40167bd3926c44e26bcab1d3f94e7abe35b882bb4826bb66e74ea0983e043259

Analysis

max time kernel
15s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 13:16

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

14KB
MD5

0dc0cc7a6d9db685bf05a7e5f3ea4781
SHA1

5d8b6268eeec9d8d904bc9d988a4b588b392213f
SHA256

8e287326f1cdd5ef2dcd7a72537c68cbe4299ceb1f820707c5820f3aa6d8206c
SHA512

814dd17ebb434f4a3356f716c783ab7f569f9ee34ce5274fa50392526925f044798f8006198ac7afe3d1c2ca83a2ca8c472ca53fec5f12bbfbbe0707abacd6b0
SSDEEP

192:n6d+dHXLHQOPiY53uiUdigyU+WsPdc/A1A+2jPK72dwF7dBEnbok:n6UdHXcIiY535zBt2jP+BEnbo

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	2364	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 2612 wrote to memory of 2364	2612	rundll32.exe	30
PID 2612 wrote to memory of 2364	2612	rundll32.exe	30
PID 2612 wrote to memory of 2364	2612	rundll32.exe	30
PID 2612 wrote to memory of 2364	2612	rundll32.exe	30
PID 2612 wrote to memory of 2364	2612	rundll32.exe	30
PID 2612 wrote to memory of 2364	2612	rundll32.exe	30
PID 2612 wrote to memory of 2364	2612	rundll32.exe	30
PID 2364 wrote to memory of 2568	2364	rundll32.exe	31
PID 2364 wrote to memory of 2568	2364	rundll32.exe	31
PID 2364 wrote to memory of 2568	2364	rundll32.exe	31
PID 2364 wrote to memory of 2568	2364	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:2612
- 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:2364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 248
    3⤵
    - Program crash
    PID:2568

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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