759d950e1ebe7b6914dd31c15868f08869fb1bdffd47825caee0e50dbfce2929

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 22:41

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

a272bc9b9df701ef76ed5faf08925b17
SHA1

f2977303d12ba7af38dceb8e5e7ff1c15553211e
SHA256

08b89132344dad1b0357ca0b442e9aaaff979e6a87b9603c19b86934f455285b
SHA512

9ebb0c4b995309a40f1cee05967ef722972baa97b17194bb306fe7c01ea98c058d9485846c55e40601c17e7f2f73a8e5cd74cd9162a046fd4427dbfc7eb0501e
SSDEEP

96:/6spqRy5AOEEQsh+WvDRH3spzQreUvhiT4uF3Telac1nIq4i:/Y0AOEMh+Wv9cZQKUvkTjlaB1nIqH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1980	2380	WerFault.exe	31

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 1960 wrote to memory of 2380	1960	rundll32.exe	31
PID 1960 wrote to memory of 2380	1960	rundll32.exe	31
PID 1960 wrote to memory of 2380	1960	rundll32.exe	31
PID 1960 wrote to memory of 2380	1960	rundll32.exe	31
PID 1960 wrote to memory of 2380	1960	rundll32.exe	31
PID 1960 wrote to memory of 2380	1960	rundll32.exe	31
PID 1960 wrote to memory of 2380	1960	rundll32.exe	31
PID 2380 wrote to memory of 1980	2380	rundll32.exe	32
PID 2380 wrote to memory of 1980	2380	rundll32.exe	32
PID 2380 wrote to memory of 1980	2380	rundll32.exe	32
PID 2380 wrote to memory of 1980	2380	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 224
    3⤵
    - Program crash
    PID:1980

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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