75debdca3ee5cd6abb768f4b7777d9bfe060352f6e7648b0d6d34efbde76d0b9

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 15:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

75debdca3ee5cd6abb768f4b7777d9bfe060352f6e7648b0d6d34efbde76d0b9N.dll
Size

124KB
MD5

13f188a4a41faaccdbf688e4119653b0
SHA1

bae9822fdb0e1d81d50c50b0a26da4cfcec56674
SHA256

75debdca3ee5cd6abb768f4b7777d9bfe060352f6e7648b0d6d34efbde76d0b9
SHA512

7a9b2afb79f593c6cfdc6769e9d6f9a0e110625f59881abb5338d807d8acc20c65a616e2dc3acb036a9a356ab6cc857a1c4ebacaf7e867dc6504540c17fb6e2b
SSDEEP

1536:cl2+yK1zthSTnK9KKd12eJOouna6FGfly7TpSheh+qoAqha+ADr5tzulYY570EVb:/vK1zWTnKFPana6FxMxqnNzulH57B6

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\LanGuard\Parameters\ServiceDll = "%SystemRoot%\\System32\\LanGuard.dll"	rundll32.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 7 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2068	2100	rundll32.exe	31
PID 2100 wrote to memory of 2068	2100	rundll32.exe	31
PID 2100 wrote to memory of 2068	2100	rundll32.exe	31
PID 2100 wrote to memory of 2068	2100	rundll32.exe	31
PID 2100 wrote to memory of 2068	2100	rundll32.exe	31
PID 2100 wrote to memory of 2068	2100	rundll32.exe	31
PID 2100 wrote to memory of 2068	2100	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75debdca3ee5cd6abb768f4b7777d9bfe060352f6e7648b0d6d34efbde76d0b9N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\75debdca3ee5cd6abb768f4b7777d9bfe060352f6e7648b0d6d34efbde76d0b9N.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - System Location Discovery: System Language Discovery
  PID:2068

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost -k LanGuard
1⤵
PID:536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

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

Loading Replay Monitor...