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\k51299BQXH = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe" 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exedescription ioc process File opened (read-only) \??\A: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\F: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\B: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\S: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\V: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\W: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\Z: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\H: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\R: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\O: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\I: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\N: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\T: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\D: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\J: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\K: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\L: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\P: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\E: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\G: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\U: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\X: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\Y: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\M: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened (read-only) \??\Q: 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\188q447y0h2.bmp" 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe -
Drops file in Program Files directory 31 IoCs
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exedescription ioc process File opened for modification \??\c:\program files\ConnectFind.i64 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\GetResume.dib 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\InitializeUpdate.rar 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\SkipReset.dib 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\UnregisterSelect.m4v 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File created \??\c:\program files\1eou15g-readme.txt 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\InitializeDebug.m3u 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\SetTrace.xlt 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\ApproveSelect.nfo 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\ConnectShow.inf 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\CopyInitialize.ADTS 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\UnprotectPush.odp 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\BlockRemove.vstm 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\StepRestore.jfif 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\ApproveExpand.vbe 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\EditAdd.M2T 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\ResetClear.vb 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\DisconnectDeny.mht 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\InstallConvert.m1v 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\SubmitCompress.emz 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\EnablePop.emf 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\ExportConnect.jpeg 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\SelectOpen.html 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\StepProtect.scf 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File created \??\c:\program files (x86)\1eou15g-readme.txt 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\FindFormat.ini 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\InitializeInvoke.3gp2 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\MergeCompress.ttc 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\OptimizeHide.mpg 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\ResumeExpand.avi 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe File opened for modification \??\c:\program files\UnblockMeasure.xps 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe -
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\151682F5218C0A511C28F4060A73B9CA78CE9A53 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe Set value (data) \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\151682F5218C0A511C28F4060A73B9CA78CE9A53\Blob = 030000000100000014000000151682f5218c0a511c28f4060a73b9ca78ce9a531400000001000000140000007c4296aede4b483bfa92f89e8ccf6d8ba972379504000000010000001000000029f1c1b26d92e893b6e6852ab708cce10f00000001000000200000005aef843ffcf2ec7055f504a162f229f8391c370ff3a6163d2db3f3d604d622be19000000010000001000000070d4f0bec2078234214bd651643b02405c0000000100000004000000800100001800000001000000100000002fe1f70bb05d7c92335bc5e05b984da62000000001000000640400003082046030820248a0030201020210079e492886376fd40848c23fc631e463300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3230303930343030303030305a170d3235303931353136303030305a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f742058323076301006072a8648ce3d020106052b8104002203620004cd9bd59f80830aec094af3164a3e5ccf77acde67050d1d07b6dc16fb5a8b14dbe27160c4ba459511898eea06dff72a161ca4b9c5c532e003e01e8218388bd745d80a6a6ee60077fb02517d22d80a6e9a5b77dff0fa41ec39dc75ca68070c1feaa381e53081e2300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604147c4296aede4b483bfa92f89e8ccf6d8ba9723795301f0603551d2304183016801479b459e67bb6e5e40173800888c81a58f6e99b6e303206082b0601050507010104263024302206082b060105050730028616687474703a2f2f78312e692e6c656e63722e6f72672f30270603551d1f0420301e301ca01aa0188616687474703a2f2f78312e632e6c656e63722e6f72672f30220603551d20041b30193008060667810c010201300d060b2b0601040182df13010101300d06092a864886f70d01010b050003820201001b7f252b907a0876007718e1c32e8a364c417ebf174be330d75b0c7e9c96986f7bb068c02444cce2f2fcd1eadbd29f01f9174d0c9d55fda5ad6dd22f3f4b72c02eae73c7251657c23e15ade031d10a84846c6278423122461aed7a40bf9716814477ca6c7b5d215c07f2119121bfe12fc2ef6efd0520e4b4f779f32dbb372af0c6b1acac51f51fb35a1e66ce580718387f71a93c83bad7bc829e9a760f9eb029fdcbf38907481bfeab932e14210d5faf8eb754ab5d0ed45b4c71d092ea3da3369b7c1fe03b55b9d85353cc8366bb4adc810600188bf4b3d748b11341b9c4b69ecf2c778e42200b807e9fc5ab48dbbc6f048d6c4629020d708a1df11273b64624429e2a1718e3acc798c272cc6d2d766ddd2c2b2696a5cf21081be5da2fcbef9f7393aef8365f478f9728ceabe29826988bfdee28322229ed4c9509c420fa07e1862c44f68147c0e46232ed1dd83c488896c35e91b6af7b59a4eee3869cc78858ca282a66559b8580b91dd8402bc91c133ca9ebde99c21640f6f5a4ae2a256c52bac7044cb432bbfc385ca00c617b57ec774e50cfaf06a20f378ce10ed2d32f1abd9c713ecce1f8d1a8a3bd04f619c0f986aff50e1aaa956befca47714b631c4d96db55230a9d0f8175a0e640f56446036ecefa6a7d06eca4340674da53d8b9b8c6237da9f82a2da482a62e2d11cae6cd31587985e6721ca79fd34cd066d0a7bb 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exepowershell.exepid process 2736 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe 2736 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe 4048 powershell.exe 4048 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 2736 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe Token: SeDebugPrivilege 4048 powershell.exe Token: SeBackupPrivilege 3260 vssvc.exe Token: SeRestorePrivilege 3260 vssvc.exe Token: SeAuditPrivilege 3260 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exedescription pid process target process PID 2736 wrote to memory of 4048 2736 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe powershell.exe PID 2736 wrote to memory of 4048 2736 3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe powershell.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe"C:\Users\Admin\AppData\Local\Temp\3cff33197edc918d47d08f44d6ddbdda157337f0ad58288d15746cf72c0e4c57.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:5104
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3260
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6KB
MD580ad59ce9dc67073751c52a84c96b036
SHA1d7404b0bb03e921b58399e049e33c3b255ef6e28
SHA25655a1cb59530eb38225bbfa8c97749226ecddd1974f4b4d49bacd4bdea261cbf0
SHA512cc50f08892f22c9b859dc52124ae0238a37c512a2f23809dc599796468f8a20dae411597bd666f87a3cb743eb13745bc462b75ab142619942e5693f7454da2c4
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82