20a45fa6c17c9e8461522886352a440c2c00a6a16075004f3d731876631c3696

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 20:28

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General

Target

$PLUGINSDIR/LhNsis.dll
Size

136KB
MD5

c7e90bf806485f29fd6a12d55cc9345b
SHA1

4c67092cc34e82c8a12d2992ed31393bc1af6ea9
SHA256

c91224d0a6beebc46fef20ce716852ccccc1cbb6f12f117ed2e45f83417b0f92
SHA512

b19fe4017475a22e83d26822bce9eb7406bbffebc3fe3b7faff4ecda1fd84f975405ad814c0f09c63b55174b4a940b818f534540334bcecf7e424d84eee7b646
SSDEEP

1536:wzH0M6rtzXdJmrITjO9SVIr8JpfNi9kRCgTfgelqmCemoHF6yLl7O4m+Yam4d:LfSrtUrpFi9kRrfg4qmVHllq5+YD4d

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	2712	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 2704 wrote to memory of 2712	2704	rundll32.exe	30
PID 2704 wrote to memory of 2712	2704	rundll32.exe	30
PID 2704 wrote to memory of 2712	2704	rundll32.exe	30
PID 2704 wrote to memory of 2712	2704	rundll32.exe	30
PID 2704 wrote to memory of 2712	2704	rundll32.exe	30
PID 2704 wrote to memory of 2712	2704	rundll32.exe	30
PID 2704 wrote to memory of 2712	2704	rundll32.exe	30
PID 2712 wrote to memory of 2776	2712	rundll32.exe	31
PID 2712 wrote to memory of 2776	2712	rundll32.exe	31
PID 2712 wrote to memory of 2776	2712	rundll32.exe	31
PID 2712 wrote to memory of 2776	2712	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LhNsis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LhNsis.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 228
    3⤵
    - Program crash
    PID:2776

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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