cc492e79faadd2f1af46dc653c1887e1607c6e20575114cbea6f89e55e5fe5f5

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 07:35

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General

Target

$PLUGINSDIR/CityHash.dll
Size

43KB
MD5

737379945745bb94f8a0dadcc18cad8d
SHA1

6a1f497b4dc007f5935b66ec83b00e5a394332c6
SHA256

d3d7b3d7a7941d66c7f75257be90b12ac76f787af42cd58f019ce0280972598a
SHA512

c4a43b3ca42483cbd117758791d4333ddf38fa45eb3377f7b71ce74ec6e4d8b5ef2bfbe48c249d4eaf57ab929f4301138e53c79e0fa4be94dcbcd69c8046bc22
SSDEEP

768:cfXngOuwVTROMOZbPg9ao/wxsfJM3JuNUgo3:c/hPVTRBO9NJYMMno

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4564	5012	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 3552 wrote to memory of 5012	3552	rundll32.exe	83
PID 3552 wrote to memory of 5012	3552	rundll32.exe	83
PID 3552 wrote to memory of 5012	3552	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CityHash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CityHash.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 600
    3⤵
    - Program crash
    PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5012 -ip 5012
1⤵
PID:4088

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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