9f86e36984bd9998c779891a995b4a96aa01e796afafd43e68e7f5cba56d8034

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/01/2024, 13:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninst.exe
Size

37KB
MD5

97569e12887176f6256e05c74b831a9f
SHA1

14d33dec5bdebc2a41541882c09c180959871c47
SHA256

853a0d3a03dec409c9303bd3c52017cb3fdf01570d802038bda28d058192edc8
SHA512

957dd5e1d034a14d7f3111386841913dfd2093bab91a103134e04b807425b967b5d7ecf36ea1097b28a7cc36eab490f83cf26b75f553aacd79bab535be6a628d
SSDEEP

768:EHJd0TpH2+bQ2dUWVX9Hfv1JMWmtLEJOyuBxG0D3mjfS3XJqTQvDXnV0:EpgpHzb9dZVX9fHMvG0D3XJG8nV0

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3052	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
3052	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2292	uninst.exe
3052	Au_.exe
3052	Au_.exe
3052	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
behavioral17/files/0x000d0000000122e8-2.dat	nsis_installer_1
behavioral17/files/0x000d0000000122e8-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 3052	2292	uninst.exe	28
PID 2292 wrote to memory of 3052	2292	uninst.exe	28
PID 2292 wrote to memory of 3052	2292	uninst.exe	28
PID 2292 wrote to memory of 3052	2292	uninst.exe	28
PID 2292 wrote to memory of 3052	2292	uninst.exe	28
PID 2292 wrote to memory of 3052	2292	uninst.exe	28
PID 2292 wrote to memory of 3052	2292	uninst.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2292
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3052

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

Loading Replay Monitor...

Downloads

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

Filesize
37KB

MD5
97569e12887176f6256e05c74b831a9f

SHA1
14d33dec5bdebc2a41541882c09c180959871c47

SHA256
853a0d3a03dec409c9303bd3c52017cb3fdf01570d802038bda28d058192edc8

SHA512
957dd5e1d034a14d7f3111386841913dfd2093bab91a103134e04b807425b967b5d7ecf36ea1097b28a7cc36eab490f83cf26b75f553aacd79bab535be6a628d

Download Submit