ad766d035f625ba652513e2867faf90806c9f0c3048174e24f736d05fe9f6f0f

Analysis

max time kernel
94s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 04:35

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General

Target

$PLUGINSDIR/AdvSplash.dll
Size

6KB
MD5

a1bba35c752b36f575350cb7ddf238e4
SHA1

9603b691ae71d4fbc7a14dbb837bd97cecac8aab
SHA256

0667863d71a3021ab844069b6dd0485f874bf638af478ab11c6fb8b7d6c834b6
SHA512

eb5d3498dd994bec42a437cf91343665d3c35bfe3f6277a7393af6a0b8348772c3166d9be48955edddf6ef79fa508ec8d4f96d7d5df37ecdc52c90042e0a2967
SSDEEP

96:6ONSXIcmYjkvTS6MnBNZ1BMjDfhkkEkkXstWpiwoS:sXIpzTSd1BSk/kJtWpi

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
744	2600	WerFault.exe	83

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 1476 wrote to memory of 2600	1476	rundll32.exe	83
PID 1476 wrote to memory of 2600	1476	rundll32.exe	83
PID 1476 wrote to memory of 2600	1476	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 616
    3⤵
    - Program crash
    PID:744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2600 -ip 2600
1⤵
PID:3728

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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