11da00c279cb478e78cdb9be2a78571ac8365f7ffc2b5dcfff0ec88a179044c1

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
28-09-2024 06:28

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General

Target

$PLUGINSDIR/System.dll
Size

28KB
MD5

81e34f1c4b04a15dbce200c52f598f67
SHA1

f40a922ad7a5494e2aeeaa2b961d96738e888af7
SHA256

b89448b9fd7be5ef215cac6d973a57c0e75e1fffa25552afe174855c9b71fdf9
SHA512

577f52a292075269f0e8ec4c6d243b2ed411872e009839553020929a8263174ad97943f150543e4ea6cb327d95e227f4065441a9d2106b7cabf1cb872dbcc181
SSDEEP

384:xmEs6sVqQq0DwRiGUaLYuAXLaMoy4m973uwYkvZ6YfkzB8yy1Eiu8ILvFd/9:xmEwqZ2wRiGUcY8TBsdvEbB8yyvIJ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	4740	WerFault.exe	79

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 4548 wrote to memory of 4740	4548	rundll32.exe	79
PID 4548 wrote to memory of 4740	4548	rundll32.exe	79
PID 4548 wrote to memory of 4740	4548	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4548
- 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:4740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 460
    3⤵
    - Program crash
    PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4740 -ip 4740
1⤵
PID:4844

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/4740-0-0x0000000075520000-0x000000007552F000-memory.dmp

Filesize
60KB

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