Analysis
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max time kernel
138s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 12:56
Static task
static1
Behavioral task
behavioral1
Sample
6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe
Resource
win10v2004-20240226-en
General
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Target
6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe
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Size
166KB
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MD5
44c753ed1faec948b0d98bc9ba047469
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SHA1
1aa2d575752dcfa73ea8bd2fa666e18588be353c
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SHA256
6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01
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SHA512
f7d4c3988f82839264e83c1a17024c695bd8ff31a224eba3cfc9e3712758be5450521c1e52c246b02dad0849bdf381ad40d77e9b5bab6f8135f07219c13047e0
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SSDEEP
3072:1LFrb30BRtBZZg+i2ayy2RjLTuVyu7CJDgoMT3QoIeXt5KCn16:ZJ0BXScFy2RsQJ8zg9edTn1
Malware Config
Extracted
C:\Recovery\1uz5e1y6-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/CB40CAC4FE8B2D80
http://decryptor.cc/CB40CAC4FE8B2D80
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\V: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\E: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\I: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\U: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\Q: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\G: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\R: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\Z: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\N: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\S: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\T: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\W: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\A: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\B: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\J: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\X: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\Y: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\K: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\O: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\H: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\L: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\P: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\M: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\D: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened (read-only) \??\F: 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0wft5.bmp" 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe -
Drops file in Program Files directory 36 IoCs
description ioc Process File opened for modification \??\c:\program files\UpdateRename.vssm 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\LockRequest.xls 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\MountBlock.ps1xml 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\ResizeUnpublish.gif 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\TraceStart.temp 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\UnregisterRestart.txt 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\ConfirmDisable.vsdx 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\EditGrant.clr 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\ExpandFind.wdp 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\RemoveUnlock.mhtml 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\ResumePing.xps 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\ExportSelect.ppsm 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\OpenShow.cfg 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\OutSubmit.nfo 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\ResetUninstall.odt 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\LimitWait.midi 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\PushApprove.ogg 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\WatchCompress.vsw 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\LockConfirm.odp 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\OutSubmit.dib 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\UnlockStep.m1v 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\UnregisterShow.rtf 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\EnterEnable.crw 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\EnterSkip.inf 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\ExpandSplit.vdx 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\HideUnprotect.vbe 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\CheckpointClear.txt 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\GroupInitialize.dib 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\RestoreRedo.wpl 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\UnblockRestart.M2TS 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\RepairOpen.mid 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\UnpublishFormat.vsdm 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File created \??\c:\program files\1uz5e1y6-readme.txt 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File created \??\c:\program files (x86)\1uz5e1y6-readme.txt 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\CloseGroup.M2V 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe File opened for modification \??\c:\program files\HideSave.jpeg 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2640 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe 2640 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe 3252 powershell.exe 3252 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2640 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe Token: SeDebugPrivilege 3252 powershell.exe Token: SeBackupPrivilege 4376 vssvc.exe Token: SeRestorePrivilege 4376 vssvc.exe Token: SeAuditPrivilege 4376 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2640 wrote to memory of 3252 2640 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe 91 PID 2640 wrote to memory of 3252 2640 6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe 91 -
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\6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe"C:\Users\Admin\AppData\Local\Temp\6628de7ffbbe168a4fa9ff0a1a29b54e88a32e5963db0dd1aea4b80102c8ce01.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3252
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3360
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4376
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3844 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:4060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7KB
MD5e1ea2ff319a5a60b8662d69f4847d00b
SHA191bc067e8462b0132376bcccad9309c01fe893ce
SHA256437c676b3e7b7b07ab34ec8d8dd3e7a7dd74d204450e4b857941f4554596fb41
SHA512798db972349952f2c06aeec62e7c820d7bef632324aa802b266702eef2d2d0f1c3521b3c1043122f04db7511228f71fd7c2ea4f8191735428d0b2f72e71f2ad0
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82