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Analysis
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max time kernel
92s -
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
21/01/2025, 17:20
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_06400ae47fed1374f83aec7625342932.dll
Resource
win7-20240903-en
General
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Target
JaffaCakes118_06400ae47fed1374f83aec7625342932.dll
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Size
314KB
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MD5
06400ae47fed1374f83aec7625342932
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SHA1
2e9dd83df81b9c785b6bfaace192565f06912f65
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SHA256
8fe7d762a1af83eab4b192468450b56c6b3841eeb2152e0c8aeac5b844679c53
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SHA512
732425734bcdf5f0e350adeb1fe5e9e2f510a50e8dd91ea36a0bc1a4179c8b5a674551ff9662f6dd8a18564625df55880b66505bf39080344a934e2f1ac2316b
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SSDEEP
6144:FMJOWK4l0wqOVq1Kwfxibt8T2t9Mv/mWGLRsV2:F2OWK4llHwfYyTGMv/m1GV2
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 2624 rundll32mgr.exe -
Loads dropped DLL 1 IoCs
pid Process 2624 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/2624-9-0x0000000000400000-0x0000000000468000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3452 2624 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 rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5072 wrote to memory of 652 5072 rundll32.exe 83 PID 5072 wrote to memory of 652 5072 rundll32.exe 83 PID 5072 wrote to memory of 652 5072 rundll32.exe 83 PID 652 wrote to memory of 2624 652 rundll32.exe 84 PID 652 wrote to memory of 2624 652 rundll32.exe 84 PID 652 wrote to memory of 2624 652 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06400ae47fed1374f83aec7625342932.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06400ae47fed1374f83aec7625342932.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 101804⤵
- Program crash
PID:3452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2624 -ip 26241⤵PID:64
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
163KB
MD5c8b1f715192e0e340d54b8fac428eb44
SHA17a77163f8d073ecd2b98cc832d2e70719850beb1
SHA25660767adaadd87b2220096918365c352c24092807d4e5d42bffadaceeb6136923
SHA5129438c4c284b1a125a64bf5953365a6e0b46dd59649d01447861cfdfebd65989a523bc31654101ff8a2d53ed4f2dbf90c79468f2141bacf738a8ed0c7a92da11f