1999761f26da1496ada1465f8cd393b5c0d909f3c36e5b6b0757d66702547002

Analysis

max time kernel
112s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 17:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

41KB
MD5

61ac81123684bdecc0a022aa360f7ac1
SHA1

47ee464d9f40b4f3d4854f070273438347746db0
SHA256

fbf22d92b688320cbd2f0b2b8981edaaf1e828e1de48c31128d15e4847307277
SHA512

261ef9cf5f2727fa8003c19b70a29bc55b47ee2cb340c436b39970136de5cfdfd17b5100ab8ac806fe32181d940fb448a5d9378dbd6eb70a3425b2b176ef86f8
SSDEEP

768:6HJd0TpH2+bQ2dUWVX9Hfv1JMWmtLEJOyuBxG0D3mjfS3XJdJRnSlCjFZnOlb/:6pgpHzb9dZVX9fHMvG0D3XJYlCjW5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2904	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1480	uninstall.exe

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
behavioral11/files/0x0004000000019308-2.dat	nsis_installer_1
behavioral11/files/0x0004000000019308-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2904	1480	uninstall.exe	29
PID 1480 wrote to memory of 2904	1480	uninstall.exe	29
PID 1480 wrote to memory of 2904	1480	uninstall.exe	29
PID 1480 wrote to memory of 2904	1480	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:1480
- 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
  - System Location Discovery: System Language Discovery
  PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
41KB

MD5
61ac81123684bdecc0a022aa360f7ac1

SHA1
47ee464d9f40b4f3d4854f070273438347746db0

SHA256
fbf22d92b688320cbd2f0b2b8981edaaf1e828e1de48c31128d15e4847307277

SHA512
261ef9cf5f2727fa8003c19b70a29bc55b47ee2cb340c436b39970136de5cfdfd17b5100ab8ac806fe32181d940fb448a5d9378dbd6eb70a3425b2b176ef86f8

Download Submit