Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-04-2024 11:40
Static task
static1
Behavioral task
behavioral1
Sample
b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe
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Size
88KB
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MD5
b7620b6adf5f0bd58d84f7cde0e3dcfb
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SHA1
a20820d463caece8930917c193d2c344049740d3
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SHA256
8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe
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SHA512
f40511b157528f234cea14bea4b9357ec913ebde8fe2245c6a6e646433d1cc5581d3f5178f3c3b2c569dcf38d0a1a415dbd7abfe3d60f033ea74ebba25dc12e9
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SSDEEP
1536:v5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:v5fvp12UFKcD/6jwqWsN
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
winver.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8867A096 = "C:\\Users\\Admin\\AppData\\Roaming\\8867A096\\bin.exe" winver.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 952 2512 WerFault.exe winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
winver.exepid process 2512 winver.exe 2512 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3444 Explorer.EXE Token: SeCreatePagefilePrivilege 3444 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
winver.exepid process 2512 winver.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3444 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exewinver.exedescription pid process target process PID 320 wrote to memory of 2512 320 b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe winver.exe PID 320 wrote to memory of 2512 320 b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe winver.exe PID 320 wrote to memory of 2512 320 b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe winver.exe PID 320 wrote to memory of 2512 320 b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe winver.exe PID 2512 wrote to memory of 3444 2512 winver.exe Explorer.EXE PID 2512 wrote to memory of 2532 2512 winver.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2532
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3444 -
C:\Users\Admin\AppData\Local\Temp\b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b7620b6adf5f0bd58d84f7cde0e3dcfb_JaffaCakes118.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 3524⤵
- Program crash
PID:952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2512 -ip 25121⤵PID:1540