465b8f5ad5fd83b03692297160e4b187aba0c20df0afa1130e45f4d9d4dac8e4

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01-02-2025 01:55

250201-cb476a1khv 10

07-01-2025 00:03

250107-acdeqatrax 10

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
01-02-2025 01:55

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General

Target

wincr.dll
Size

683KB
MD5

e41e2b47fe05aa5155cb079c4118ccdc
SHA1

403b2653bfb04fa4bb151b10183e354e322b7b8e
SHA256

196696b311241febe7f706082bbce27ba0657c604f4fb54c83000d7454d537dd
SHA512

4ad49ee1a4a2b79e507f6bcfde9a525972c49523f2b17c8c98a8fcca1e47e05f3ea0c8d15038cf32f1e49cf639152cd2364c24e5c53eb1c8c366d830a67cee49
SSDEEP

6144:bcMM/MYGMW+ucnrXcmcXN9KFBFJov6X7PDMXwoKrx98pXa9/mHRTZ7ndmlkH5+TY:eE+/NbzxYaaH5

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1252	2428	WerFault.exe	77

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 796 wrote to memory of 2428	796	rundll32.exe	77
PID 796 wrote to memory of 2428	796	rundll32.exe	77
PID 796 wrote to memory of 2428	796	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wincr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\wincr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 496
    3⤵
    - Program crash
    PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2428 -ip 2428
1⤵
PID:844

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/2428-0-0x00000000774D4000-0x00000000774D5000-memory.dmp

Filesize
4KB

Download
memory/2428-1-0x0000000074E00000-0x0000000074EB2000-memory.dmp

Filesize
712KB

Download