Analysis

  • max time kernel
    93s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 01:10

General

  • Target

    ransom/Build/LB3_Rundll32_pass.dll

  • Size

    140KB

  • MD5

    3c0c5293d4910194216662891d526e5a

  • SHA1

    0eecd385148a15bd26b4310f6e033f2210e36366

  • SHA256

    4c88ab29cac1be9a88d6c06f9544eed817685784e2c3fd46b4192cdc4d4e2834

  • SHA512

    56c6cfbf22b21de3f06b0a9ed4197d6ff4e62c701b14c27aa5b4d91fabb1c97b63f8e4384efebea26d5ba0d9d9d1cdd8d1f4ae16137ead4c9398f0ceecc2978a

  • SSDEEP

    3072:IyOP+K2O8hstIRx8iaXnnf70ZS1cMSNUNPtMNmG+kXYX:IyOzP4f8ia3wZacMSMPtMu

Malware Config

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Lockbit family
  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ransom\Build\LB3_Rundll32_pass.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ransom\Build\LB3_Rundll32_pass.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/5056-0-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB