84f2d273623efb6cdd126a89c1f9567e8977d21ffe684758dd722a27d2d53aa9

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
31-10-2024 00:00

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General

Target

PsfRuntime32.dll
Size

368KB
MD5

a9f0eeb621dd5883258113cc4b490929
SHA1

3c84cdde573eb0f94865f749d9095940cdef409e
SHA256

11d6916d6066e481f5d19bb503f654dcf9cac80aef818c2b52a2a1f0ca2efd5a
SHA512

336709007cb4723227f47ff153c99630209995315c8ecbbbe1ca24a48a133ed74ad6e557a123886dbb9a2022c752c67ef7c26524e6a59e8f0e125753a264c2fd
SSDEEP

6144:gkIVNQKH9HisvT9/taRJ9AONndrKV1UaMCk7KxAOOCyXjmw:gkIVDvT9/t6nAuEMjOxICQjmw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3436	848	WerFault.exe	80

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3540 wrote to memory of 848	3540	rundll32.exe	80
PID 3540 wrote to memory of 848	3540	rundll32.exe	80
PID 3540 wrote to memory of 848	3540	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PsfRuntime32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PsfRuntime32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 504
    3⤵
    - Program crash
    PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 848 -ip 848
1⤵
PID:3504

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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