6922bffbab5cadc61a8a22ba1f0079ac9f8c91cf7f0fe899f4cb02211bdc2291

Analysis

max time kernel
148s
max time network
151s
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, 03:08

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General

Target

uninstall.exe
Size

285KB
MD5

d7ab8a51e40f955ab31f21de08be5683
SHA1

a237d0f4b399d63ddc7f7b9e7bf7d8b348662e8b
SHA256

1eb776ac03a000824fbfa3386045e351e016c8fe68dc9861a728fe9b90dcb357
SHA512

5e777e6cb551278946c045584c8d4bcb0eaed1739a4546c76918f8b65ff3b3a29e611bf55d6bad5a9ad0df8f8b2dedc9f6c1e012e11b5713772f21ce868b6f4f
SSDEEP

6144:Ee34JtpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1v:sLeZHkwuPikQ7lKH5p5H9x1v

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2312	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2312	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/0x000a000000023ca0-3.dat	nsis_installer_1
behavioral14/files/0x000a000000023ca0-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2312	2028	uninstall.exe	85
PID 2028 wrote to memory of 2312	2028	uninstall.exe	85
PID 2028 wrote to memory of 2312	2028	uninstall.exe	85

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:2028
- 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:2312

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\nsgD449.tmp\aminsis.dll

Filesize
559KB

MD5
51ba1095f0ae45a2d444bea506cb9ad4

SHA1
038a5d53d055a6d440bd2c8864c2f51db206c5e5

SHA256
b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

SHA512
f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361

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

Filesize
285KB

MD5
d7ab8a51e40f955ab31f21de08be5683

SHA1
a237d0f4b399d63ddc7f7b9e7bf7d8b348662e8b

SHA256
1eb776ac03a000824fbfa3386045e351e016c8fe68dc9861a728fe9b90dcb357

SHA512
5e777e6cb551278946c045584c8d4bcb0eaed1739a4546c76918f8b65ff3b3a29e611bf55d6bad5a9ad0df8f8b2dedc9f6c1e012e11b5713772f21ce868b6f4f

Download Submit