95b5e406076f91d18308b58cbf07dfabc6e6df6cda1570af76d61385d7c32019

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 11:44

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

c6f5b9596db45ce43f14b64e0fbcf552
SHA1

665a2207a643726602dc3e845e39435868dddabc
SHA256

4b6da3f2bdb6c452fb493b98f6b7aa1171787dbd3fa2df2b3b22ccaeac88ffa0
SHA512

8faa0204f9ed2721acede285be843b5a2d7f9986841bcf3816ebc8900910afb590816c64aebd2dd845686daf825bbf9970cb4a08b20a785c7e54542eddc5b09a
SSDEEP

192:qADKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQbVUSF:qAViJrtFRdbmXK8+WVUw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3044	1640	WerFault.exe	84

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 3696 wrote to memory of 1640	3696	rundll32.exe	84
PID 3696 wrote to memory of 1640	3696	rundll32.exe	84
PID 3696 wrote to memory of 1640	3696	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3696
- 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:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 612
    3⤵
    - Program crash
    PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1640 -ip 1640
1⤵
PID:1728

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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