8536a124573aee7b65d87e6d7d7bbc480a3084bef0ea75c1e82816a64817a451

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/09/2026, 11:09

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General

Target
Uninstall.exe
Size 75KB
Sample260930-m9b95ssdlf
SHA256 8536a124573aee7b65d87e6d7d7bbc480a3084bef0ea75c1e82816a64817a451
MD5 373ab9f3666e444d538dab8e35d56730
SHA1 e5498ad390b38983a887e850e48c6235b4be3249
SHA512 f18112b60ac9ad4b563fec2b895e82be08d776d99a613855c646e1160923c16ca377cc66f7190ce603b2e32b21832d5eb0335daa4f6057ee47cb79110db9bc07
SSDEEP 1536:CUeHiWRgkkjH8nyWmJF6WvwKOhfb87gd0keenh09d1hM/TYzftq:Cd/vyWmJF7wKOxYenyVxzw
TLSH
T16273E118B6C188BBD84706711EA7D77AE3FAE3060751038B5B640F6FB96618BD50B387
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery installer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4384	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
4384	Au_.exe
4384	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 2 IoCs

installer

resource	yara_rule
behavioral20/files/0x000d00000001c54b-1.dat	nsis_installer_1
behavioral20/files/0x000d00000001c54b-1.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5320 wrote to memory of 4384	5320	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:5320
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4384

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

InstallOptions.dll

Path C:\Users\Admin\AppData\Local\Temp\nsxFC9D.tmp\InstallOptions.dll
Size 12KB
SHA256 2338752092918db8e068d55bea61f8cdeb9be37b6e6d30a730d9703b169b08b4
MD5 57db62366ef11fdc47922a02031f0492
SHA1 6d30db5285b653025f94e74b9b045870dc0aeb7a
SHA512 d0257e02370863e07feb9346b88d87a102089f0c48aea13e069e55a14f0f6db51fb3d5f41ed5d2f39e36b612f4b6194a6b7c059709808bfb23ded89d0b0a3db5
SSDEEP 192:gzixixDOHhG9db9rd+oSVPECMlh3I8tqDynq7hwbbHF1QuCb:gOx0DOHqrdwTY6+nq72bbMum
TLSH
T105422A622384DCF3E789423AB45237136B96962679516ED1C7330FC66A2304D7EF6353
MD5 SHA1 SHA512 SSDEEP TLSH

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MachineKey.dll

Path C:\Users\Admin\AppData\Local\Temp\nsxFC9D.tmp\MachineKey.dll
Size 52KB
SHA256 dd2f2d8c0a7d767be40b0f83ac6339ec86068e4ba0f4cd0e3e5b99050dd84fcf
MD5 819265cb9b45d837914f428373b06318
SHA1 0725f84eba20acdbd702b688ea61dee84e370b0c
SHA512 ae4dd3f773568072e86e694c72a08d06b9206cb704a22ced1a922bc04a61a504aee67fc32ffb4d39f9e75f74c533d409756d4d953eaf9ab89cc9fe11f702b30c
SSDEEP 384:CagOX/gmuxWO+g1riti1O1LuSrmt+yAG69KNx+JbRe3Mqq3TpXRKpHzTIhuuDyGk:C2vgz8OlMit+fZAx+13Dpan+p5aBLa
TLSH
T16A33F71839438473F0454939D3C596C15FFE6C0336E7B06FEFA6068D5AE129C61BAAB2
MD5 SHA1 SHA512 SSDEEP TLSH

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsxFC9D.tmp\ioSpecial.ini
Size 496B
SHA256 3ffd0f3687e4af08bc8f0d7d23e4dfd0dab0abb3a219618adb41a50b3d99fae0
MD5 746453adc2090ac09139e27ce10a7ba5
SHA1 261a7bb9dd04ee9214c8b3b7a17e7d63cd771335
SHA512 84c45305a43fb3d7f3c825f4e45004dada307327d109e67badb5c14961b46db0a697c5c19a1c31deaa570ececbccf2d13a0c4bb18265ac0e86b844232bc3b73d
TLSH
T188F09E8C845A932A0820A19A69FA3A9513D00D304B013BF0F9228C47974CED189E95C3
MD5 SHA1 SHA512 TLSH

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 75KB
SHA256 8536a124573aee7b65d87e6d7d7bbc480a3084bef0ea75c1e82816a64817a451
MD5 373ab9f3666e444d538dab8e35d56730
SHA1 e5498ad390b38983a887e850e48c6235b4be3249
SHA512 f18112b60ac9ad4b563fec2b895e82be08d776d99a613855c646e1160923c16ca377cc66f7190ce603b2e32b21832d5eb0335daa4f6057ee47cb79110db9bc07
SSDEEP 1536:CUeHiWRgkkjH8nyWmJF6WvwKOhfb87gd0keenh09d1hM/TYzftq:Cd/vyWmJF7wKOxYenyVxzw
TLSH
T16273E118B6C188BBD84706711EA7D77AE3FAE3060751038B5B640F6FB96618BD50B387
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads