e6c6bd02fa5f256653f81e8a8ef13fabfbcc0ba75a1ee41a83afb2199ea11d57

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 11:23

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General

Target

Uninstall.exe
Size

49KB
MD5

7805ecad1077dd8ac1ff28015a3b05e1
SHA1

693617b6cad16f97d9b61bc25a731ec71441ba67
SHA256

e3ddbd65eb5a2033141e577bb75ba3b71c5c18e8a0e9bb7a0b1cde41c4180dc7
SHA512

867e8f16424501935ed5df2b49d23854578a4d0f26791ad76b39893ffa434f65c665d9af965c888a629155e82fda5213e964796b3c4cf7995551ca36c842de31
SSDEEP

768:LbGBkj++ARXzxc2FdZ6IOw7UkfSy0D3DwdFkqsWkJd+eJRn5Am6kRRJ2iZ3igvHk:/EkjY1zy214Qay0DGkJYqAELVigvE

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4808	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/0x0007000000023255-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 4808	3260	Uninstall.exe	94
PID 3260 wrote to memory of 4808	3260	Uninstall.exe	94
PID 3260 wrote to memory of 4808	3260	Uninstall.exe	94

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3260
- 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:4808

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=1016 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:4572

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

C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
49KB

MD5
7805ecad1077dd8ac1ff28015a3b05e1

SHA1
693617b6cad16f97d9b61bc25a731ec71441ba67

SHA256
e3ddbd65eb5a2033141e577bb75ba3b71c5c18e8a0e9bb7a0b1cde41c4180dc7

SHA512
867e8f16424501935ed5df2b49d23854578a4d0f26791ad76b39893ffa434f65c665d9af965c888a629155e82fda5213e964796b3c4cf7995551ca36c842de31

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