f9035e585b63056c916c3379985435cf58cc9361999a51c1e3a604e15058342c

Analysis

max time kernel
142s
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
17/05/2024, 16:53

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General

Target

$_2_/Uninstall.exe
Size

49KB
MD5

17af5ad873fc0b6920b16f41638c4465
SHA1

9430c70934d8f7db9fc87705d60f37f8ed2f743a
SHA256

8a340670d6126dbe07f1c41a2dd8652ef23387a6644e281f072c00c3d13ce2ef
SHA512

57cd4bc91c32194e4d64b27b9091e1bc43270b81e46b5dfc0a817066e230d8e37b57cb62e6d3bffaf886a33d53e266cb2d4a603f8bb6a78c42ed969f59123c5c
SSDEEP

768:3ip/4K0wirQK33PaH81Fej4w0kGvFONg4jjfS3XJIJRnvzwU:yZr0wirt3/aEecbsg4sXJ0

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
772	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral20/files/0x000800000002325e-3.dat	nsis_installer_1
behavioral20/files/0x000800000002325e-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 772	1184	Uninstall.exe	90
PID 1184 wrote to memory of 772	1184	Uninstall.exe	90
PID 1184 wrote to memory of 772	1184	Uninstall.exe	90

C:\Users\Admin\AppData\Local\Temp\$_2_\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$_2_\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- 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_\
  2⤵
  - Executes dropped EXE
  PID:772

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=3020 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:1172

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
17af5ad873fc0b6920b16f41638c4465

SHA1
9430c70934d8f7db9fc87705d60f37f8ed2f743a

SHA256
8a340670d6126dbe07f1c41a2dd8652ef23387a6644e281f072c00c3d13ce2ef

SHA512
57cd4bc91c32194e4d64b27b9091e1bc43270b81e46b5dfc0a817066e230d8e37b57cb62e6d3bffaf886a33d53e266cb2d4a603f8bb6a78c42ed969f59123c5c

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