45b6ccc9ef099824147337d1896abae64507649e52ae989332ef07dd60c1f748

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 01:19

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

13KB
MD5

d765c492c21689e3d9d61634371fd861
SHA1

ac200933671ae52c9d5544d0e2e8e9144d286c83
SHA256

551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
SHA512

9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f
SSDEEP

192:9B6RvrfvOuJQDghBy/X7QKq3TLGciZJf0EzWzMnz6WoF1dBs:v6RrviWaX7eiZJ7nz6bB

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process
2556	2972	WerFault.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

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 3052 wrote to memory of 2972	3052	rundll32.exe	30
PID 3052 wrote to memory of 2972	3052	rundll32.exe	30
PID 3052 wrote to memory of 2972	3052	rundll32.exe	30
PID 3052 wrote to memory of 2972	3052	rundll32.exe	30
PID 3052 wrote to memory of 2972	3052	rundll32.exe	30
PID 3052 wrote to memory of 2972	3052	rundll32.exe	30
PID 3052 wrote to memory of 2972	3052	rundll32.exe	30
PID 2972 wrote to memory of 2556	2972	rundll32.exe	31
PID 2972 wrote to memory of 2556	2972	rundll32.exe	31
PID 2972 wrote to memory of 2556	2972	rundll32.exe	31
PID 2972 wrote to memory of 2556	2972	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- 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:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 244
    3⤵
    - Program crash
    PID:2556

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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