5457130728efcd6db41743da0fe13140eb9a8cb19db71cc889aeb5306a8e0423

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 08:00

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General

Target

5457130728efcd6db41743da0fe13140eb9a8cb19db71cc889aeb5306a8e0423N.dll
Size

37KB
MD5

eb4df0026e43cd1d1735198cfdd06df0
SHA1

a06c8e9d5adb1da68b3321b683062ed344c7c772
SHA256

5457130728efcd6db41743da0fe13140eb9a8cb19db71cc889aeb5306a8e0423
SHA512

23772bb3799d1cae12870a7a1b9a82fbb048e80da7a03b499363b4fcf3675c61baa34576b0ca841ce55c75bbe8e05463ba0168614fbcd26067b624f8f812765a
SSDEEP

768:dD2KrzKWqGEpyKoMN8ldV6tjHahj7wI5OS3jqL:sv1oMy8jHaVEu5j

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 5 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 4712	3140	rundll32.exe	83
PID 3140 wrote to memory of 4712	3140	rundll32.exe	83
PID 3140 wrote to memory of 4712	3140	rundll32.exe	83
PID 4712 wrote to memory of 2000	4712	rundll32.exe	84
PID 4712 wrote to memory of 2000	4712	rundll32.exe	84
PID 4712 wrote to memory of 2000	4712	rundll32.exe	84
PID 2000 wrote to memory of 3012	2000	net.exe	86
PID 2000 wrote to memory of 3012	2000	net.exe	86
PID 2000 wrote to memory of 3012	2000	net.exe	86
PID 4712 wrote to memory of 3936	4712	rundll32.exe	87
PID 4712 wrote to memory of 3936	4712	rundll32.exe	87
PID 4712 wrote to memory of 3936	4712	rundll32.exe	87
PID 3936 wrote to memory of 1652	3936	net.exe	89
PID 3936 wrote to memory of 1652	3936	net.exe	89
PID 3936 wrote to memory of 1652	3936	net.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5457130728efcd6db41743da0fe13140eb9a8cb19db71cc889aeb5306a8e0423N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5457130728efcd6db41743da0fe13140eb9a8cb19db71cc889aeb5306a8e0423N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\net.exe
    net stop winss
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2000
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop winss
      4⤵
      System Location Discovery: System Language Discovery
      PID:3012
- - C:\Windows\SysWOW64\net.exe
    net stop OcHealthMon
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3936
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop OcHealthMon
      4⤵
      System Location Discovery: System Language Discovery
      PID:1652

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/4712-0-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/4712-1-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download