Resubmissions
15-06-2024 03:27
240615-d1akhs1fmk 10Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-06-2024 03:27
Static task
static1
Behavioral task
behavioral1
Sample
acbd7cf1df4ef4e2c4812747cd443e66_JaffaCakes118.dll
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
acbd7cf1df4ef4e2c4812747cd443e66_JaffaCakes118.dll
Resource
win10v2004-20240508-en
General
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Target
acbd7cf1df4ef4e2c4812747cd443e66_JaffaCakes118.dll
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Size
166KB
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MD5
acbd7cf1df4ef4e2c4812747cd443e66
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SHA1
9e386231a88ffafb3597fddfa909289febf105df
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SHA256
218ad6e33041a0bdb60c8de03e7dcdf42e5392e106a4b5b0436cdaa02a8dd2c9
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SHA512
8f116add8d2108ad314221bb4fb77308884c849d8f614f140ca7d989e481b4024afa37a768d20257296c0a6715ca8bb1341081eb896a6045617ea4e403b676f5
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SSDEEP
3072:JLFrb30BRtBZZg+i2ayyYOCWGPyLydrkxMT3Q3VMg7UEgZp6:NJ0BXScFyfC3Hd4yg3V5K
Malware Config
Extracted
C:\Users\6vjnp19j69-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/C6C8BAF20F4F67F8
http://decryptor.cc/C6C8BAF20F4F67F8
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) \??\J: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\Y: rundll32.exe -
Drops file in Program Files directory 11 IoCs
description ioc Process File opened for modification \??\c:\program files\UnprotectUnblock.au rundll32.exe File opened for modification \??\c:\program files\UpdateFormat.tif rundll32.exe File created \??\c:\program files\6vjnp19j69-readme.txt rundll32.exe File opened for modification \??\c:\program files\ConfirmBackup.inf rundll32.exe File opened for modification \??\c:\program files\DisableResize.wpl rundll32.exe File opened for modification \??\c:\program files\RestartEnable.mpg rundll32.exe File opened for modification \??\c:\program files\WaitAdd.ADTS rundll32.exe File created \??\c:\program files (x86)\6vjnp19j69-readme.txt rundll32.exe File opened for modification \??\c:\program files\BlockUnprotect.dotx rundll32.exe File opened for modification \??\c:\program files\ConnectBlock.MTS rundll32.exe File opened for modification \??\c:\program files\RemoveLock.ps1xml rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4400 rundll32.exe 4400 rundll32.exe 772 powershell.exe 772 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4400 rundll32.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeBackupPrivilege 5004 vssvc.exe Token: SeRestorePrivilege 5004 vssvc.exe Token: SeAuditPrivilege 5004 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1816 wrote to memory of 4400 1816 rundll32.exe 89 PID 1816 wrote to memory of 4400 1816 rundll32.exe 89 PID 1816 wrote to memory of 4400 1816 rundll32.exe 89 PID 4400 wrote to memory of 772 4400 rundll32.exe 94 PID 4400 wrote to memory of 772 4400 rundll32.exe 94 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\acbd7cf1df4ef4e2c4812747cd443e66_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\acbd7cf1df4ef4e2c4812747cd443e66_JaffaCakes118.dll,#12⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:772
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3220
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5004
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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 --field-trial-handle=4240,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4068 /prefetch:81⤵PID:5428
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6KB
MD56a79ed7192bb52698ce0566d257bb8a9
SHA1f08a840d1453d4cfa68d72c1bcaada6331589ed7
SHA25636b7ef42d762acff310ba86756596035f786d87c4f74b1aa7ee44d3f588ac124
SHA512537e52454c968448e3eff918761291e8986549c3aea437ceedf08f56903e22eec1f4b8973e6cfca14d21fda897f09fcf06d5c66a67599c0ff848c5208fd80042
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82