14a3894cd6a6e321d3a07c5b7a2bd22cad174f55feef3b6b6e2279fc5ea66ee8 | Triage

Analysis

max time kernel
15s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 18:48

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General

Target

远程监控/LZMA/Plugins/System.dll
Size

10KB
MD5

0c8ea8e6637bbf8408104e672d78ba45
SHA1

c231c7acaf9abb7da93f28e1b71bed164d57103e
SHA256

509a93177a7ae130bc3b6b5ec3236c7aa0811b8b86f8ab3442c65fdf8ff85b1f
SHA512

ee763a3cdbbba3b28e6a903ac942c7228bd8e54b19de21d6187e481f2916d833d9b9800e5ac2998f4aa26274cdfb20a8bfdd10f00f2a15d37bcc529b617e1f28
SSDEEP

192:+OSsJI/rqmIDNLU0dq51EgAiNbubv68LZ:QHQQ0d01Egbq768

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

276 1608 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1428 wrote to memory of 1608	1428	rundll32.exe	rundll32.exe
PID 1428 wrote to memory of 1608	1428	rundll32.exe	rundll32.exe
PID 1428 wrote to memory of 1608	1428	rundll32.exe	rundll32.exe
PID 1428 wrote to memory of 1608	1428	rundll32.exe	rundll32.exe
PID 1428 wrote to memory of 1608	1428	rundll32.exe	rundll32.exe
PID 1428 wrote to memory of 1608	1428	rundll32.exe	rundll32.exe
PID 1428 wrote to memory of 1608	1428	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 276	1608	rundll32.exe	WerFault.exe
PID 1608 wrote to memory of 276	1608	rundll32.exe	WerFault.exe
PID 1608 wrote to memory of 276	1608	rundll32.exe	WerFault.exe
PID 1608 wrote to memory of 276	1608	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\远程监控\LZMA\Plugins\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1428

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\远程监控\LZMA\Plugins\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 228
3⤵
- Program crash
PID:276

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/276-56-0x0000000000000000-mapping.dmp

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memory/1608-54-0x0000000000000000-mapping.dmp

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memory/1608-55-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

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