850f227ef098450656a0704b5507caba6bd1128de78ffc7ac037a4801716b497

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
04/02/2025, 08:49

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General

Target

$PLUGINSDIR/AdvSplash.dll
Size

6KB
MD5

e8b67a37fb41d54a7eda453309d45d97
SHA1

96be9bf7a988d9cea06150d57cd1de19f1fec19e
SHA256

2ad232bccf4ca06cf13475af87b510c5788aa790785fd50509be483afc0e0bcf
SHA512

20effae18eebb2df90d3186a281fa9233a97998f226f7adead0784fbc787feee419973962f8369d8822c1bbcdfb6e7948d9ca6086c9cf90190c8ab3ec97f4c38
SSDEEP

96:1IUNaXnnXyEIPtXvZhr5RwiULuxDtJ1+wolpE:1Ix3XyEwXvZh1RwnLUDtf+I

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2864	2808	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 2612 wrote to memory of 2808	2612	rundll32.exe	30
PID 2612 wrote to memory of 2808	2612	rundll32.exe	30
PID 2612 wrote to memory of 2808	2612	rundll32.exe	30
PID 2612 wrote to memory of 2808	2612	rundll32.exe	30
PID 2612 wrote to memory of 2808	2612	rundll32.exe	30
PID 2612 wrote to memory of 2808	2612	rundll32.exe	30
PID 2612 wrote to memory of 2808	2612	rundll32.exe	30
PID 2808 wrote to memory of 2864	2808	rundll32.exe	31
PID 2808 wrote to memory of 2864	2808	rundll32.exe	31
PID 2808 wrote to memory of 2864	2808	rundll32.exe	31
PID 2808 wrote to memory of 2864	2808	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 232
    3⤵
    - Program crash
    PID:2864

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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