9f5ccf01f1c019da473e81593536aed6ed7cd44e3ce78ce845accebe5ee6dcf9 | Triage

Analysis

max time kernel
139s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 22:53

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General

Target

Modules/7z.dll
Size

893KB
MD5

04ad4b80880b32c94be8d0886482c774
SHA1

344faf61c3eb76f4a2fb6452e83ed16c9cce73e0
SHA256

a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338
SHA512

3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb
SSDEEP

24576:TW+wsDaQw6DDz3qRyPnmGfrnvVUKueY8RmneWtJ:TasY6DwOBfrnvV7UeWt

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1856 3940 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3040 wrote to memory of 3940	3040	rundll32.exe	rundll32.exe
PID 3040 wrote to memory of 3940	3040	rundll32.exe	rundll32.exe
PID 3040 wrote to memory of 3940	3040	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\7z.dll,#1
2⤵
PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 540
3⤵
- Program crash
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3940 -ip 3940
1⤵
PID:4540

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=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:3732

Network

MITRE ATT&CK Matrix

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