66aa0c03391ee652cb25383055da60ae88ea9c882cc191112edc45e666c6520e

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28/10/2024, 11:52

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

5b3edb39fe9c026322caf37ea10f6733
SHA1

3caf8b5b38feb87bfeb0e01e59d4e36f110c9e9e
SHA256

a96b1c95f51b088ed5ec476485a6aa562cbe68a88d0261ce88bcb3dca1f1c8b0
SHA512

7930e12c72744c9cf5e2f9b93236526289ed3f9773b92c865228ad33ab45d64e73ee5604a74e49630e066d802a5ca4602d4b986131d267ce17a8ce5d3b5f054c
SSDEEP

384:EfC43tPegZ3eBaRwCPOYY7nNYXC7/Yosa:EKTgZ3eBTCmrnNAh

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1796	1892	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 2344 wrote to memory of 1892	2344	rundll32.exe	30
PID 2344 wrote to memory of 1892	2344	rundll32.exe	30
PID 2344 wrote to memory of 1892	2344	rundll32.exe	30
PID 2344 wrote to memory of 1892	2344	rundll32.exe	30
PID 2344 wrote to memory of 1892	2344	rundll32.exe	30
PID 2344 wrote to memory of 1892	2344	rundll32.exe	30
PID 2344 wrote to memory of 1892	2344	rundll32.exe	30
PID 1892 wrote to memory of 1796	1892	rundll32.exe	31
PID 1892 wrote to memory of 1796	1892	rundll32.exe	31
PID 1892 wrote to memory of 1796	1892	rundll32.exe	31
PID 1892 wrote to memory of 1796	1892	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:2344
- 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:1892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 244
    3⤵
    - Program crash
    PID:1796

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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