188f477448be44e6916d80d29af2671b0c943d5e5954b1f17b5c493703555f86

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 14:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

289KB
MD5

c293ae1109b3bab8c2d5ac73ca795e8d
SHA1

f43bdfbc9bc7b1b0a7bde49acacd00820f23f445
SHA256

5572d3d98a62f4af6d9e0c34a006c980f7883a7f183f02c11a4a2a3b763269f7
SHA512

87b407e9bdc612d49671c0ad25fc09f0363e7d7dda5412a76ab01ab63cfd818555353e92ffac56cd69cc1baa0f8176e6a994a7ac7933b5fbd2019537aad353f0
SSDEEP

6144:Ue34ybRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bmp:zbq4OaQQTYJ8eP4/L5uO7D3f5BM

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2712	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
1292	uninstall.exe
2712	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	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x0005000000019c50-2.dat	nsis_installer_1
behavioral13/files/0x0005000000019c50-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2712	1292	uninstall.exe	30
PID 1292 wrote to memory of 2712	1292	uninstall.exe	30
PID 1292 wrote to memory of 2712	1292	uninstall.exe	30
PID 1292 wrote to memory of 2712	1292	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:1292
- 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:2712

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

\Users\Admin\AppData\Local\Temp\nsoCC07.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
c293ae1109b3bab8c2d5ac73ca795e8d

SHA1
f43bdfbc9bc7b1b0a7bde49acacd00820f23f445

SHA256
5572d3d98a62f4af6d9e0c34a006c980f7883a7f183f02c11a4a2a3b763269f7

SHA512
87b407e9bdc612d49671c0ad25fc09f0363e7d7dda5412a76ab01ab63cfd818555353e92ffac56cd69cc1baa0f8176e6a994a7ac7933b5fbd2019537aad353f0

Download Submit