744f8847f96d6c1e1fcb0ef0cb6714d1fa287acf465c90a9643c3e3d5de5ab47

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/09/2026, 23:35

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General

Target
uninst.exe
Size 33KB
Sample260920-3lencsvwf1
SHA256 744f8847f96d6c1e1fcb0ef0cb6714d1fa287acf465c90a9643c3e3d5de5ab47
MD5 681f025c5d03e74b5d200300f2927a07
SHA1 336161a0e1b1593711fb097f495c9b4b4b88fbc2
SHA512 c4279036db2e8879755e19adfc3e0ad24632f69eac38c778285602e2586611633da567a078faf4cd07bbe1c216d42c9b14685d6f00f7c2f7e3ac0a36d917d456
SSDEEP 768:phMZ0dF4ZFvQbn+eePu3cIQGCGbiC4k42M3wJJdgM:pyZMSZFvknTePMZd4k4kJJdgM
TLSH
T1C6F27D5736D088B3D99706B117B7DB3BE7BB93001310625B6B645FBF3D22287A91D282
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery installer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4848	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
4848	Au_.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral14/files/0x000e00000001c4f0-0.dat	nsis_installer_1
behavioral14/files/0x000e00000001c4f0-0.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 4848	4228	uninst.exe	87

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4228
- 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
  - System Location Discovery: System Language Discovery
  PID:4848

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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 33KB
SHA256 744f8847f96d6c1e1fcb0ef0cb6714d1fa287acf465c90a9643c3e3d5de5ab47
MD5 681f025c5d03e74b5d200300f2927a07
SHA1 336161a0e1b1593711fb097f495c9b4b4b88fbc2
SHA512 c4279036db2e8879755e19adfc3e0ad24632f69eac38c778285602e2586611633da567a078faf4cd07bbe1c216d42c9b14685d6f00f7c2f7e3ac0a36d917d456
SSDEEP 768:phMZ0dF4ZFvQbn+eePu3cIQGCGbiC4k42M3wJJdgM:pyZMSZFvknTePMZd4k4kJJdgM
TLSH
T1C6F27D5736D088B3D99706B117B7DB3BE7BB93001310625B6B645FBF3D22287A91D282
MD5 SHA1 SHA512 SSDEEP TLSH

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