Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 09:17
Static task
static1
Behavioral task
behavioral1
Sample
4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe
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Size
3.2MB
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MD5
4f50ecd24003b82a00531cd4e1243bac
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SHA1
381138e9c8a13880c7d5391c83d92db0c1c41b83
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SHA256
a7b68d47a8716b9ff7776ec230bec250c84fda4f32e552be334b79f0ee868823
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SHA512
e0b09837e343e99718b037cc332e830533420db12a5cd714043095bbc90de59dd7aca55deef706316f0b521b6d2b1566d23df61778c5c81a3b29eb04965e0e4c
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SSDEEP
98304:RtrbTA1Kisga2X9dBShiCi3zY82zFUGAgz2XNb8n:Dc1KttUdv2zFlAgz2X1y
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\apex company = "C:\\Users\\Admin\\AppData\\Roaming\\company\\product.exe" MSBuild.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini MSBuild.exe File opened for modification C:\Windows\assembly\Desktop.ini MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 232 set thread context of 4088 232 4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe 98 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly MSBuild.exe File created C:\Windows\assembly\Desktop.ini MSBuild.exe File opened for modification C:\Windows\assembly\Desktop.ini MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4088 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4088 MSBuild.exe Token: 33 4088 MSBuild.exe Token: SeIncBasePriorityPrivilege 4088 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4088 MSBuild.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 232 wrote to memory of 4088 232 4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe 98 PID 232 wrote to memory of 4088 232 4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe 98 PID 232 wrote to memory of 4088 232 4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe 98 PID 232 wrote to memory of 4088 232 4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe 98 PID 232 wrote to memory of 4088 232 4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4f50ecd24003b82a00531cd4e1243bac_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"2⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4088
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:2328