88065e1cf38a7c3a48c8a3d0de61bb2bd1167c65187074a3cd3ea269fe4c4dab

Analysis

max time kernel
91s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 11:09

Target

$PLUGINSDIR/System.dll
Size

29KB
MD5

26c8a92678f1b970ac2a700bb844c309
SHA1

c821a5980c31b0b35f1505cde836d6769f45e3a3
SHA256

2a7b5d1cab96a5280b0694d0ed54510129626a1ba36a51bd34d546972b7d18b8
SHA512

fba6e371853fd6c27097eb7cce7ffc59d71e4f0a9b5e55de06472d094b70c44a409bd82f39d9a27a814e826ab8468c59e947401a3c3ead1f057cbac236588860
SSDEEP

384:icchls/EvE2XYBVtQQA+S4n+7g6ZxlU7RfYkvIZMIwwH3Y9pyWediASIo:dmHckOVih+S/Fxq7v4H3YCoASIo

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

740 3824 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
740	3824	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4832 wrote to memory of 3824	4832	rundll32.exe	rundll32.exe
PID 4832 wrote to memory of 3824	4832	rundll32.exe	rundll32.exe
PID 4832 wrote to memory of 3824	4832	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 612
    3⤵
    - Program crash
    PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3824 -ip 3824
1⤵
PID:3480

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/3824-0-0x0000000074E10000-0x0000000074E1F000-memory.dmp

Filesize
60KB

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