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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
11/07/2024, 20:51
Static task
static1
Behavioral task
behavioral1
Sample
3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe
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Size
32KB
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MD5
3aab976b2055eb6406aecfcb138e2553
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SHA1
36bda765afbb0fea19d1abb909ef803d9c3c8e0a
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SHA256
08a0b8d5367b7042a8a65e45a5b01b6e316c74f9595391e5832b1b4c494e36b8
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SHA512
23bd4d01d489c813fef25183d0da46b424dfa8cc594cc0cb09fe034505a90405c862118ca158021bfcab10f272ea1181d4a5fcd27a345f4f30e18d433ee04fd9
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SSDEEP
384:3Hz28dVcet5Svtk/UU5JJO7nyjGWGvOIfZ/AL23hgqwDvWi:3HSe3DSvtksGPAnySBOkR623ADO
Malware Config
Signatures
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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-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation 3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2132 winlogon.exe -
resource yara_rule behavioral2/memory/3372-37-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3372-39-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3372-40-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3372-43-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3372-44-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Logon Applicationedc = "C:\\Users\\Admin\\winlogon.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2132 set thread context of 3372 2132 winlogon.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1688 3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe 2132 winlogon.exe 3372 svchost.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1688 wrote to memory of 2132 1688 3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe 86 PID 1688 wrote to memory of 2132 1688 3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe 86 PID 1688 wrote to memory of 2132 1688 3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe 86 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87 PID 2132 wrote to memory of 3372 2132 winlogon.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3aab976b2055eb6406aecfcb138e2553_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\winlogon.exe"C:\Users\Admin\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:3372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32KB
MD53aab976b2055eb6406aecfcb138e2553
SHA136bda765afbb0fea19d1abb909ef803d9c3c8e0a
SHA25608a0b8d5367b7042a8a65e45a5b01b6e316c74f9595391e5832b1b4c494e36b8
SHA51223bd4d01d489c813fef25183d0da46b424dfa8cc594cc0cb09fe034505a90405c862118ca158021bfcab10f272ea1181d4a5fcd27a345f4f30e18d433ee04fd9