c8826f4b4758e52c22c3fd5fc516c7421ac533feab1fd2566402e97edef2b782 | Triage

Analysis

max time kernel
125s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
12-04-2022 15:09

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General

Target

1668-57-0x0000000002360000-0x00000000023EF000-memory.dll
Size

572KB
MD5

ec281791c2a32f0412ffe1f97014efd3
SHA1

f3120dad84c2ddc7cc8e65e7cd1db01ca9c14d09
SHA256

c8826f4b4758e52c22c3fd5fc516c7421ac533feab1fd2566402e97edef2b782
SHA512

a6c0688e20eb0e8a7f54b139fe5c3b73192a6089e70b0ab86d9327218f95c4213dfb9bac74867c0535099d8f5c0d21ac07f9f09e0d616fe69263fdbdda77ab3b

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1280 2112 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2516 wrote to memory of 3404	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 3404	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 3404	2516	rundll32.exe	rundll32.exe
PID 3404 wrote to memory of 456	3404	rundll32.exe	rundll32.exe
PID 3404 wrote to memory of 456	3404	rundll32.exe	rundll32.exe
PID 3404 wrote to memory of 456	3404	rundll32.exe	rundll32.exe
PID 456 wrote to memory of 2112	456	rundll32.exe	rundll32.exe
PID 456 wrote to memory of 2112	456	rundll32.exe	rundll32.exe
PID 456 wrote to memory of 2112	456	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1668-57-0x0000000002360000-0x00000000023EF000-memory.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2516

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1668-57-0x0000000002360000-0x00000000023EF000-memory.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3404

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1668-57-0x0000000002360000-0x00000000023EF000-memory.dll,#1
3⤵
- Suspicious use of WriteProcessMemory
PID:456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1668-57-0x0000000002360000-0x00000000023EF000-memory.dll,#1
4⤵
PID:2112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 560
5⤵
- Program crash
PID:1280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2112 -ip 2112
1⤵
PID:4284

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/456-125-0x0000000000000000-mapping.dmp

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memory/2112-126-0x0000000000000000-mapping.dmp

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memory/3404-124-0x0000000000000000-mapping.dmp

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