Analysis
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max time kernel
148s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
27-07-2024 04:48
Static task
static1
Behavioral task
behavioral1
Sample
771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe
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Size
1.2MB
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MD5
771b8e6d5c61711d62f8ea4d693a76d0
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SHA1
b0fcd7815426fdefab32e8fb9a9597b563e3c1f5
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SHA256
1c95226e592be7f097f657f71e659a55638bfc61cc77a5fc76dd4c55b050b7eb
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SHA512
2cfd146e23cf80a3d9973a3d01f44b53e8c0bcb9473fee694103443e468e0556156a723c522202cfef279f5199b9f3276b55b75f228f5120b2172abff60da775
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SSDEEP
12288:4r8uWVM9sCmev9C3BoADl+lbuk492hx5L4v9pynd/BYBJ3Zi:48uWmsRHxvDlZ9v9Ti
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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1572 uohgjbnbfdsvb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinDefender = "C:\\Windows\\Wincft.exe" uohgjbnbfdsvb.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files\Agraszka\Zitteralnd\kiyugfhgfhfgh.hfh 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe File created C:\Program Files\Agraszka\Zitteralnd\kiyugfhgfhfgh.hfh 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe File created C:\Program Files\Agraszka\Zitteralnd\uohgjbnbfdsvb.exe 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Wincft.exe uohgjbnbfdsvb.exe File opened for modification C:\Windows\Wincft.exe uohgjbnbfdsvb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uohgjbnbfdsvb.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1152 wrote to memory of 1572 1152 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe 92 PID 1152 wrote to memory of 1572 1152 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe 92 PID 1152 wrote to memory of 1572 1152 771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\771b8e6d5c61711d62f8ea4d693a76d0_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Program Files\Agraszka\Zitteralnd\uohgjbnbfdsvb.exe"C:\Program Files\Agraszka\Zitteralnd\uohgjbnbfdsvb.exe" NULL2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
568KB
MD5d5f19359fa3312fef91d8632486446c5
SHA1aa22334d73de83068bf2d4e50401111323b6c2bf
SHA256c73940f2a86186b12b7f0d3806fa1be494d4d4bfe051c5a8a3e1d9e41cfe9ad5
SHA51207f3ba364b0fc0696d79b5d806563733cc9d8d8dcc1fde27d278a185a282057636602037d7e89d9662c80226e9872199f588d054bef7f8a54c87e02977cd5fee
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Filesize
572KB
MD5fb4c89b568b8e4ae2824e9cca9ca67b9
SHA1125d778b91d74f3e84f23c2a387d7d9668bce3f5
SHA256017daef70efa90e1f6d91486487ced2aaa22f814cbc165f336e3b27738db5f22
SHA512c77905cb293a6cc181f1f0bc22ed5aef4f929d60c6fe0a031f1ed3503ebc7577d2ada7da97d8528ddd41af177de5abff4c7228f19cb7143021c2290d7e815b9c