Resubmissions

23-05-2024 09:35

240523-lkmh5scb37 10

28-04-2024 14:29

240428-rth5zahg49 10

General

  • Target

    LockBit-Black-Builder-main.zip

  • Size

    1.7MB

  • MD5

    4fb693236754d28c43d3123b555ae740

  • SHA1

    d3d6f0aa6068e9b2b9b47875bc13500392494421

  • SHA256

    f566f21f3db0c4a9f421f18e6561279b4dd4c5fd3c32456a6f2e5b927b49719d

  • SHA512

    ba81e0077f8dfbcbe58eda07d5b403089a71d56ae33578ba07abb7101c6254c9a7e042af2c0ede74b12fa142731c0ce638e7a98fd620e910bad7fbbdba710383

  • SSDEEP

    49152:Qm7iJLGvI8SbLm7S8lMA7DAJRxZ73a9VlknZbQT9:6JqgjiL+WEJRx6QZbQh

Score
10/10

Malware Config

Extracted

Family

blackmatter

Version

25.239

Extracted

Family

blackmatter

Version

65.239

Signatures

  • Blackmatter family
  • Lockbit family
  • Rule to detect Lockbit 3.0 ransomware Windows payload 8 IoCs
  • Unsigned PE 16 IoCs

    Checks for missing Authenticode signature.

Files

  • LockBit-Black-Builder-main.zip
    .zip
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build.bat
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/DECRYPTION_ID.txt
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
    .exe windows:5 windows x86 arch:x86

    914685b69f2ac2ff61b6b0f1883a054d


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
    .exe windows:5 windows x86 arch:x86

    4585cfc85e0cd554d6b5d4bf1bb3d5e4


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
    .dll windows:5 windows x86 arch:x86

    07530c85f3bf8d18d55bc566a43ea905


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
    .dll windows:5 windows x86 arch:x86

    d5feac3e94d92e4c2e9fe14f1f783fd7


    Headers

    Imports

    Exports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
    .dll windows:5 windows x86 arch:x86

    d5feac3e94d92e4c2e9fe14f1f783fd7


    Headers

    Imports

    Exports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
    .exe windows:5 windows x86 arch:x86

    914685b69f2ac2ff61b6b0f1883a054d


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/Password_dll.txt
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/Password_exe.txt
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/priv.key
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/pub.key
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/builder.exe
    .exe windows:5 windows x86 arch:x86

    d2e26e45dcb84f1062f90f29a9cf0faa


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/config.json
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/keygen.exe
    .exe windows:5 windows x86 arch:x86

    73eeda700d0a0376845c61c44155f4a8


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build.bat
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/DECRYPTION_ID.txt
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
    .exe windows:5 windows x86 arch:x86

    41fb8cb2943df6de998b35a9d28668e8


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
    .exe windows:5 windows x86 arch:x86

    4585cfc85e0cd554d6b5d4bf1bb3d5e4


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
    .dll windows:5 windows x86 arch:x86

    b1826e7d9522633dc1f4953f25424ce3


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
    .dll windows:5 windows x86 arch:x86

    b750c147c0bcc8b349e4f1143ac1432e


    Headers

    Imports

    Exports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
    .dll windows:5 windows x86 arch:x86

    b750c147c0bcc8b349e4f1143ac1432e


    Headers

    Imports

    Exports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
    .exe windows:5 windows x86 arch:x86

    41fb8cb2943df6de998b35a9d28668e8


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/Password_dll.txt
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/Password_exe.txt
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/priv.key
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/pub.key
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/builder.exe
    .exe windows:5 windows x86 arch:x86

    d2e26e45dcb84f1062f90f29a9cf0faa


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/config.json
  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/keygen.exe
    .exe windows:5 windows x86 arch:x86

    73eeda700d0a0376845c61c44155f4a8


    Headers

    Imports

    Sections

  • LockBit-Black-Builder-main/LockBit-Black-Builder-main/README.md