597c1d7ea178d6def194608b6bbf233a8892ec001a6c0063a35553dde948c5b0

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 16:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
uninstall.exe
Size 289KB
Sample240204-ttyxjaebc4
SHA256 f87582af2ae7fc48c78e4d06c51f4bfbc254674a5c060226000da84916073961
MD5 2d24ab8fe6b6e95040936ebe8a1ddc7a
SHA1 1f63bdae22e3ca7d6344cc06448b712503016cdb
SHA512 5879115b7a0474f66c8f62558de7305ec0522b8b523cda798f1fdc862d8ef16a5cc9220b9641959031a41d31e2c7c73d4ede80754551f99d9dda55d332be742b
SSDEEP 6144:Ue34/mkRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bm1:eVq4OaQQTYJ8eP4/L5uO7D3f5BE
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4560	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
4560	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/0x000800000002320c-3.dat	nsis_installer_1
behavioral14/files/0x000800000002320c-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 4560	4432	uninstall.exe	85
PID 4432 wrote to memory of 4560	4432	uninstall.exe	85
PID 4432 wrote to memory of 4560	4432	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:4432
- 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:4560

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

Loading Replay Monitor...

Downloads

aminsis.dll

Path C:\Users\Admin\AppData\Local\Temp\nsx665C.tmp\aminsis.dll
Size 567KB
SHA256 1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
MD5 450753ad96785a240a39deccab3af0d0
SHA1 21c544064d2ffa6444508268ce258a330d459fc5
SHA512 c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab
SSDEEP 12288:i/x6GnSkidh7NfMc4G1ppgH81vrKiuu+PUHOGcl5Sbl9B9GUdL:9GnSkWh4G1ppgH81vrBu3MHOGUKfGU
MD5 SHA1 SHA512 SSDEEP

Submit Download

Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 289KB
SHA256 f87582af2ae7fc48c78e4d06c51f4bfbc254674a5c060226000da84916073961
MD5 2d24ab8fe6b6e95040936ebe8a1ddc7a
SHA1 1f63bdae22e3ca7d6344cc06448b712503016cdb
SHA512 5879115b7a0474f66c8f62558de7305ec0522b8b523cda798f1fdc862d8ef16a5cc9220b9641959031a41d31e2c7c73d4ede80754551f99d9dda55d332be742b
SSDEEP 6144:Ue34/mkRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bm1:eVq4OaQQTYJ8eP4/L5uO7D3f5BE
MD5 SHA1 SHA512 SSDEEP