9a6fc943eb6c38877d615eb2cd6311f0543b22c6b694af463484a6856c0920c0

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 00:40

Target

$PLUGINSDIR/nsExec.dll
Size

8KB
MD5

b8be6632a7dc8136ff01338be40fe701
SHA1

043fa16929b2af5ed5c1c59b4035a10cf765fb43
SHA256

289786fe13801467653eb2712f47f162d6fd3fc2d844be342282f75fc2b2a085
SHA512

403474154ff8500e5aae2b4466c652e5d066af2c55d8f158e6f007492ceb1f3abcc6cca80842b90900db02db4258ddcda75dec1d1799af24969c35811891e5b8
SSDEEP

96:ovkNRhdXhG0CzpC6dsiFam4C026ebZT4MJlWD+RfEqL5Q4hTUVKJx3/:9Nnd9Cz86GVSmua+2qL5Q4h4VSp

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4644 3460 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
4644	3460	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 3840 wrote to memory of 3460	3840	rundll32.exe	rundll32.exe
PID 3840 wrote to memory of 3460	3840	rundll32.exe	rundll32.exe
PID 3840 wrote to memory of 3460	3840	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:3840
- 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:3460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 612
    3⤵
    - Program crash
    PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3460 -ip 3460
1⤵
PID:380

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/3460-0-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

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