37e2570bb264439d9b5d2a0304b08561294d10ab4905e8cd25eb5ee4828432f5

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 10:16

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General

Target

wincr.dll
Size

671KB
MD5

2730df29ffd09125393452bea2fc7109
SHA1

9b83e1b375e2f6614e84ea2c3bdce127cc191f41
SHA256

449844d3497bb58c231051a95b9868a5854e90efe2a683f1fbe42541f9d768c7
SHA512

3b56394d2e3ff8466a00cddb09375057c1aedb5d5ef320a926052155ed3514e175ffcf816ec5d120f834d11cb303bd869ed294eaa9e225e0819ec106d960b0e6
SSDEEP

12288:FeUg6c/GuwcjRdBeoeZlVje1/TVk6q4NA:0Ug6cFdeZZlS/

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3232	2348	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 1448 wrote to memory of 2348	1448	rundll32.exe	82
PID 1448 wrote to memory of 2348	1448	rundll32.exe	82
PID 1448 wrote to memory of 2348	1448	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wincr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\wincr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 656
    3⤵
    - Program crash
    PID:3232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2348 -ip 2348
1⤵
PID:3092

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/2348-0-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/2348-1-0x00000000752C0000-0x000000007536F000-memory.dmp

Filesize
700KB

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