Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-12-2024 18:06
Static task
static1
Behavioral task
behavioral1
Sample
f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe
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Size
588KB
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MD5
f006fea7e2d1e39a982b6df9aa7a49c9
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SHA1
bb58ffec4c8160eefaa91daf6c40c120160f3775
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SHA256
77951252d4134733a9eaa496d9f27ab18cbf199ecb15b16b9927a00de21c27b5
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SHA512
08381b31216096c1a94f7fbabcb5bc151f2af6237674c819cdd19901defc400e0dfbaba4935c7a6dea2f0e6fa7b67ad2a2d20be4515ffacdadea6c5fe8dbd2fc
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SSDEEP
6144:GNeEVcF70qyxiSGQ9fd9pwI82QrRdpJ0o:GN5cFRr+KNB0
Malware Config
Signatures
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Nanocore family
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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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 424 System32.exe.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA System32.exe.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 f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language System32.exe.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4436 f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe Token: SeDebugPrivilege 424 System32.exe.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4436 wrote to memory of 424 4436 f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe 83 PID 4436 wrote to memory of 424 4436 f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe 83 PID 4436 wrote to memory of 424 4436 f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f006fea7e2d1e39a982b6df9aa7a49c9_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Users\Admin\AppData\Local\Temp\System32.exe.exe"C:\Users\Admin\AppData\Local\Temp\System32.exe.exe"2⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:424
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
588KB
MD5f006fea7e2d1e39a982b6df9aa7a49c9
SHA1bb58ffec4c8160eefaa91daf6c40c120160f3775
SHA25677951252d4134733a9eaa496d9f27ab18cbf199ecb15b16b9927a00de21c27b5
SHA51208381b31216096c1a94f7fbabcb5bc151f2af6237674c819cdd19901defc400e0dfbaba4935c7a6dea2f0e6fa7b67ad2a2d20be4515ffacdadea6c5fe8dbd2fc