ab302c5c241aa7fee3d6fcce7dc5cb71ee1a0588788a2892f251f37b1081233d

Analysis

max time kernel
92s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 13:07

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General

Target

uninstall.exe
Size

289KB
MD5

3021192ce80690e8e98187869869b4f0
SHA1

7ceb97fd92fd7e29eec62c6866e9a2e12dd477b9
SHA256

6e83ebf88ad680ffdde0a27226055b6fc2a1e1139212673a131adc967759c3e6
SHA512

aa7fe0673fe594bd1cb9b7e36964558a7c87619647e12dc5f014df6530521c7316727cc24a09e6b740bb07245c66657626ad2bd79d9b5492296ceb0bd2738e22
SSDEEP

6144:Ue345ScRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bmc:MScq4OaQQTYJ8eP4/L5uO7D3f5Bt

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3764	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
3764	Au_.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral14/files/0x0007000000023232-3.dat	nsis_installer_1
behavioral14/files/0x0007000000023232-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 3764	4300	uninstall.exe	85
PID 4300 wrote to memory of 3764	4300	uninstall.exe	85
PID 4300 wrote to memory of 3764	4300	uninstall.exe	85

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsh64C6.tmp\aminsis.dll

Filesize
567KB

MD5
450753ad96785a240a39deccab3af0d0

SHA1
21c544064d2ffa6444508268ce258a330d459fc5

SHA256
1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3

SHA512
c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
289KB

MD5
3021192ce80690e8e98187869869b4f0

SHA1
7ceb97fd92fd7e29eec62c6866e9a2e12dd477b9

SHA256
6e83ebf88ad680ffdde0a27226055b6fc2a1e1139212673a131adc967759c3e6

SHA512
aa7fe0673fe594bd1cb9b7e36964558a7c87619647e12dc5f014df6530521c7316727cc24a09e6b740bb07245c66657626ad2bd79d9b5492296ceb0bd2738e22

Download Submit