4d5b8d11a093fb86a961c2bf87aca48a4e2a27bc1dda6e79092691948a84a4b8

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-11-2024 14:15

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

fc90dfb694d0e17b013d6f818bce41b0
SHA1

3243969886d640af3bfa442728b9f0dff9d5f5b0
SHA256

7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512

324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6
SSDEEP

192:e/b2HS5ih/7i00eWz9T7PH6yeFcQMI5+Vw+EXWZ77dslFZk:ewSUmWw9T7MmnI5+/F7Kdk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2744 1428 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
2744	1428	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1996 wrote to memory of 1428	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1428	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1428	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1428	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1428	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1428	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1428	1996	rundll32.exe	rundll32.exe
PID 1428 wrote to memory of 2744	1428	rundll32.exe	WerFault.exe
PID 1428 wrote to memory of 2744	1428	rundll32.exe	WerFault.exe
PID 1428 wrote to memory of 2744	1428	rundll32.exe	WerFault.exe
PID 1428 wrote to memory of 2744	1428	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 228
    3⤵
    - Program crash
    PID:2744

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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