b19a2cefa3b2211800b2ab005eccef2f562bd230617c84a3b2918d481498d144

Analysis

max time kernel
143s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 04:30

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General

Target
Uninstall.exe
Size 49KB
Sample240415-e49z8ahb2t
SHA256 e772d43b9234348ff9a7196132e6f74b2a498ca5f100c83fef93b93cd1486168
MD5 1cac4f418a1ead960777eadc0df13125
SHA1 ab3998d34b898e5a1aa4c6259084458849fb0425
SHA512 650f1ec80b5ab7b8cded3415ea9356ca05f7d77fb096a4a1877a935a280a06c50f3efd950b914bc0eea865fd75c66092566a6db735e59b94ac36588e8060bae9
SSDEEP 1536:DRf1o2Ca7qiagSshdS0D6mJjgdLeAyNLo:Dpj7EUbD6mJjceAJ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2492	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral24/files/0x000800000002324f-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 2492	4780	Uninstall.exe	90
PID 4780 wrote to memory of 2492	4780	Uninstall.exe	90
PID 4780 wrote to memory of 2492	4780	Uninstall.exe	90

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  PID:2492

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=4192 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:2284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 49KB
SHA256 e772d43b9234348ff9a7196132e6f74b2a498ca5f100c83fef93b93cd1486168
MD5 1cac4f418a1ead960777eadc0df13125
SHA1 ab3998d34b898e5a1aa4c6259084458849fb0425
SHA512 650f1ec80b5ab7b8cded3415ea9356ca05f7d77fb096a4a1877a935a280a06c50f3efd950b914bc0eea865fd75c66092566a6db735e59b94ac36588e8060bae9
SSDEEP 1536:DRf1o2Ca7qiagSshdS0D6mJjgdLeAyNLo:Dpj7EUbD6mJjceAJ
MD5 SHA1 SHA512 SSDEEP

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