624766bd549273311a6792c4e52cc528bc58769541a60079e5a8717376335b94

Analysis

max time kernel
94s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 23:28

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General

Target

uninstall.exe
Size

289KB
MD5

a8ac60d597686cf376646865bc883add
SHA1

1d73952e2a6a0b29676e765279dda476014881b3
SHA256

e436bbf5d9fc9b3ddd77091c96beebd4cdff47fe49f05b6e969065bb94963a13
SHA512

5988d6b7eadd167cef93f7439b1e88fa3094fc9c2930dbc0d31a3d54358c8fae97edb9467264fb4f0cc7ec43bdb19adb5900f403543b398f28d8961162753aab
SSDEEP

6144:Ue345qRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bm7:sqq4OaQQTYJ8eP4/L5uO7D3f5Bu

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3864	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
3864	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
behavioral14/files/0x000a000000023ba1-3.dat	nsis_installer_1
behavioral14/files/0x000a000000023ba1-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 3864	2720	uninstall.exe	83
PID 2720 wrote to memory of 3864	2720	uninstall.exe	83
PID 2720 wrote to memory of 3864	2720	uninstall.exe	83

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:2720
- 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:3864

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsc99DF.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
a8ac60d597686cf376646865bc883add

SHA1
1d73952e2a6a0b29676e765279dda476014881b3

SHA256
e436bbf5d9fc9b3ddd77091c96beebd4cdff47fe49f05b6e969065bb94963a13

SHA512
5988d6b7eadd167cef93f7439b1e88fa3094fc9c2930dbc0d31a3d54358c8fae97edb9467264fb4f0cc7ec43bdb19adb5900f403543b398f28d8961162753aab

Download Submit