24a8326bc5ad59a1c563d7daa70abca3480664cc8e40f240c1c9010d822dda56 | Triage

Analysis

max time kernel
112s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 02:25

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General

Target

$PLUGINSDIR/rzvqilk.dll
Size

158KB
MD5

b7de66fb6de771bd04f51454ce1232c3
SHA1

8773323ffd3bd32d0065dc3f92f6d076ad769b10
SHA256

82377f5992f79b420e851a47a5cd0c4491d3346f9472615b3f4b7ccd5404397d
SHA512

b005b5c471b796b2c964e9c7f8c3df7326f26a6310309f9b8cf29e6f0d379276360d59a6b333969c9a468dd47ddf8ef9a01a45fb8c6d2f0961d511d6013a9428
SSDEEP

3072:D0Z9baRcGg3LhzhuuP0/Uu+ZWbYS8Dgxl7d:D0zz3h0/17aU7

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4220	228	WerFault.exe	94

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 228	3636	rundll32.exe	94
PID 3636 wrote to memory of 228	3636	rundll32.exe	94
PID 3636 wrote to memory of 228	3636	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\rzvqilk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\rzvqilk.dll,#1
  2⤵
  PID:228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 608
    3⤵
    - Program crash
    PID:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 228 -ip 228
1⤵
PID:2588

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=2136 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8
1⤵
PID:1708

Network

MITRE ATT&CK Matrix

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