b661621e1cf3a319cf2793d2887634d2e8bbf736b9a77171fea35af6d07eee39

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 00:24

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

14KB
MD5

b18dfaded8f6d2380fdfd8f6b6969211
SHA1

969fa0e906240ab1123254feeb833c275626cf76
SHA256

747d0222b652dbfc85e0de4f8486473662d325a55e32c7eacb91e53e37ceba58
SHA512

25fb09b8657997d31e61c908f1cd08357c1a1b68bbb1ba377e87b6a3eb347a2ef96c1a771b6c4332853abb33728c55c83efa73df5da03f3dfc132f8a69a2886c
SSDEEP

192:66JaVGQ+xI5EeuyvMmGpeWH2J5xprN+AxTLK72dwF7dBdcQOz:66JaVh4I5rpPbTL+BdhO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2656	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 2280 wrote to memory of 2656	2280	rundll32.exe	30
PID 2280 wrote to memory of 2656	2280	rundll32.exe	30
PID 2280 wrote to memory of 2656	2280	rundll32.exe	30
PID 2280 wrote to memory of 2656	2280	rundll32.exe	30
PID 2280 wrote to memory of 2656	2280	rundll32.exe	30
PID 2280 wrote to memory of 2656	2280	rundll32.exe	30
PID 2280 wrote to memory of 2656	2280	rundll32.exe	30
PID 2656 wrote to memory of 2704	2656	rundll32.exe	31
PID 2656 wrote to memory of 2704	2656	rundll32.exe	31
PID 2656 wrote to memory of 2704	2656	rundll32.exe	31
PID 2656 wrote to memory of 2704	2656	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:2280
- 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:2656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 244
    3⤵
    - Program crash
    PID:2704

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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