9b3992193d3661c3605576230693556cb76e202be8d084e5a0548b328ee7afef

Analysis

max time kernel
11s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 22:48

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General

Target

$PLUGINSDIR/advsplash.dll
Size

5KB
MD5

669030d7919ae29999a2fd89aa427202
SHA1

870bcb7e87bbf423abcbc1c5be80f7e63720a6d8
SHA256

e1ae0a39d4d941cdfaf87f1df87f7ec50146e2e32705254e4d3618f74506bb82
SHA512

1637b854938c6b05938a3a6a06181ae70e23f6cc9a4bca4f8024db65314771197ae3d5008c83dd480ede7fec14d655dae15f439e327fc33c7b70853710621e8f
SSDEEP

96:yqNXqwK188CgAtXvZBkjDf0yf9ysrtWp/wol:yAqrg1XvZB6kYtWp/

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2220 888 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2220	888	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2352 wrote to memory of 888	2352	rundll32.exe	rundll32.exe
PID 2352 wrote to memory of 888	2352	rundll32.exe	rundll32.exe
PID 2352 wrote to memory of 888	2352	rundll32.exe	rundll32.exe
PID 2352 wrote to memory of 888	2352	rundll32.exe	rundll32.exe
PID 2352 wrote to memory of 888	2352	rundll32.exe	rundll32.exe
PID 2352 wrote to memory of 888	2352	rundll32.exe	rundll32.exe
PID 2352 wrote to memory of 888	2352	rundll32.exe	rundll32.exe
PID 888 wrote to memory of 2220	888	rundll32.exe	WerFault.exe
PID 888 wrote to memory of 2220	888	rundll32.exe	WerFault.exe
PID 888 wrote to memory of 2220	888	rundll32.exe	WerFault.exe
PID 888 wrote to memory of 2220	888	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\advsplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- 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:888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 888 -s 236
    3⤵
    - Program crash
    PID:2220

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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