6d01b1aef349fe3875d0d5ef1b3270c542b8277c35c4a0be012895d80802322f

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 14:48

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

2b54369538b0fb45e1bb9f49f71ce2db
SHA1

c20df42fda5854329e23826ba8f2015f506f7b92
SHA256

761dcdf12f41d119f49dbdca9bcab3928bbdfd8edd67e314d54689811f9d3e2f
SHA512

25e4898e3c082632dfd493756c4cc017decbef43ffa0b68f36d037841a33f2a1721f30314a85597ac30c7ecc99b7257ea43f3a903744179578a9c65fcf57a8b7
SSDEEP

192:ibEOXfXZQ6i1AZ2q6grklcm/iaULQAos:ib/41AZN6uklckLUJo

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2168	3004	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 1872 wrote to memory of 3004	1872	rundll32.exe	30
PID 1872 wrote to memory of 3004	1872	rundll32.exe	30
PID 1872 wrote to memory of 3004	1872	rundll32.exe	30
PID 1872 wrote to memory of 3004	1872	rundll32.exe	30
PID 1872 wrote to memory of 3004	1872	rundll32.exe	30
PID 1872 wrote to memory of 3004	1872	rundll32.exe	30
PID 1872 wrote to memory of 3004	1872	rundll32.exe	30
PID 3004 wrote to memory of 2168	3004	rundll32.exe	31
PID 3004 wrote to memory of 2168	3004	rundll32.exe	31
PID 3004 wrote to memory of 2168	3004	rundll32.exe	31
PID 3004 wrote to memory of 2168	3004	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:1872
- 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:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 228
    3⤵
    - Program crash
    PID:2168

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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