242d45f5768636258f25d282c74c933d2707fb13a7a54e893329ecc9e13ef50f

Analysis

max time kernel
90s
max time network
99s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
05-08-2024 17:05

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General

Target

setupV4.5/acwow64.dll
Size

37KB
MD5

94e972f7e5f6662dece2c435047d9fa0
SHA1

4f782489bd2cf9f3cf97a17dd2ab158d75022599
SHA256

99c6d28b981552f92341da34deee0a4e0212bfb76f0d5b29711331ad47b9ed25
SHA512

7c4dc945c9c69681cd72329696c9837d60c413bcc0b35429ebc3868bdb30b814e80ce36682cb97aca21130cfd963600631da59acbd3fe3de4fa1f735e16047c2
SSDEEP

768:+6cW1qHGnnU5yadOKjGfDVoHOqAQG2gcwO6:+6c6q2nedO2GfZoHOqm2gcwO6

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4864	3152	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 3152	3712	rundll32.exe	82
PID 3712 wrote to memory of 3152	3712	rundll32.exe	82
PID 3712 wrote to memory of 3152	3712	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\setupV4.5\acwow64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\setupV4.5\acwow64.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 468
    3⤵
    - Program crash
    PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3152 -ip 3152
1⤵
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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