196d78953b7beeabc50a1c0294312246d52b465fa6d3dacb82fe6be223bce9f4

Analysis

max time kernel
100s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 03:00

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General

Target

Uninstall.exe
Size

53KB
MD5

4791c9c35258d61f72816160f84e2b4f
SHA1

b5e89e063a9e241ab711dacc7577a67b4786f227
SHA256

60e4073a1db111b9dbbb09bad8956e1e97938540c412b4f78579412c47db7507
SHA512

9ef2de0f904be73252c7ff0d9877953a880bbcd6f002e45f04788d4209544b6ec73b1401cfbe63c91ab73fc581c6a7cfc0a0a744481048bd5f15342b04fc9390
SSDEEP

1536:spgpHzb9dZVX9fHMvG0D3XJdgdLeAyN/5di:6gXdZt9P6D3XJdceAWi

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1300	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1464	Uninstall.exe
1300	Au_.exe
1300	Au_.exe
1300	Au_.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
behavioral7/files/0x000500000001a4c7-7.dat	nsis_installer_1
behavioral7/files/0x000500000001a4c7-7.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1300	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1300	1464	Uninstall.exe	30
PID 1464 wrote to memory of 1300	1464	Uninstall.exe	30
PID 1464 wrote to memory of 1300	1464	Uninstall.exe	30
PID 1464 wrote to memory of 1300	1464	Uninstall.exe	30
PID 1464 wrote to memory of 1300	1464	Uninstall.exe	30
PID 1464 wrote to memory of 1300	1464	Uninstall.exe	30
PID 1464 wrote to memory of 1300	1464	Uninstall.exe	30

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:1464
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1300

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
53KB

MD5
4791c9c35258d61f72816160f84e2b4f

SHA1
b5e89e063a9e241ab711dacc7577a67b4786f227

SHA256
60e4073a1db111b9dbbb09bad8956e1e97938540c412b4f78579412c47db7507

SHA512
9ef2de0f904be73252c7ff0d9877953a880bbcd6f002e45f04788d4209544b6ec73b1401cfbe63c91ab73fc581c6a7cfc0a0a744481048bd5f15342b04fc9390

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