5a74a85d3204c8ee0bbe4bf5a158ce4c9d90f53b0f8004fa9046981877eb8850

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 20:03

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General

Target

$PLUGINSDIR/nsis7z.dll
Size

170KB
MD5

46e29660c591067e77276fa960625f57
SHA1

3c3206ec4415de4f09a2066a658fa12621e2ed74
SHA256

51f3274fcaf2ef42860f97bed95f407abc60ab31f81a42b38fb2ea1d9b0a434f
SHA512

ed7f9babcaa6244eb8f42350a522f75b5078b2854919e281215a4a4ef62ec4bb731a457f5da3a615419a575986eb96517a6c5238f65b2173138c7fd4ff122d83
SSDEEP

3072:/U9a+LOBZgLCJqPb83T6RhYI3Y3de57FjqFJL4A1QH9ykgt1c32pk:kaVUmcQGLYoY3KMlq9H8jk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	1924	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 1644 wrote to memory of 1924	1644	rundll32.exe	30
PID 1644 wrote to memory of 1924	1644	rundll32.exe	30
PID 1644 wrote to memory of 1924	1644	rundll32.exe	30
PID 1644 wrote to memory of 1924	1644	rundll32.exe	30
PID 1644 wrote to memory of 1924	1644	rundll32.exe	30
PID 1644 wrote to memory of 1924	1644	rundll32.exe	30
PID 1644 wrote to memory of 1924	1644	rundll32.exe	30
PID 1924 wrote to memory of 2520	1924	rundll32.exe	31
PID 1924 wrote to memory of 2520	1924	rundll32.exe	31
PID 1924 wrote to memory of 2520	1924	rundll32.exe	31
PID 1924 wrote to memory of 2520	1924	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 224
    3⤵
    - Program crash
    PID:2520

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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