43283317d9aa926a3204b791df2524ad0e0b26f055feabb40d3dcb2fb06c106c

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-02-2025 08:52

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General

Target

uninstall.exe
Size

75KB
MD5

698b2e5ed5e392949a90565a18726c6c
SHA1

fc1b3767af0241108d7cd1516282581c6fd42cf7
SHA256

efd03ac2c1e051ad09cec8be365fc7820cf33d5bdda81f23684e94c24628831f
SHA512

3a63ca1234bc8f03e1b1ad1d98395fa2715fd33dcaeee60d92162451e6a691f6b901f59154983c2583652059f72cc505b91a14779f26fa97eb748664be6be933
SSDEEP

1536:tmsAYBdTU9fEAIS2PEtuOgdLeAyNxSMxqvpPF41ahQGBjP21/n:sfY/TU9fE9PEtuOceA7lBPF4eQao

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2200	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2200	Un_A.exe

Loads dropped DLL 4 IoCs

pid	Process
2784	uninstall.exe
2200	Un_A.exe
2200	Un_A.exe
2200	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 1 IoCs

pid	Process
2200	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2200	2784	uninstall.exe	30
PID 2784 wrote to memory of 2200	2784	uninstall.exe	30
PID 2784 wrote to memory of 2200	2784	uninstall.exe	30
PID 2784 wrote to memory of 2200	2784	uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784
- 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:2200

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

\Users\Admin\AppData\Local\Temp\nsj7A41.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj7A41.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
\Users\Admin\AppData\Local\Temp\nsj7A41.tmp\nsis_tauri_utils.dll

Filesize
30KB

MD5
fc4691e51cdfac476b2fc63bbe951e82

SHA1
6532da4545864c6ec95f62f27f2199bfd668560b

SHA256
7317e5508923f425bced2698bb89f79b00fcddcd1028f44b598732b2e3711464

SHA512
5b544832f1b1b8f2e1c6f8d61a839bea22c2c3d7e2a03671a12bab936e46a6f3fa3dd8aa53ec91157c1de08f0b349d6d2c1aec29385ad38cc0b2ab4c033c58ed

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

Filesize
75KB

MD5
698b2e5ed5e392949a90565a18726c6c

SHA1
fc1b3767af0241108d7cd1516282581c6fd42cf7

SHA256
efd03ac2c1e051ad09cec8be365fc7820cf33d5bdda81f23684e94c24628831f

SHA512
3a63ca1234bc8f03e1b1ad1d98395fa2715fd33dcaeee60d92162451e6a691f6b901f59154983c2583652059f72cc505b91a14779f26fa97eb748664be6be933

Download Submit