a482b141ccbb13ca7b366d409a8feaa27a120a67f23eb2f8eed5e068ff583489

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 02:14

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General

Target

$PLUGINSDIR/AdvSplash.dll
Size

6KB
MD5

7a514e97fb29eccff3c7ab5147f4de9a
SHA1

e573f6e51d26d5601c68b7370fa94a030e561a9f
SHA256

5e71559df5cbcc4d98ebd9d4ddffabe18b047f9a50d98a96e46a4c0ac589105c
SHA512

f320dd5b60c5f1a6cba69b399d32151ca13c2b10f873f0c3cc05c3f1707ca80b396c5fc71175269117e0a6c13e56c51b89ea1dee47879fcc62d29f6ea8087604
SSDEEP

96:0NcIcmLEjNev3O2obNnNlXUjDftqlqCstWpgwoS:xIpLSG3O9XX+qlqntWpg

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1540	1732	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 804 wrote to memory of 1732	804	rundll32.exe	30
PID 804 wrote to memory of 1732	804	rundll32.exe	30
PID 804 wrote to memory of 1732	804	rundll32.exe	30
PID 804 wrote to memory of 1732	804	rundll32.exe	30
PID 804 wrote to memory of 1732	804	rundll32.exe	30
PID 804 wrote to memory of 1732	804	rundll32.exe	30
PID 804 wrote to memory of 1732	804	rundll32.exe	30
PID 1732 wrote to memory of 1540	1732	rundll32.exe	31
PID 1732 wrote to memory of 1540	1732	rundll32.exe	31
PID 1732 wrote to memory of 1540	1732	rundll32.exe	31
PID 1732 wrote to memory of 1540	1732	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:804
- 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:1732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 232
    3⤵
    - Program crash
    PID:1540

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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