Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
09/07/2024, 04:24
Behavioral task
behavioral1
Sample
2efbf207f025a0de049b089adbf5e2d2_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
2efbf207f025a0de049b089adbf5e2d2_JaffaCakes118.dll
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Size
385KB
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MD5
2efbf207f025a0de049b089adbf5e2d2
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SHA1
1f3b12991160197014162727240d1887e1e05b62
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SHA256
27a7e02d58164c57e3073201c08af09bfd81fa4fabd50b8f6020186bc7904e57
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SHA512
0f51ae71591f5868c103b1ecaf86209b263a0c2bd1f0bea039c074d9f61128a9f596cd9a918c3428dd16e77de5d32cd735afcbc46a1b12f59fc847692ba02cf4
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SSDEEP
6144:WVdb5rXZ1KaN1C2T9LRw8nTnp1jQoLCRPGSckIuEvlxNe/tEp2BlutxHBtJaEo7a:k5rHN1C2he+p1pBH/JaEoyeZs
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 320 rundll32mgr.exe -
Loads dropped DLL 1 IoCs
pid Process 320 rundll32mgr.exe -
resource yara_rule behavioral2/memory/3284-1-0x0000000010000000-0x0000000010179000-memory.dmp upx behavioral2/memory/320-7-0x0000000000400000-0x000000000042C1D8-memory.dmp upx behavioral2/memory/320-6-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/3284-11-0x0000000010000000-0x0000000010179000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4696 320 WerFault.exe 83 4628 3284 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4352 wrote to memory of 3284 4352 rundll32.exe 82 PID 4352 wrote to memory of 3284 4352 rundll32.exe 82 PID 4352 wrote to memory of 3284 4352 rundll32.exe 82 PID 3284 wrote to memory of 320 3284 rundll32.exe 83 PID 3284 wrote to memory of 320 3284 rundll32.exe 83 PID 3284 wrote to memory of 320 3284 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2efbf207f025a0de049b089adbf5e2d2_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2efbf207f025a0de049b089adbf5e2d2_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:320 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 101684⤵
- Program crash
PID:4696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 6803⤵
- Program crash
PID:4628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3284 -ip 32841⤵PID:4820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 320 -ip 3201⤵PID:2804
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
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Filesize
97KB
MD5ef5dc2521333fb418bd5518f1db3fd08
SHA13d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70
SHA25675bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe
SHA5128768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882