061f3fc874ee08b1d49b72ccbf18042e8a2b3826e6148d26541ee4b2568ce43c

Analysis

max time kernel
92s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 02:45

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General

Target

Modules/nls.dll
Size

150KB
MD5

f8d4328ec95e1c9c2da90a40afca7fc5
SHA1

365f1e0be60f9409a5011ca52ffded27a4958317
SHA256

d7f5649ca516c6a6e49adc09d21822e00577638132e88a1e7ffe37fe10cca323
SHA512

a3abf56de3f602cbbb64da70102226414c5b87e28577a41f7232f10135b320cf4191da7a10b3d0ed2820775baa2e24c0001b8eacbb035594131f58ee4e313ffe
SSDEEP

3072:p/w1bxOjPhv3+aQb4aXY61y+gfztlZQTOLHwwrx:S1bYjZ2aQbzFTktlZQKH1

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4404	3408	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 4844 wrote to memory of 3408	4844	rundll32.exe	83
PID 4844 wrote to memory of 3408	4844	rundll32.exe	83
PID 4844 wrote to memory of 3408	4844	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\nls.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4844
- 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:3408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 604
    3⤵
    - Program crash
    PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3408 -ip 3408
1⤵
PID:3504

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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