f5c243a79f932437646c24e5cf1c73cd1f03f7478cd1cde8b829ebc2f9a3f784

Analysis

max time kernel
101s
max time network
105s
platform
windows11-21h2_x64
resource
win11-20250411-en
resource tags

arch:x64arch:x86image:win11-20250411-enlocale:en-usos:windows11-21h2-x64system
submitted
21/04/2025, 19:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f5c243a79f932437646c24e5cf1c73cd1f03f7478cd1cde8b829ebc2f9a3f784.dll
Size

196KB
MD5

35ae76ae0eaf2f1fdcb0b0208cbafe47
SHA1

dbb997d88973370e062352d73a8eb0bc91c2349f
SHA256

f5c243a79f932437646c24e5cf1c73cd1f03f7478cd1cde8b829ebc2f9a3f784
SHA512

6f2b6e2e8c175014d89433c17b4cc31d3c1c82d3cfffda2e34a24dc01eab97440bfd6e4c3e1245cd163bcec31804cd8b27f94a863db9dc78ddfea93e27c62c99
SSDEEP

3072:5Jwy4Y+83PrXIK6HwVt88IN/3XYvtB2L1DsaTHkxkT3:5Jwy4V83PrXly8IpojGp3

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1800	1680	WerFault.exe	78

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 3844 wrote to memory of 1680	3844	rundll32.exe	78
PID 3844 wrote to memory of 1680	3844	rundll32.exe	78
PID 3844 wrote to memory of 1680	3844	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5c243a79f932437646c24e5cf1c73cd1f03f7478cd1cde8b829ebc2f9a3f784.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5c243a79f932437646c24e5cf1c73cd1f03f7478cd1cde8b829ebc2f9a3f784.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 488
    3⤵
    - Program crash
    PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1680 -ip 1680
1⤵
PID:2868

Network

MITRE ATT&CK Enterprise v16

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 v16

Replay Monitor

Loading Replay Monitor...

Downloads