fe5b2a5f747972940bf4d6eb489c11f3c739bb443168c28b277c0130cc737d35 | Triage

Analysis

max time kernel
139s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 01:54

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General

Target

$PLUGINSDIR/System.dll
Size

23KB
MD5

8643641707ff1e4a3e1dfda207b2db72
SHA1

f6d766caa9cafa533a04dd00e34741d276325e13
SHA256

d1b94797529c414b9d058c17dbd10c989eef59b1fa14eea7f61790d7cfa7fd25
SHA512

cc8e07395419027914a6d4b3842ac7d4f14e3ec8be319bfe5c81f70bcf757f8c35f0aaeb985c240b6ecc71fc3e71b9f697ccda6e71f84ac4930adf5eac801181
SSDEEP

384:TsuiXfwnOEFMUgKWSeMPe3+6a+A6PcPpntKfh00g509nj:efwnLFMUGMPenA6Yuh9Xj

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	2888	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2888	1368	rundll32.exe	88
PID 1368 wrote to memory of 2888	1368	rundll32.exe	88
PID 1368 wrote to memory of 2888	1368	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:2888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 612
    3⤵
    - Program crash
    PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2888 -ip 2888
1⤵
PID:3980

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:2716

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2888-0-0x000000006E5C0000-0x000000006E5CD000-memory.dmp

Filesize
52KB

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