2adc90962162732b7827e54e065506325637f0d21694c3999082266638036dd8

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 21:01

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General

Target

uninstall.exe
Size

289KB
MD5

cab0149d435820c9e8ff149b605ed128
SHA1

f7fcebb54ecfc215a931a450e03050c6b32c69a2
SHA256

b465ced676358c259c81d8cca7af393d41a6bc60fb490ca1d57428d8095e68ff
SHA512

7a5cea3151901da2344878a3030259884c658647472674b0300c2390e86361183bd33f33fb809f666939a7ab3f0989dedce3fd3447619a711f37413b0a9e7daf
SSDEEP

6144:Ue343hRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bmf:ehq4OaQQTYJ8eP4/L5uO7D3f5Bi

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1496	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
1456	uninstall.exe
1496	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/0x000500000001a499-2.dat	nsis_installer_1
behavioral13/files/0x000500000001a499-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1496	1456	uninstall.exe	29
PID 1456 wrote to memory of 1496	1456	uninstall.exe	29
PID 1456 wrote to memory of 1496	1456	uninstall.exe	29
PID 1456 wrote to memory of 1496	1456	uninstall.exe	29

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:1456
- 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:1496

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

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Downloads

\Users\Admin\AppData\Local\Temp\nsz51F8.tmp\aminsis.dll

Filesize
567KB

MD5
450753ad96785a240a39deccab3af0d0

SHA1
21c544064d2ffa6444508268ce258a330d459fc5

SHA256
1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3

SHA512
c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab

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

Filesize
289KB

MD5
cab0149d435820c9e8ff149b605ed128

SHA1
f7fcebb54ecfc215a931a450e03050c6b32c69a2

SHA256
b465ced676358c259c81d8cca7af393d41a6bc60fb490ca1d57428d8095e68ff

SHA512
7a5cea3151901da2344878a3030259884c658647472674b0300c2390e86361183bd33f33fb809f666939a7ab3f0989dedce3fd3447619a711f37413b0a9e7daf

Download Submit