a5aa4b11083783859e22483391d4838d59a7fc74ad991fe04293a0ffd6fc3340

Analysis

max time kernel
91s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2025, 14:58

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General

Target

$PLUGINSDIR/nsExec.dll
Size

7KB
MD5

4c77a65bb121bb7f2910c1fa3cb38337
SHA1

94531e3c6255125c1a85653174737d275bc35838
SHA256

5e66489393f159aa0fd30b630bb345d03418e9324e7d834b2e4195865a637cfe
SHA512

df50eadf312469c56996c67007d31b85d00e91a4f40355e786536fc0336ac9c2fd8ad9df6e65ab390cc6f031aca28c92212ea23cc40eb600b82a63be3b5b8c04
SSDEEP

96:JXmkmwmHDqaRrlfAF4IUIqhmKv6vBckXK9wSBl8gvElHturnNQaSGYuHr2DCP:JAjRrlfA6Nv6eWIElNurnNQZGdHc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1420	5068	WerFault.exe	85

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 3 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 5068	2228	rundll32.exe	85
PID 2228 wrote to memory of 5068	2228	rundll32.exe	85
PID 2228 wrote to memory of 5068	2228	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 616
    3⤵
    - Program crash
    PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5068 -ip 5068
1⤵
PID:3656

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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