464501b3de7998f744445fc8d2726be863bcf3664890626b7d76eb899c9fa1a9

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/10/2026, 21:16

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General

Target
Uninstall.exe
Size 51KB
Sample261018-z4f3css12m
SHA256 464501b3de7998f744445fc8d2726be863bcf3664890626b7d76eb899c9fa1a9
MD5 096578e242a6f64905878911123f9981
SHA1 b69fcc30ca2cd36f2914f8898af3c5c06b3f75d8
SHA512 ec21b3aab24bc97efa8f81c0b681d22531505680d98a2c967facc996ef9d655322825759af5ab2d7ef1d220a8135c32e9316f924a339835134957e2646c6e885
SSDEEP 768:UebbuV4LlKWVJd9dxVh1qAOYwXzBx2JqF86eWkJN+eJRn5Am6kRRJ2iZ3igLiOa:nbSqZVJdThUxmskJoqAELVigLij
TLSH
T1C933AF2B37C0D8B7CB97477149B7A7BAF7B2A610011157931B908FBFA9B5282CE05187
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery installer

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1316	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1316	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral12/files/0x000d00000001c4e0-1.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 1316	1792	Uninstall.exe	89

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- 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:1316

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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 51KB
SHA256 464501b3de7998f744445fc8d2726be863bcf3664890626b7d76eb899c9fa1a9
MD5 096578e242a6f64905878911123f9981
SHA1 b69fcc30ca2cd36f2914f8898af3c5c06b3f75d8
SHA512 ec21b3aab24bc97efa8f81c0b681d22531505680d98a2c967facc996ef9d655322825759af5ab2d7ef1d220a8135c32e9316f924a339835134957e2646c6e885
SSDEEP 768:UebbuV4LlKWVJd9dxVh1qAOYwXzBx2JqF86eWkJN+eJRn5Am6kRRJ2iZ3igLiOa:nbSqZVJdThUxmskJoqAELVigLij
TLSH
T1C933AF2B37C0D8B7CB97477149B7A7BAF7B2A610011157931B908FBFA9B5282CE05187
MD5 SHA1 SHA512 SSDEEP TLSH

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