b165990a4acb1458b71b5d3ce1e847de0bfed53302a1aaece0b832f7607ca4dc | Triage

Analysis

max time kernel
40s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
01-07-2022 06:09

Sharing

Report Analysis Logs

General

Target

b165990a4acb1458b71b5d3ce1e847de0bfed53302a1aaece0b832f7607ca4dc.dll
Size

204KB
MD5

755b6a278eefefc4371000405681d12e
SHA1

89a0e734657a790412e3dd6905afe44fd1b4d72a
SHA256

b165990a4acb1458b71b5d3ce1e847de0bfed53302a1aaece0b832f7607ca4dc
SHA512

676cdaa8644c5108e2210d66803012c0ba04a82e9d0f66a23af9e65ab7d8639204a182e7f58366c6058ce1fe26b0e4c921d940240e678b8b27359e3fbea46a6f

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

296 2016 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1668 wrote to memory of 2016	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2016	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2016	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2016	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2016	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2016	1668	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2016	1668	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 296	2016	rundll32.exe	WerFault.exe
PID 2016 wrote to memory of 296	2016	rundll32.exe	WerFault.exe
PID 2016 wrote to memory of 296	2016	rundll32.exe	WerFault.exe
PID 2016 wrote to memory of 296	2016	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b165990a4acb1458b71b5d3ce1e847de0bfed53302a1aaece0b832f7607ca4dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b165990a4acb1458b71b5d3ce1e847de0bfed53302a1aaece0b832f7607ca4dc.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 232
3⤵
- Program crash
PID:296

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/296-56-0x0000000000000000-mapping.dmp

Download
memory/2016-54-0x0000000000000000-mapping.dmp

Download
memory/2016-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download