Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2024, 22:10
Static task
static1
Behavioral task
behavioral1
Sample
977cfc53613bf7a79ef410590aaba59b_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
977cfc53613bf7a79ef410590aaba59b_JaffaCakes118.dll
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Size
173KB
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MD5
977cfc53613bf7a79ef410590aaba59b
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SHA1
a1a01491a6780f241ae2aaf6ea08d605e11ca325
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SHA256
c7499f015b8cfcfae0b8678cf68f3d9a4f699df5088dc6c44a372592bd15e4ec
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SHA512
836cbe1fd121290c50e6d89717e17c0e9fe679ffd1b199538060a4bab18d503979004c07bc05542da97848fe49b9fc93a024ee75b1c97f9725dcb91db9ea4842
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SSDEEP
3072:5K2yBPJEMdQni28D9rzyScu2BjLMTo3m8aFzHDhpPz54tvQ56DGmK0:59yBZYeNzZQMTx8uh9MNGJ0
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 2744 rundll32mgr.exe -
Loads dropped DLL 1 IoCs
pid Process 2744 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral2/memory/2744-6-0x0000000000400000-0x0000000000467000-memory.dmp upx -
Program crash 2 IoCs
pid pid_target Process procid_target 1788 364 WerFault.exe 83 1176 2744 WerFault.exe 84 -
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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3812 wrote to memory of 364 3812 rundll32.exe 83 PID 3812 wrote to memory of 364 3812 rundll32.exe 83 PID 3812 wrote to memory of 364 3812 rundll32.exe 83 PID 364 wrote to memory of 2744 364 rundll32.exe 84 PID 364 wrote to memory of 2744 364 rundll32.exe 84 PID 364 wrote to memory of 2744 364 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\977cfc53613bf7a79ef410590aaba59b_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\977cfc53613bf7a79ef410590aaba59b_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:364 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2744 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 101764⤵
- Program crash
PID:1176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 364 -s 6443⤵
- Program crash
PID:1788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 364 -ip 3641⤵PID:3956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2744 -ip 27441⤵PID:4960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
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Filesize
155KB
MD5790bd10ec580f5db8dbc38e3a0f1869e
SHA1be3fdb0d0f8f09699d21bed073d479250db6cf7c
SHA2565269bd47942c247e785a693f8a027d38157ee8b98eaa292678d2942e95852575
SHA5121ab69e03b14e1198bf02ad65780794e33b3020b621f5d07cf86b3cbe2d63484838d0a8313f5901f95a0e265c07aa03ab8426e45326585c87f8917fdf58942886