f859c3a644806fe157f111ebd649102c6ce5c6a6c5612b6b86d0484509b6258f

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2025, 01:44

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General

Target

f859c3a644806fe157f111ebd649102c6ce5c6a6c5612b6b86d0484509b6258f.dll
Size

195KB
MD5

a35bec80a2f90ab98cac64dd7f34d9e3
SHA1

bc166451d59084542cc022923ef6bd65972b734b
SHA256

f859c3a644806fe157f111ebd649102c6ce5c6a6c5612b6b86d0484509b6258f
SHA512

118382f1b53d7b08e6dac140e49211910ac7a0ea0d451e48b4e28c4e909b4dae1d7a608e032de0427e42a528712b8c49d535d3db1e57c61d64b0f3409701d876
SSDEEP

3072:a/OAJfleMyWZoskV7W70SqWiyeSSHdOaHW0jt5vUH:vQlSVi76aS9f20jXvUH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
384	2936	WerFault.exe	85

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 1772 wrote to memory of 2936	1772	rundll32.exe	85
PID 1772 wrote to memory of 2936	1772	rundll32.exe	85
PID 1772 wrote to memory of 2936	1772	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f859c3a644806fe157f111ebd649102c6ce5c6a6c5612b6b86d0484509b6258f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f859c3a644806fe157f111ebd649102c6ce5c6a6c5612b6b86d0484509b6258f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 664
    3⤵
    - Program crash
    PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2936 -ip 2936
1⤵
PID:5004

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

Windows 7 deprecation

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