dde200baa4efabc5a9d3b6444f9642e5bcde60cc6522f8eb90e38a40935e4291 | Triage

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
27-04-2022 08:48

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General

Target

mem.dll
Size

538KB
MD5

131d3e08fb453e111c2fb34df00d6821
SHA1

320b5b3147a6dfe431d1f7ba1a4333a5e297afb7
SHA256

dde200baa4efabc5a9d3b6444f9642e5bcde60cc6522f8eb90e38a40935e4291
SHA512

c434606c97444df80c0ac4c996f61395fa62dbcd4283253e3d2d544b6f07a3e299c68e746c6f4ea200c398642e5ea7b302caf05c651726f8109c25d33c437bb6

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1864 set thread context of 2344 1864 rundll32.exe WerFault.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

1864 rundll32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4948 wrote to memory of 1864	4948	rundll32.exe	rundll32.exe
PID 4948 wrote to memory of 1864	4948	rundll32.exe	rundll32.exe
PID 4948 wrote to memory of 1864	4948	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 2344	1864	rundll32.exe	WerFault.exe
PID 1864 wrote to memory of 2344	1864	rundll32.exe	WerFault.exe
PID 1864 wrote to memory of 2344	1864	rundll32.exe	WerFault.exe
PID 1864 wrote to memory of 2344	1864	rundll32.exe	WerFault.exe
PID 1864 wrote to memory of 2344	1864	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mem.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4948

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mem.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe
3⤵
PID:2344

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:4548

Network

MITRE ATT&CK Matrix

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Downloads

memory/1864-130-0x0000000000000000-mapping.dmp

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memory/2344-131-0x0000000000000000-mapping.dmp

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