390c48c47b57b0891feacb81faccbe373c14b7a1a9832b0912b02aaf4de803bb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 03:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

289KB
MD5

b66815472550af6d785c454fe6c1b42d
SHA1

f337e483b46f9bf43c9175051a24e932c9679011
SHA256

7c40bff0f510a1c3952bde7943f5705c034226d59bfac153a3febb498ceb70c5
SHA512

ddd1bac0c61e7f937f1f401610784c1107d9d10fdc06bbe578600c7f9d2b05032dc99a3e1481923a14b922ee08ed61059cf68d016448e27640ae5a663fa1e808
SSDEEP

6144:Ue34oTRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bmt:dTq4OaQQTYJ8eP4/L5uO7D3f5BI

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2872	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2692	uninstall.exe
2872	Au_.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x0005000000019266-2.dat	nsis_installer_1
behavioral13/files/0x0005000000019266-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2872	2692	uninstall.exe	30
PID 2692 wrote to memory of 2872	2692	uninstall.exe	30
PID 2692 wrote to memory of 2872	2692	uninstall.exe	30
PID 2692 wrote to memory of 2872	2692	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:2692
- 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
  - System Location Discovery: System Language Discovery
  PID:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsj92A0.tmp\aminsis.dll

Filesize
567KB

MD5
450753ad96785a240a39deccab3af0d0

SHA1
21c544064d2ffa6444508268ce258a330d459fc5

SHA256
1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3

SHA512
c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab

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

Filesize
289KB

MD5
b66815472550af6d785c454fe6c1b42d

SHA1
f337e483b46f9bf43c9175051a24e932c9679011

SHA256
7c40bff0f510a1c3952bde7943f5705c034226d59bfac153a3febb498ceb70c5

SHA512
ddd1bac0c61e7f937f1f401610784c1107d9d10fdc06bbe578600c7f9d2b05032dc99a3e1481923a14b922ee08ed61059cf68d016448e27640ae5a663fa1e808

Download Submit