a9aebe0c85244e0bb616646dd9abf0e459dbbaf9e2b8b11cf1fd900c61630f9f

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 19:58

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General

Target

uninstall.exe
Size

669KB
MD5

e01042bd48ed3e358219766200b64c31
SHA1

3f8f6f15a9e015d0e7083dd79448b1b0e1f081b3
SHA256

b364e9fd94a0480cd1f2747ec72e1c1f2be0223e4ddf6b9d39a9fe9c3d4d1447
SHA512

38f44069235842b2661d5af538f75b28183b1c030dc133d31b00393c959e71a5d499e7914720f9f46ea9310d8c78b052d55d40e92a839e787c977555a782b073
SSDEEP

12288:AYQVkXPy4dyom/A36EMVAslywaiXNUjTol4grANQRfxeK4lcvEGqTQ3Sr1:AYQVk5yO6dfnSsrAaBEnTQ3O1

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3472	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
3472	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
3472	Un_A.exe
3472	Un_A.exe
3472	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
3472	Un_A.exe
3472	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 3472	2992	uninstall.exe	82
PID 2992 wrote to memory of 3472	2992	uninstall.exe	82
PID 2992 wrote to memory of 3472	2992	uninstall.exe	82

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:2992
- 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:3472

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\nsbB037.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsbB037.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsbB037.tmp\nsis_tauri_utils.dll

Filesize
1.1MB

MD5
1e38f56aba852b737f2866c48b823165

SHA1
53a7cfaeb6a4a9653d6d5fbff02a3c3b8720130a

SHA256
0eed48313a7f904d7cc1977b70000ab3f11f18cadc8e6a69b807d288ca71f9db

SHA512
5cbf6ca67aee29f5afbbaf57a72eb58e8f85b692e69aa5acd5817b00dc6948486189a8e74f4fcae302e9c453cc770eef78b3ffa70a914d911246e5b4992fc9a4

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

Filesize
669KB

MD5
e01042bd48ed3e358219766200b64c31

SHA1
3f8f6f15a9e015d0e7083dd79448b1b0e1f081b3

SHA256
b364e9fd94a0480cd1f2747ec72e1c1f2be0223e4ddf6b9d39a9fe9c3d4d1447

SHA512
38f44069235842b2661d5af538f75b28183b1c030dc133d31b00393c959e71a5d499e7914720f9f46ea9310d8c78b052d55d40e92a839e787c977555a782b073

Download Submit