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Analysis
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max time kernel
148s -
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
24/08/2024, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe
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Size
515KB
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MD5
bed7798d739ac2640c7c4d08490f8d15
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SHA1
d3b64dea545eafec80fda3b8ee2948e649e14451
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SHA256
9688f96942d43fc0ab2807687ac84249b1199e6f1ecbe5cae2a6ae5bb51f1fdd
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SHA512
9b97d2e055dcafb8003f08abaef9af80e389530ecd8a6d715ad06f924eba4f9692c58f5ac9483a402089e007495d727336e79d846f3ecd308075152e45a516ff
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SSDEEP
12288:dWsK+hzTeId6Qu63F3Z4mxxTDqVTVOCxE:4sK+d6Qu63QmX6VTzm
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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 2320 temp.exe 220 temp.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\temp.exe temp.exe File opened for modification C:\Windows\SysWOW64\temp.exe temp.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 4 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 bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language temp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language temp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2320 temp.exe 2320 temp.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2320 temp.exe Token: SeIncBasePriorityPrivilege 2320 temp.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4616 wrote to memory of 2320 4616 bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe 84 PID 4616 wrote to memory of 2320 4616 bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe 84 PID 4616 wrote to memory of 2320 4616 bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe 84 PID 2320 wrote to memory of 3428 2320 temp.exe 56 PID 2320 wrote to memory of 3428 2320 temp.exe 56 PID 2320 wrote to memory of 3812 2320 temp.exe 86 PID 2320 wrote to memory of 3812 2320 temp.exe 86 PID 2320 wrote to memory of 3812 2320 temp.exe 86
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3428
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C:\Users\Admin\AppData\Local\Temp\bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bed7798d739ac2640c7c4d08490f8d15_JaffaCakes118.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Users\Admin\AppData\Local\Temp\temp.exe"C:\Users\Admin\AppData\Local\Temp\temp.exe"3⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\temp.exe > nul4⤵
- System Location Discovery: System Language Discovery
PID:3812
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C:\Windows\SysWOW64\temp.exeC:\Windows\SysWOW64\temp.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:220
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD54c8dc34481b002e47819eb8349a9023c
SHA18e8685acd2714823251a2b430fab4ba04d73cac5
SHA256b20a98dacb524998c38cc44d2f2e2889e978d967042f22b93a18ed35e602c6a4
SHA512cee5dd77fd427134ddda21c67a7f808f8733e0a2374e549d755aa4859ae6877f93b7d0a57234d7cf3151d8c89a0f4e84349c609b00a881e09b2457fd0fc4ead1