9b3992193d3661c3605576230693556cb76e202be8d084e5a0548b328ee7afef

Analysis

max time kernel
92s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 22:48

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General

Target

PBWS32.dll
Size

38KB
MD5

410d09e8cd553a560386c5a76f265cf5
SHA1

30488587ce89e56f21ea9da7d3b172d93decae0f
SHA256

8e55f3ed041daf39b531b20f4607111f2175dea1ddcbb0645b07c5fc808ed240
SHA512

029c06457ef5b41f75dd7640e8d8c9eb663b9e190d977e9dbccfc8ff5181dc0b9d39cf4d72b4defd6542f0c0890e775f2d4cf974a6074b5f5009d5e29729f3ba
SSDEEP

768:pngliMfJPJ3qSGA+LPBVAx8Lb2AUCTMz2a7easJ:vm3hG5LPB+EU/zfyaw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4148 3768 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
4148	3768	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3964 wrote to memory of 3768	3964	rundll32.exe	rundll32.exe
PID 3964 wrote to memory of 3768	3964	rundll32.exe	rundll32.exe
PID 3964 wrote to memory of 3768	3964	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PBWS32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PBWS32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 616
    3⤵
    - Program crash
    PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3768 -ip 3768
1⤵
PID:3240

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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