25512356b45d1f25c9f5e1ebfd53005773f95a6354c12aa9e8801f764daf215f | Triage

Analysis

max time kernel
234s
max time network
266s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 16:10

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General

Target

SmartClient/AVApis.dll
Size

88KB
MD5

99ecd1c9fa16f3f8d8f5716e7df79d6e
SHA1

4cec30c77982a0079406281b137da8244242fa4d
SHA256

cacba528cb5623f3a00cec8af23ac0cb5b158aee27c2356e9e1f6d541568169f
SHA512

0854842c982b09501e18966565c94cc99d1e7db8dbf16fcb7e79337fff2b0d5252c22de1e690e44ef3f9ebc15d20375d1854e0aefab735bf9d0fcdb2ebe1447e
SSDEEP

1536:thjJGbRe+6SeljSJo7X32k32JPnRJ4Gtrg:TjJGtJ2A402Gtr

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4296 4820 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3528 wrote to memory of 4820	3528	rundll32.exe	rundll32.exe
PID 3528 wrote to memory of 4820	3528	rundll32.exe	rundll32.exe
PID 3528 wrote to memory of 4820	3528	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SmartClient\AVApis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3528

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SmartClient\AVApis.dll,#1
2⤵
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 640
3⤵
- Program crash
PID:4296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4820 -ip 4820
1⤵
PID:3024

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 --field-trial-handle=1308,i,6522675234395427298,2952738987384583032,262144 --variations-seed-version --mojo-platform-channel-handle=4432 /prefetch:8
1⤵
PID:4056

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4820-1-0x0000000000CE0000-0x0000000000D0A000-memory.dmp

Filesize
168KB

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