946a2052d912c6e80542bf98460f81c9ebf59580bd64e5635cf819294172721c

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/01/2025, 14:56

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General

Target

msidcrl40.dll
Size

784KB
MD5

f1f8d156bbdd5945a4f933ac7fa7cc41
SHA1

e581235e9f1a3a8a63b8a470eaed882bc93b9085
SHA256

344ac8e5debb1a496c3648f941801cdc6ffdfcc7eef8ed38e62270a2e20b1c3a
SHA512

86d799af3be251edecf6a552f473b94a0ba2d738b7b5f4a84c31bb34db4ea458f5e50090370bdf82f945e684dd5d66b88ebe3c902305bb0a435aca1331cb4ad9
SSDEEP

12288:oqjIhzdNvajtjz38HkZIbKnxPGlJsk7aMCr0:oqjIhzdNvkjGKe1q

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2136	2716	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2716	2236	rundll32.exe	30
PID 2236 wrote to memory of 2716	2236	rundll32.exe	30
PID 2236 wrote to memory of 2716	2236	rundll32.exe	30
PID 2236 wrote to memory of 2716	2236	rundll32.exe	30
PID 2236 wrote to memory of 2716	2236	rundll32.exe	30
PID 2236 wrote to memory of 2716	2236	rundll32.exe	30
PID 2236 wrote to memory of 2716	2236	rundll32.exe	30
PID 2716 wrote to memory of 2136	2716	rundll32.exe	31
PID 2716 wrote to memory of 2136	2716	rundll32.exe	31
PID 2716 wrote to memory of 2136	2716	rundll32.exe	31
PID 2716 wrote to memory of 2136	2716	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msidcrl40.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msidcrl40.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 260
    3⤵
    - Program crash
    PID:2136

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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