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Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2024, 10:41
Static task
static1
Behavioral task
behavioral1
Sample
39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe
Resource
win7-20241010-en
General
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Target
39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe
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Size
62KB
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MD5
39936d1fe40b5fa4134438e5c890ef05
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SHA1
70cebef1fb03b6a03578c3c906673e1348411401
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SHA256
db74fe0a6dc70ce17e14bdb61eac0ef49f56877e93efdf785d31474181ba0f45
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SHA512
a1fefb97fb7a2340627cda06cf795b5b8a2b5b96d7ffaa96ab8be641d20ba9b61adfeb5cb033e5a44953df214561f7d29f92465bfd98adb55801ebf26f8292d9
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SSDEEP
1536:GGPegsVpDKNSf+owoS9Po8TwYwMPtd/BqDIkp:xdCpKM+oGBbw6td/BWv
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/224-1-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/224-3-0x0000000000400000-0x0000000000421000-memory.dmp upx -
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 39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 224 39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe 224 39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 224 wrote to memory of 3904 224 39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe 86 PID 224 wrote to memory of 3904 224 39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe 86 PID 224 wrote to memory of 3904 224 39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\39936d1fe40b5fa4134438e5c890ef05_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Nkb..bat" > nul 2> nul2⤵
- System Location Discovery: System Language Discovery
PID:3904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
238B
MD5b22dc1dd5ac298a8d82b0f177fc06541
SHA11130bbd0a7a04b6d764ce35cc9576f20d4a9841f
SHA256e95105121358952967cb5167504fa3237ccc8218731901b064b89eccb0e06163
SHA512386940312d19f14dbac2771d3c08be57160a8ce20edcf4315a36dac46da5b9f5ffd5c528c906f5158f9453f2d1871262465a23e486f4de3b814e2c7ad971dbd6