076594565f1d85b9c868feeff4848b17c6ea5a35d74c838f9876d669367651ea

Analysis

max time kernel
99s
max time network
144s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
22-01-2025 02:03

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General

Target

wincr.dll
Size

691KB
MD5

9a8228f90ed236a1bd3921ba84b2b8a9
SHA1

15040812b5b49ea3171c921ae47328746ac1f98c
SHA256

5cfd086b45e6975f4eed393e08725b01a7c69894f7a7c89bf3bec7337fcc4264
SHA512

283066eda69749fb6d83e3b239a45d3d4d358dcfc1bcece023337413e99a8a6cbec27581e6c46cc0b9fd87837abb1b235e10b3912f0b23d2beec39d97786c3d0
SSDEEP

12288:7tSakCkI4M23WNcDK2r7nreK6RrrNEGyf:7tSPC7XNcDrr7nrPQrk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4488	1044	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 4368 wrote to memory of 1044	4368	rundll32.exe	83
PID 4368 wrote to memory of 1044	4368	rundll32.exe	83
PID 4368 wrote to memory of 1044	4368	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wincr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\wincr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 676
    3⤵
    - Program crash
    PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1044 -ip 1044
1⤵
PID:2860

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

Replay Monitor

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Downloads

memory/1044-0-0x00000000777F3000-0x00000000777F4000-memory.dmp

Filesize
4KB

Download
memory/1044-1-0x0000000075160000-0x0000000075214000-memory.dmp

Filesize
720KB

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