dac651edd381388ce17e6c5a7c5f41c66a42530e6ce82e58745adbd3c2570b14

Analysis

max time kernel
132s
max time network
145s
platform
windows11-21h2_x64
resource
win11-20250217-en
resource tags

arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
submitted
18/02/2025, 17:53

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General

Target

mars/public/msvcp140.dll
Size

429KB
MD5

109f0f02fd37c84bfc7508d4227d7ed5
SHA1

ef7420141bb15ac334d3964082361a460bfdb975
SHA256

334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA512

46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
SSDEEP

12288:Mlp4PwrPTlZ+/wKzY+dM+gjZ+UGhUgiW6QR7t5s03Ooc8dHkC2es9oV:Mlp4PePozGMA03Ooc8dHkC2ecI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4644	1660	WerFault.exe	81

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 2904 wrote to memory of 1660	2904	rundll32.exe	81
PID 2904 wrote to memory of 1660	2904	rundll32.exe	81
PID 2904 wrote to memory of 1660	2904	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mars\public\msvcp140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\mars\public\msvcp140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 452
    3⤵
    - Program crash
    PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1660 -ip 1660
1⤵
PID:4284

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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