a80296af58a26c2506ad9dfed68add23af8e2d346d88472fac8bef635ae26891

Analysis

max time kernel
94s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 23:05

Target

$PLUGINSDIR/nsExec.dll
Size

9KB
MD5

82b0a7c6a0eeecce2d36e6149a94a88c
SHA1

8765acf3d6a6948d2739715defb680a3afe3712d
SHA256

60f0b2bbca51892d82b3f7e7fe3483655f5962452e7affab6434dbbfb1acf4f7
SHA512

76dbe6852e3c2b7db1b6249ad55338288b5fb453f12e5130347bf59eeeb161ae7fccbde85aa716eafba1df8ebd0c83c4edc56a748d853fca558943cd4e82777f
SSDEEP

192:uzAjYYq8NUqpSXsGVPdIFub34hyaVyHGM:u7YPNUqpXmPkW4hyaVyHH

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2108 3488 WerFault.exe 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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2108	3488	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 5000 wrote to memory of 3488	5000	rundll32.exe	rundll32.exe
PID 5000 wrote to memory of 3488	5000	rundll32.exe	rundll32.exe
PID 5000 wrote to memory of 3488	5000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5000
- 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:3488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 612
    3⤵
    - Program crash
    PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3488 -ip 3488
1⤵
PID:4464

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/3488-0-0x000000006EB40000-0x000000006EB48000-memory.dmp

Filesize
32KB

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