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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 22:17
Behavioral task
behavioral1
Sample
151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe
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Size
193KB
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MD5
151c08a7ed9361ba182b5d339b789b6e
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SHA1
f468daa950583b7741019179679aa422f1a758a3
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SHA256
985921648728599a08d3a88ad0fff72c89b8056421aa8088199a1b854a71863a
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SHA512
585209ebd9b5267f485b7d14d9083c8aa36d90b62c7fdc06b0e5db99cebe464011e54a87192e90b64acc6cea85e43dbdb0669f71aaa90db8bc7ab854743c878a
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SSDEEP
3072:3BoVZJ+5RlPM3rdS0v9QFJtbP1QGNJH7H8+yvX/q0ANX1W1GzIP:R2KM7dlv9Qx73H78pvvjSk0I
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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3076 ins9088.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini ins9088.exe File opened for modification C:\Windows\assembly\Desktop.ini ins9088.exe -
resource yara_rule behavioral2/memory/1728-0-0x0000000000610000-0x000000000068B000-memory.dmp upx behavioral2/memory/1728-21-0x0000000000610000-0x000000000068B000-memory.dmp upx behavioral2/memory/1728-26-0x0000000000610000-0x000000000068B000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini ins9088.exe File opened for modification C:\Windows\assembly ins9088.exe File created C:\Windows\assembly\Desktop.ini ins9088.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 151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ins9088.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3076 ins9088.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3076 ins9088.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3076 ins9088.exe 3076 ins9088.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1728 wrote to memory of 3076 1728 151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe 82 PID 1728 wrote to memory of 3076 1728 151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe 82 PID 1728 wrote to memory of 3076 1728 151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\151c08a7ed9361ba182b5d339b789b6e_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Users\Admin\AppData\Local\Temp\ins9088\ins9088.exe"C:\Users\Admin\AppData\Local\Temp\ins9088\ins9088.exe" /e5348748 /u50d19690-97d8-405e-bebb-08625bc06f2f2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3076
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
253KB
MD5990774201cab9f23e9b2a4dbfd7b322d
SHA1a77b83a8a3b9efcc38e8b3d1c42e681c1450470c
SHA25668da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae
SHA5121d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5