042991f7f981823eda18b9b0ba6706dcdbce22247a2baa974efb236844ee953b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/08/2026, 01:57

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General

Target
042991f7f981823eda18b9b0ba6706dcdbce22247a2baa974efb236844ee953b.dll
Size 3.1MB
Sample260805-cdkljatvb1
SHA256 042991f7f981823eda18b9b0ba6706dcdbce22247a2baa974efb236844ee953b
MD5 4f0d2b637c6b9e74b2501c85e1c1619d
SHA1 f69dee17f5a9bb71a89233912636c793f92e3d42
SHA512 a5adb0a444cf98f311311c9236c5b9a06334e3aec2ad79cdb4261e728f778f3f1975984adc66db8e7a2c81409b8c3dec39c9a188a5878a4ae13f48251574a653
SSDEEP 49152:Vh+L1XEyJLLyEZQScZcxmlD0Z9D8xRTzzVpg88TFN:T+eyl+t/0ZufC
TLSH
T14DE55C23B389293AF06B16394937E6505C3FBAB26516DC5FA6F0184C4F3D5402E3E69B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1420	1536	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 1 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 1536	2100	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\042991f7f981823eda18b9b0ba6706dcdbce22247a2baa974efb236844ee953b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\042991f7f981823eda18b9b0ba6706dcdbce22247a2baa974efb236844ee953b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 648
    3⤵
    - Program crash
    PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1536 -ip 1536
1⤵
PID:1816

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

Replay Monitor

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Downloads

memory/1536-0-0x0000000000400000-0x0000000000722000-memory.dmp

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