0b1bbcb0197ca224707d9c51818e44d78d40e1964d1e7e8c016e1c87c0c71151

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 11:01

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General

Target

$PLUGINSDIR/System.dll
Size

18KB
MD5

2bd4ba3e08273bea5de1a34d9888fd58
SHA1

a1c89adb5b3aff6789ba0ffc613cfd26392931f5
SHA256

0975b58f740e61ff50081f0acb4d60f14938979de24616e8c28912b1b690612c
SHA512

f625a28f4a6070e35ad61f91c772178f23edf4826ef243746b51c3404609a7ff42e7d10074b55b0ca7ac42ff53a5d501ab00859b98a00011975cbb4f983903d1
SSDEEP

384:ZJoiO8V2upW7vQjS/WndpkEYPLjQSSeMdphi:ZJzO8V2uovQjxIE+og

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2896	2848	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2848	2880	rundll32.exe	30
PID 2880 wrote to memory of 2848	2880	rundll32.exe	30
PID 2880 wrote to memory of 2848	2880	rundll32.exe	30
PID 2880 wrote to memory of 2848	2880	rundll32.exe	30
PID 2880 wrote to memory of 2848	2880	rundll32.exe	30
PID 2880 wrote to memory of 2848	2880	rundll32.exe	30
PID 2880 wrote to memory of 2848	2880	rundll32.exe	30
PID 2848 wrote to memory of 2896	2848	rundll32.exe	31
PID 2848 wrote to memory of 2896	2848	rundll32.exe	31
PID 2848 wrote to memory of 2896	2848	rundll32.exe	31
PID 2848 wrote to memory of 2896	2848	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- 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:2848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 224
    3⤵
    - Program crash
    PID:2896

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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