1693c7d8cf8a6173afc8e613a6949dcc189dc6fe8bc5ac34a06ad2ab866a702d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 01:48

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General

Target

uninstall.exe
Size

61KB
MD5

cacf4263c85b7d248ea859aada7a39c8
SHA1

efc3eddb232e6b69429beb55e3bcc1fd0192df02
SHA256

54cdea09145a7822be8215c105609d0e501ddaf4078f0ca9189be9d96781c939
SHA512

540949b68b6e72116f4a9ee4d134ecd7c71fa6b57029e0edc1bb0122f444aabfb400607567192a47f8909699b93ce59f10d9b776950ff99ddc8e25a42b4db6a6
SSDEEP

1536:ejoUxZbE+HOI66qkryz9zIMg/EW58gL0AzCVhN9:edxNE+Hb+eyz9zIMeEW530AYz

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1720	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1720	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 1720	2956	uninstall.exe	28
PID 2956 wrote to memory of 1720	2956	uninstall.exe	28
PID 2956 wrote to memory of 1720	2956	uninstall.exe	28
PID 2956 wrote to memory of 1720	2956	uninstall.exe	28

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:2956
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1720

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

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Downloads

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

Filesize
61KB

MD5
cacf4263c85b7d248ea859aada7a39c8

SHA1
efc3eddb232e6b69429beb55e3bcc1fd0192df02

SHA256
54cdea09145a7822be8215c105609d0e501ddaf4078f0ca9189be9d96781c939

SHA512
540949b68b6e72116f4a9ee4d134ecd7c71fa6b57029e0edc1bb0122f444aabfb400607567192a47f8909699b93ce59f10d9b776950ff99ddc8e25a42b4db6a6

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