a262709e7106b38268ab03e8f2daa4c36dc29c30412548ed9dc070e3cc1e36a2

Analysis

max time kernel
94s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 21:43

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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
4588	3648	WerFault.exe	83

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 4844 wrote to memory of 3648	4844	rundll32.exe	83
PID 4844 wrote to memory of 3648	4844	rundll32.exe	83
PID 4844 wrote to memory of 3648	4844	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CustomnsWeb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4844
- 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:3648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 664
    3⤵
    - Program crash
    PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3648 -ip 3648
1⤵
PID:64

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/3648-0-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/3648-1-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

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