7eb8647ef59682e127eb5b698cb2d496a6c87790c88a69ab5bdf7f682ee7d171 | Triage

Analysis

max time kernel
139s
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
09-05-2024 12:17

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General

Target

$PLUGINSDIR/StartMenu.dll
Size

12KB
MD5

d5d2c8404b5f616c2a39cf023c0f63f0
SHA1

4f591c857724898429e215c25005ff38c7837776
SHA256

e8832ca91b2f909a34fb2d41d9c3c7928c055057c79277eaf5fb0725bcbddaac
SHA512

de54487f75212be426d12c342b2a5657d08379f2746549b54d3832e8f9ad0bab63b4c8dc91596fc39f313938afc9c1e5b0f0bb735d08c29cb1f41667f99603eb
SSDEEP

192:8DSmSTusK05zGwXwhJdlX3unYkvQhT38Fb98QJ/a:aqr5zG2wTdhunYkvA38Fb/J/

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4848 4960 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4416 wrote to memory of 4960	4416	rundll32.exe	rundll32.exe
PID 4416 wrote to memory of 4960	4416	rundll32.exe	rundll32.exe
PID 4416 wrote to memory of 4960	4416	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4416

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
2⤵
PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 612
3⤵
- Program crash
PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4960 -ip 4960
1⤵
PID:4700

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=4036 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:2732

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4960-0-0x00000000753B0000-0x00000000753BC000-memory.dmp

Filesize
48KB

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