f6ee03256066200afa4e8e21880d5d7c0b49a4fbabd6e7503b1f1971b52677de

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 06:01

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General

Target

files/api-ms-win-core-processthreads-l1-1-0.dll
Size

20KB
MD5

39047e168ffbdd19185504633d6eca29
SHA1

fe3423689efedada19c7dec3d5dd077a057bf379
SHA256

611b3e36ad3e0045ab4170a5d4e2d05fd2a26dde2f7b09ea51f4264e263a544b
SHA512

8b7d38726e302cdcf5a296e50ccc969b2b122432b93e2b5d1d1f4c1b6c2b3a9b64af79bb65a7a9eac31f563ae60934458f9316dd5cbb071fb0a3ad180fac6103
SSDEEP

384:0Ok1JzNcKSIxW2hWFSUA0GftpBjluF3sBlvQyURz8o:0pcKSCUi++rvU2o

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1740	3156	WerFault.exe	83

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 4960 wrote to memory of 3156	4960	rundll32.exe	83
PID 4960 wrote to memory of 3156	4960	rundll32.exe	83
PID 4960 wrote to memory of 3156	4960	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\files\api-ms-win-core-processthreads-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\files\api-ms-win-core-processthreads-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 600
    3⤵
    - Program crash
    PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3156 -ip 3156
1⤵
PID:2912

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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