bec0c91940afed9991f50da3f77b5ea77fd9f96a9b5ead592d7598257f40c823

Analysis

max time kernel
139s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 12:27

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General

Target

uninstall.exe
Size

289KB
MD5

3d26df34a1eb84fb5f7766f84e173f98
SHA1

cf878305e78d1d64f8555af5a9d1d883bdced53e
SHA256

cd2e1d96df23578de585ff965878f01889ba0d57bd5f8a926cd20f8c147465bb
SHA512

2209eea4253a0d29975aab6a7ca98ab8031feb3d959831f4a9dcba8ec4b056bd85b212d8b32be5d33bcae80ea5af0585c10c493648ca05d74ebae075a4376d34
SSDEEP

6144:Ue34F8Rg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bms:g8q4OaQQTYJ8eP4/L5uO7D3f5BJ

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4296	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
4296	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/0x0007000000023cce-3.dat	nsis_installer_1
behavioral14/files/0x0007000000023cce-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 4296	1340	uninstall.exe	84
PID 1340 wrote to memory of 4296	1340	uninstall.exe	84
PID 1340 wrote to memory of 4296	1340	uninstall.exe	84

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:1340
- 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:4296

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\nshD6BA.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
3d26df34a1eb84fb5f7766f84e173f98

SHA1
cf878305e78d1d64f8555af5a9d1d883bdced53e

SHA256
cd2e1d96df23578de585ff965878f01889ba0d57bd5f8a926cd20f8c147465bb

SHA512
2209eea4253a0d29975aab6a7ca98ab8031feb3d959831f4a9dcba8ec4b056bd85b212d8b32be5d33bcae80ea5af0585c10c493648ca05d74ebae075a4376d34

Download Submit