Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2024 16:14

General

  • Target

    LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll

  • Size

    148KB

  • MD5

    1cf36fecacae95acaed46247090fd4b6

  • SHA1

    4dcf048521b7c8fcba54d20f06be6ea60131bce1

  • SHA256

    6eb4d985a52554d37c0efec1457258e4dfd4619ff0396c66e2f9a02d8381ce57

  • SHA512

    7b6c660245ed236a12e4c7e36e30283b5d2736de2d419da60d4ab584016de24dd40f7c4d407c5a4cee3c1995d136a775f72ed2ca16c911d75a2c9c2f4b57a99c

  • SSDEEP

    3072:TTmYfHnIUoQ3+Cv9y5esf+Ieva3YVxz8jZGhjhjGI:TBvn3+WnSev7VujMzf

Score
10/10

Malware Config

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32_pass.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32_pass.dll,#1
      2⤵
        PID:2320

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2320-0-0x0000000010000000-0x0000000010029000-memory.dmp

      Filesize

      164KB

    • memory/2320-1-0x0000000010000000-0x0000000010029000-memory.dmp

      Filesize

      164KB