c60e8d31d641c7a37ff1e7c7d0b1bafdd5847495e6973b466356e40fe48154ee

Analysis

max time kernel
456s
max time network
458s
platform
windows11-21h2_x64
resource
win11-20250313-en
resource tags

arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
submitted
04/04/2025, 02:00

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General

Target

uninstall.exe
Size

74KB
MD5

a8ebde28c00aecf243e97355ef1e6ca4
SHA1

9a4ab77f60b163f6cc77b9a3ea4da27e277ec665
SHA256

aa816082c18ca3a93f87af2a61b2ad85041fedc8ead0439735c8bc0e1856e5ec
SHA512

42b39e5df98ca4d944f2fbb03702c1f4007a007501f48c1121bfd1ff54728e6f6f21e23f73dbeeb7b103e7f38b2947863dd62f57c6da877cd2996f1983fc25af
SSDEEP

1536:HmsAYBdTU9fEAIS2PEtuOgdLeAyNxhSlb28sUmhU2Ui0Rb:GfY/TU9fE9PEtuOceAUSl1XkUP

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2508	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2508	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
2508	Un_A.exe
2508	Un_A.exe
2508	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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
2508	Un_A.exe
2508	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2508	2368	uninstall.exe	81
PID 2368 wrote to memory of 2508	2368	uninstall.exe	81
PID 2368 wrote to memory of 2508	2368	uninstall.exe	81

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:2368
- 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
  - Suspicious behavior: EnumeratesProcesses
  PID:2508

Network

MITRE ATT&CK Enterprise v15

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

C:\Users\Admin\AppData\Local\Temp\nsf6E1D.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf6E1D.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf6E1D.tmp\nsis_tauri_utils.dll

Filesize
29KB

MD5
c5bd51b72a0de24a183585da36a160c7

SHA1
f99a50209a345185a84d34d0e5f66d04c75ff52f

SHA256
5ef1f010f9a8be4ffe0913616f6c54acf403ee0b83d994821ae4b6716ec1d266

SHA512
1349027b08c7f82e17f572e035f224a46f33f0a410526cf471b22a74b7904b54d1befb5ea7f23c90079605d4663f1207b8c81a45e218801533d48b6602a93dbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
74KB

MD5
a8ebde28c00aecf243e97355ef1e6ca4

SHA1
9a4ab77f60b163f6cc77b9a3ea4da27e277ec665

SHA256
aa816082c18ca3a93f87af2a61b2ad85041fedc8ead0439735c8bc0e1856e5ec

SHA512
42b39e5df98ca4d944f2fbb03702c1f4007a007501f48c1121bfd1ff54728e6f6f21e23f73dbeeb7b103e7f38b2947863dd62f57c6da877cd2996f1983fc25af

Download Submit