c1e53340a7a6d8ac407fb6d4148c54c14b822f8481e56a7236f25c44b8c35525

Analysis

max time kernel
898s
max time network
445s
platform
windows11-21h2_x64
resource
win11-20260911-en
resource tags

arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/11/2026, 22:16

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General

Target
uninstall.exe
Size 69KB
Sample261102-166apsgd86
SHA256 c1e53340a7a6d8ac407fb6d4148c54c14b822f8481e56a7236f25c44b8c35525
MD5 aec1f0b1dce46575f40a47adca08e28b
SHA1 e225c9b65dea5553a5b1c8b1af8d78d4407723f5
SHA512 2062f893b7fcaf26a6c6ee7742aaefc3bc5e9d58e64b08424d2604126f600744525ff6b2c8e6b6148cf168edd7d764214f558caef0c27192cbe22fc887c8ebf4
SSDEEP 1536:AAmsAYBdTU9fEAIS2PEtumgboQLeAyXxe/0bYf56:A/fY/TU9fE9PEtumAoMeAv/0b+E
TLSH
T1FB63DF0467A8C467D9B207315EBB5BA77FF6F92210648B1B23406B5EBD72241DE0E363
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
5028	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
5028	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
5028	Un_A.exe
5028	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	uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 5028	4896	uninstall.exe	80

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:4896
- 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
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:5028

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

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Downloads

LangDLL.dll

Path C:\Users\Admin\AppData\Local\Temp\nssB1D8.tmp\LangDLL.dll
Size 5KB
SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
MD5 68b287f4067ba013e34a1339afdb1ea8
SHA1 45ad585b3cc8e5a6af7b68f5d8269c97992130b3
SHA512 06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
SSDEEP 48:S46+/nTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mFofjLl:zFuPbOBtWZBV8jAWiAJCdv2Cm0L
TLSH
T16BC19474B3C248B9C491513768AB33D36612EE746784500F9F6711AA38209F7AD3EBC3
MD5 SHA1 SHA512 SSDEEP TLSH

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nssB1D8.tmp\System.dll
Size 12KB
SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 cff85c549d536f651d4fb8387f1976f2
SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
TLSH
T126426B129BB089F2F591583814667F2A6FBE9C5D27F50563CFE304D63D212CB983A283
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 69KB
SHA256 c1e53340a7a6d8ac407fb6d4148c54c14b822f8481e56a7236f25c44b8c35525
MD5 aec1f0b1dce46575f40a47adca08e28b
SHA1 e225c9b65dea5553a5b1c8b1af8d78d4407723f5
SHA512 2062f893b7fcaf26a6c6ee7742aaefc3bc5e9d58e64b08424d2604126f600744525ff6b2c8e6b6148cf168edd7d764214f558caef0c27192cbe22fc887c8ebf4
SSDEEP 1536:AAmsAYBdTU9fEAIS2PEtumgboQLeAyXxe/0bYf56:A/fY/TU9fE9PEtumAoMeAv/0b+E
TLSH
T1FB63DF0467A8C467D9B207315EBB5BA77FF6F92210648B1B23406B5EBD72241DE0E363
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads