c93faef0948c62711735bbeacb3c1eb49a20e8307ce4a5dc82c967742f041767

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/10/2026, 14:27

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General

Target
uninst.exe
Size 50KB
Sample261006-rssb9act5r
SHA256 c93faef0948c62711735bbeacb3c1eb49a20e8307ce4a5dc82c967742f041767
MD5 4e057ef32d657c6590e0ae555e4710d7
SHA1 a25dcdedc2923d90460ef9dc4c2d547ada42f0a8
SHA512 bf386cb2771b6ca8b8d47f512baecbbed7887f8d333ee64c5689dc085adf673afc493ba2cd47419f0a804255627d3d0f70c3d4375bcc418c473ea7aab3af78ba
SSDEEP 1536:5aLuXE8XPIYyr7jvN0DoJ+cpgdLeAyNJ1W:0LuXzXwYyr6DoocpceASW
TLSH
T15C339E076B60C8F7CA75027009BBAB7BAFF6C61011549F1357806F1B7D232528A1E297
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
5240	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
5240	Un_A.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	Un_A.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral14/files/0x0008000000016b43-0.dat	nsis_installer_1
behavioral14/files/0x0008000000016b43-0.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 5240	468	uninst.exe	90

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:468
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5240

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5328

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

Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 50KB
SHA256 c93faef0948c62711735bbeacb3c1eb49a20e8307ce4a5dc82c967742f041767
MD5 4e057ef32d657c6590e0ae555e4710d7
SHA1 a25dcdedc2923d90460ef9dc4c2d547ada42f0a8
SHA512 bf386cb2771b6ca8b8d47f512baecbbed7887f8d333ee64c5689dc085adf673afc493ba2cd47419f0a804255627d3d0f70c3d4375bcc418c473ea7aab3af78ba
SSDEEP 1536:5aLuXE8XPIYyr7jvN0DoJ+cpgdLeAyNJ1W:0LuXzXwYyr6DoocpceASW
TLSH
T15C339E076B60C8F7CA75027009BBAB7BAFF6C61011549F1357806F1B7D232528A1E297
MD5 SHA1 SHA512 SSDEEP TLSH

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