40649dd149d4111d826d35a21f4709b3804c697c60794e02c493e39b78041396

Analysis

max time kernel
134s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 20:56

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General

Target

$PLUGINSDIR/CustomnsWeb.dll
Size

42KB
MD5

f705fa42cb1edf73153cfe6bef657387
SHA1

24462c7b144ecb7778ca7a93b9e1dd62464ea81a
SHA256

39fefafc4ede6838061b804a44b0416ed4929c3c3ff9e64b1e0956186734094f
SHA512

d993d37b53b60a009021154e5032965c29789fbb8d7b0907dc0877f36abe5d7456a33a8e3111158ee82fd306d24d3aeabe81be776ca5d2f09b8413ff437aa936
SSDEEP

384:Rl9jSW3OJO9zbkU3UjVzU2QSvA5q/8Bigip:RHjxOJO95mVzjQCAU/S

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3760	4872	WerFault.exe	84

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 3620 wrote to memory of 4872	3620	rundll32.exe	84
PID 3620 wrote to memory of 4872	3620	rundll32.exe	84
PID 3620 wrote to memory of 4872	3620	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CustomnsWeb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CustomnsWeb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 664
    3⤵
    - Program crash
    PID:3760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4872 -ip 4872
1⤵
PID:2224

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

Replay Monitor

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Downloads

memory/4872-0-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/4872-1-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download