8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
11/05/2026, 00:05

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General

Target
masScan_1.6/masScan_1.6/msvcr100.dll
Size 755KB
Sample260511-adn8lsbx9n
SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
MD5 0e37fbfa79d349d672456923ec5fbbe3
SHA1 4e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SHA512 2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
SSDEEP 12288:nMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BVoe3z:MmCy3KxW3ixPEmxsvGrm8Z6r+JQPzV7z
TLSH
T1D3F49D11B692C073C1B221300629D7B25D7BB8711035946BBBD59F3E1FB47C1EA277AA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3736	4320	WerFault.exe	86

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 1572 wrote to memory of 4320	1572	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\masScan_1.6\masScan_1.6\msvcr100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\masScan_1.6\masScan_1.6\msvcr100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 600
    3⤵
    - Program crash
    PID:3736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4320 -ip 4320
1⤵
PID:4492

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/4320-0-0x0000000000D90000-0x0000000000DD5000-memory.dmp

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