21ccafbb923457cdeebdfe757e34e8f27e93d7360fc2b0d2d3c75c85e6c133b9 | Triage

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 06:05

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General

Target

$PLUGINSDIR/nsExec.dll
Size

9KB
MD5

dad21928213e804133c6eed2b5402dbc
SHA1

82fa0fe67dc55e22e2289800b2fca34bf59762d6
SHA256

5f80c7ba031f546b69bd57071bdb5334760cde5afc43fe8271b9e6a3204ef390
SHA512

8e8428f1bd5a81a447f8b892215d09d5695b1fcc9eb5bf0d9771a6989750feaa5957966fb444a24d78cf51ebb783d615348337e44b884c2e5d5f63d80551c9f3
SSDEEP

192:lkhF3tTTxsMRRuWDxvsiwDc4veSQ4b95Q4huV+:lqFh9LRR7Z/oPX5QIuV+

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
536	4144	WerFault.exe	94

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4144	4864	rundll32.exe	94
PID 4864 wrote to memory of 4144	4864	rundll32.exe	94
PID 4864 wrote to memory of 4144	4864	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  PID:4144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 612
    3⤵
    - Program crash
    PID:536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4144 -ip 4144
1⤵
PID:4684

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=4056 --field-trial-handle=3084,i,11997299123381683778,5904351605020331957,262144 --variations-seed-version /prefetch:8
1⤵
PID:2492

Network

MITRE ATT&CK Matrix

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Downloads

memory/4144-0-0x000000006E940000-0x000000006E948000-memory.dmp

Filesize
32KB

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