Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2025 22:25
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_610267c030485123ae08269ff7177520.dll
Resource
win7-20240903-en
General
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Target
JaffaCakes118_610267c030485123ae08269ff7177520.dll
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Size
312KB
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MD5
610267c030485123ae08269ff7177520
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SHA1
034fad9125a4a8ae24e80877bc2a52b7ac5521ba
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SHA256
7e64c10736070aee732ab70806a3dab56a1b7dbf47c787b6b4b6758a18581059
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SHA512
49954f97d69e78279ab10e38378914064110ce7483077e5219bd29b544641db49bc5b71a1a3001bef6b498390c8b1ec3aabb1698bdddb293a58d3d2e633bd637
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SSDEEP
6144:pN755D+dC8SvqQpaxQOBJJ+wGnrtrYHyVDK+ow:nl8qAJ+dnxrYSVUw
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 1068 rundll32mgr.exe -
Loads dropped DLL 1 IoCs
pid Process 1068 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/1068-14-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral2/memory/1068-16-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral2/memory/1068-10-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral2/memory/1068-13-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral2/memory/1068-9-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral2/memory/1068-8-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral2/memory/1068-7-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral2/memory/1068-23-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1664 1068 WerFault.exe 83 -
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 UnmapMainImage 1 IoCs
pid Process 1068 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4876 wrote to memory of 2184 4876 rundll32.exe 82 PID 4876 wrote to memory of 2184 4876 rundll32.exe 82 PID 4876 wrote to memory of 2184 4876 rundll32.exe 82 PID 2184 wrote to memory of 1068 2184 rundll32.exe 83 PID 2184 wrote to memory of 1068 2184 rundll32.exe 83 PID 2184 wrote to memory of 1068 2184 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610267c030485123ae08269ff7177520.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610267c030485123ae08269ff7177520.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:1068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 3604⤵
- Program crash
PID:1664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1068 -ip 10681⤵PID:3688
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
84KB
MD5a6ee7aab6b8f8268bf9eb763949d5c8b
SHA14600e17eb8fa4a11170aaa2c54d98126e58290e0
SHA2569030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c
SHA51200569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8