e4ea0adcecbddedbb6645443811ac1673099cd4d245142ad56cadf73676eebdc

Analysis

max time kernel
150s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/09/2026, 15:17

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General

Target
uninst.exe
Size 52KB
Sample260916-spfdysbd86
SHA256 e4ea0adcecbddedbb6645443811ac1673099cd4d245142ad56cadf73676eebdc
MD5 54a805778f591ac29abccefc9acbcd17
SHA1 cc3001f7962324608522fffb8358b123619c418e
SHA512 3958e20180cb32ad3454b747bbb4888b6985b92345b345af86482d38e95bd0917bc3193a1b1b2cd62ea85e38a0d6dc2de59106fb5ae7d8787f1d604e421edb09
SSDEEP 1536:7BWx2gmwLOuYL12EawcKocJgdLeAyNxAeK/:7BynOpL12riocJceAoK/
TLSH
T19433AE1633C0CCB7C5AA07B19ABBDBB6E7B6E6000110A69767A05F7F69316C6DE06143
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery installer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5212	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
5212	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
5212	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
behavioral12/files/0x000d00000001c51a-0.dat	nsis_installer_1
behavioral12/files/0x000d00000001c51a-0.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5756 wrote to memory of 5212	5756	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:5756
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:5212

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

LangDLL.dll

Path C:\Users\Admin\AppData\Local\Temp\nsx87F4.tmp\LangDLL.dll
Size 5KB
SHA256 6a033e367714ec0d13fca0589c165bdbf4d1dac459fa7ec7415815223fa3c008
MD5 77ff758c10c66937de6d86c388aa431c
SHA1 14bd5628eaf8a12b55cd38f9560c839cb21ce77a
SHA512 319837951be276a179ead69efcd24bd7566061abc7997ea782af50bd4b0d69e5ec1a6e4cdeb2825bafedf87edf03380396b7bcf58682b6a3a824c8dc4b966bda
SSDEEP 48:im18EhqneMPUptuMMNvimk2BAZuMTRCpYEvJdUJvR0J0of5dwe:F12pl9NLBAZuYtR0rd
TLSH
T197C18537A3C106F5E6944233265363C35713A9707766804FCB6712BA1A208B7ED6EB83
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
Size 52KB
SHA256 e4ea0adcecbddedbb6645443811ac1673099cd4d245142ad56cadf73676eebdc
MD5 54a805778f591ac29abccefc9acbcd17
SHA1 cc3001f7962324608522fffb8358b123619c418e
SHA512 3958e20180cb32ad3454b747bbb4888b6985b92345b345af86482d38e95bd0917bc3193a1b1b2cd62ea85e38a0d6dc2de59106fb5ae7d8787f1d604e421edb09
SSDEEP 1536:7BWx2gmwLOuYL12EawcKocJgdLeAyNxAeK/:7BynOpL12riocJceAoK/
TLSH
T19433AE1633C0CCB7C5AA07B19ABBDBB6E7B6E6000110A69767A05F7F69316C6DE06143
MD5 SHA1 SHA512 SSDEEP TLSH