20f8b45d691761fe77abc98d4cc177eeca5285508bede224998f238bf41a9f6d

Analysis

max time kernel
12s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 09:53

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

13KB
MD5

72862ffef9009b6fb8612da1ad0a5c6d
SHA1

c11ac4e0ec4da3045bcd8f13a2f316091e44a960
SHA256

4d9256ed7156a541a336f44b9fac8ef9e5b5b787abbbc68297b455a79d2bfdbe
SHA512

796ba8d70c7373275b5e4ed0a5a1f91e0809b65e2a942c56cad9f7e941c62e24608c924c53a6fac4b1431cdcf24d9f8e15b8356dd085098706b16d947330bc40
SSDEEP

192:1znbcLwcLP4wuoId0pdafRbUjuNey3YG/1vpEcDFC1Ac1W:17bWLw3IsJojEey3YMpEcDF

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	1648	WerFault.exe	29

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 2556 wrote to memory of 1648	2556	rundll32.exe	29
PID 2556 wrote to memory of 1648	2556	rundll32.exe	29
PID 2556 wrote to memory of 1648	2556	rundll32.exe	29
PID 2556 wrote to memory of 1648	2556	rundll32.exe	29
PID 2556 wrote to memory of 1648	2556	rundll32.exe	29
PID 2556 wrote to memory of 1648	2556	rundll32.exe	29
PID 2556 wrote to memory of 1648	2556	rundll32.exe	29
PID 1648 wrote to memory of 2712	1648	rundll32.exe	30
PID 1648 wrote to memory of 2712	1648	rundll32.exe	30
PID 1648 wrote to memory of 2712	1648	rundll32.exe	30
PID 1648 wrote to memory of 2712	1648	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 248
    3⤵
    - Program crash
    PID:2712

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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