534c66c9756cc17d47fbfa9a7e3fd6adc63a79e5391e07a93ce3ceb947ef7003

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 04:50

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General

Target

PsfRuntime32.dll
Size

348KB
MD5

2f930c4a4290be73802a5d650d613203
SHA1

fd98498a18edba028b4f590e7bd618ab7790391d
SHA256

e4ed1603a409bbfe6b6cb2aed7bac31b4c2812011aed11622fe6a00128f8a3e7
SHA512

5369b746856059da218e757bee86436c7c53828cccb7931245e8a96a6429eee6cc884103ee4b1ef678a595ff889933b22e938154b5a31e425340c7845a57b247
SSDEEP

6144:LHbZrDKWIDz5zfPz418t1Ee6rTnlsykEV+UlIetAO97YH4bgH1QWlK:zlSWIDz5Dz4G6rTnlsI+UHb7Y71QSK

Score

3^/10

discovery

Malware Config

Signatures

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4548	2500	WerFault.exe	82
792	2500	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 848 wrote to memory of 2500	848	rundll32.exe	82
PID 848 wrote to memory of 2500	848	rundll32.exe	82
PID 848 wrote to memory of 2500	848	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PsfRuntime32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:848
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PsfRuntime32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 552
    3⤵
    - Program crash
    PID:4548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 824
    3⤵
    - Program crash
    PID:792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2500 -ip 2500
1⤵
PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2500 -ip 2500
1⤵
PID:2544

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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