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Analysis
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max time kernel
133s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25/07/2024, 20:33
Static task
static1
Behavioral task
behavioral1
Sample
712215f3b9c6dbb8295d20af710c7140_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
712215f3b9c6dbb8295d20af710c7140_JaffaCakes118.dll
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Size
164KB
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MD5
712215f3b9c6dbb8295d20af710c7140
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SHA1
b2ce1ef5c126a2ba55c9dd46e54c186b0ab27cc7
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SHA256
0bc5a0110c968022bb4f40ba54cdf9d573599b5fe6c33d1ba3a2f43a3bf385d1
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SHA512
d8de7a13f86ea89d5292f5d110cf3c974770a06729718efaa8a53841e8ba58e002fa4e49bc156a7dcf5802b1295205579292dc07b489ec4bf144ad04ac688245
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SSDEEP
3072:5ghRo0R4HXCqwrpf2iHQz7Lc0npnjwTBwlvNS0nhGaYiExOAKyL:58N4kQPLxjwuuPx9L
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2648 rundll32mgr.exe -
Loads dropped DLL 1 IoCs
pid Process 2648 rundll32mgr.exe -
resource yara_rule behavioral2/memory/2648-5-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4600 2648 WerFault.exe 86 -
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 2912 wrote to memory of 864 2912 rundll32.exe 85 PID 2912 wrote to memory of 864 2912 rundll32.exe 85 PID 2912 wrote to memory of 864 2912 rundll32.exe 85 PID 864 wrote to memory of 2648 864 rundll32.exe 86 PID 864 wrote to memory of 2648 864 rundll32.exe 86 PID 864 wrote to memory of 2648 864 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\712215f3b9c6dbb8295d20af710c7140_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\712215f3b9c6dbb8295d20af710c7140_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2648 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 5164⤵
- Program crash
PID:4600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2648 -ip 26481⤵PID:1748
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
106KB
MD57657fcb7d772448a6d8504e4b20168b8
SHA184c7201f7e59cb416280fd69a2e7f2e349ec8242
SHA25654bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71
SHA512786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2