7bdbc9c96d08ae37f7ec2845584727ee301a7a26d1bc03b015b52d5804caffbb | Triage

Analysis

max time kernel
149s
max time network
161s
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 20:41

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General

Target

7za.dll
Size

784KB
MD5

675df218585cc989da3655a8c40f8f43
SHA1

adfe145af9129f52164d32b1c055832b9f9a0313
SHA256

c797237dc1afe4a72fe44cead190d0f93d24c9444b0df135581fa11934dbb85e
SHA512

2f7b20000950ac67082ac046887932dc19bfb615ac58739fb426a7beaa402b7bf0fd0f81ac9da4b7fb824bd769627826a6ce479ed737a57aba07d009b22021a7
SSDEEP

24576:sITUed6re8xVQW5eZqfpMAHBEMiqqqYv0:pTge8wWqqfHRqqY8

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2224 5300 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4112 wrote to memory of 5300	4112	rundll32.exe	rundll32.exe
PID 4112 wrote to memory of 5300	4112	rundll32.exe	rundll32.exe
PID 4112 wrote to memory of 5300	4112	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7za.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4112

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7za.dll,#1
2⤵
PID:5300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5300 -s 600
3⤵
- Program crash
PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5300 -ip 5300
1⤵
PID:3556

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=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:628

Network

MITRE ATT&CK Matrix

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