2b0a81c38f8a50530de18c0ff5f207739262155a4a309eac3d10f24e5079e7d1

Analysis

max time kernel
435s
max time network
1155s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
11/11/2024, 17:29

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General

Target

WinPcapInstall.dll
Size

91KB
MD5

e78291558cb803dfd091ad8fb56feecc
SHA1

4bde2f87e903fe8d3bd80179c5584cec7a8cbdc4
SHA256

d9f4cd9f0e1bc9a138fb4da6f83c92c3e86eb3de4f988d5943d75c9b1dc6bb9d
SHA512

042b96bc2c0e6d8b6e2730426938eb7400fd833be8a108a4942f559fedefabc35fd5dcb7ea1898d377b4382c0a9af8eeeebd663a4c852c706e3bd168c1f1f62f
SSDEEP

1536:s7xjrG5m+619YG7L2xo8JfmL4iMtgLZtAeYjFH:s7s27yaL4kVtAeE9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3884	856	WerFault.exe	80

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 924 wrote to memory of 856	924	rundll32.exe	80
PID 924 wrote to memory of 856	924	rundll32.exe	80
PID 924 wrote to memory of 856	924	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\WinPcapInstall.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\WinPcapInstall.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 480
    3⤵
    - Program crash
    PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 856 -ip 856
1⤵
PID:2192

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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