e894184733d69b74dfee1cfbd65e3f67409f619c14021df459270e1c2ca1f46a | Triage

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 13:04

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b9f430f71c7144d8ff4ab94be2785aa6
SHA1

c5c1e153caff7ad1d221a9acc8bbb831f05ccb05
SHA256

b496e81a74ce871236abcd096fb9a6b210b456bebaa7464fa844b3241e51a655
SHA512

c7ce431b6a1493fd7d1fe1b1c823ad22b582c43c8eb2fb6a471c648dd9df9953277c89932c66afd598d43ea36f4a8602e84cd175115266943071cbc8ce204099
SSDEEP

192:hClej3uzvJwqJMQKN4GbeWZksMI4ETWcEbcBZ8ep2Kra7yOG:hCm2HgN4GbeWmbI4Eybogia7yO

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1432	1604	WerFault.exe	91

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1604	628	rundll32.exe	91
PID 628 wrote to memory of 1604	628	rundll32.exe	91
PID 628 wrote to memory of 1604	628	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:1604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 612
    3⤵
    - Program crash
    PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1604 -ip 1604
1⤵
PID:3192

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=4440 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:3980

Network

MITRE ATT&CK Matrix

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