237249055c3f8e6ddbc914e2a6e20585900258c43e0c803a39a27cb9dff18740

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 06:36

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General

Target

Modules/nls.dll
Size

150KB
MD5

9313c69d0faac7ae780aaf14745ae67b
SHA1

6e3c5e16420a4338658bf35216082d7245cfe249
SHA256

00433a00a278381a29e8a172df422b088415ea8c34cbc617d5cf9666f5e96bb1
SHA512

4622f472ba257cf84a2e31847723c2125a2e2083f1c4ed7ed584350e8e4bd075bbae35a04c19c668283cf6cec5390ff952b86919988e577eea48c5d1fcbfbe8a
SSDEEP

3072:o/w1bxOjPhv3+aQb4aXY61q+0fztlZQTOoHwwzKZ:v1bYjZ2aQbzFzItlZQBHs

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3832	912	WerFault.exe	82

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 3860 wrote to memory of 912	3860	rundll32.exe	82
PID 3860 wrote to memory of 912	3860	rundll32.exe	82
PID 3860 wrote to memory of 912	3860	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\nls.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\nls.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 604
    3⤵
    - Program crash
    PID:3832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 912 -ip 912
1⤵
PID:712

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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