General

  • Target
    Cypter Server v2.0.zip
  • Size 17.1MB
  • Sample260804-dmstyafk2s
  • SHA256 93ff00efa98418d5fac3064a6df9535b2f55d3236b827ab50957044532c90aa3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

C2
  • rickkkks-37632.portmap.host:37632

Attributes
  • Install_directory

    %AppData%

  • install_file

    RuntimeBroker.exe

Targets

    • Target
      Cypter Server v2.0.zip
    • Size 17.1MB
    • SHA256 93ff00efa98418d5fac3064a6df9535b2f55d3236b827ab50957044532c90aa3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Cypter Server v2.0/CrackedBySamuriCypter Server v2.0.1/CrackedBySamuriCypter.exe
    • Size 417KB
    • SHA256 26572eb18720ec0498b293bf9259e2d797e929946b9df2bd7f78a84fd833f814
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Target
      Cypter Server v2.0/CrackedBySamuriCypter Server v2.0.1/Ktama Crypter Server v2.0.1.exe.config
    • Size 1KB
    • SHA256 2726c7c722b8c87e8a9a15d7aad4d0fc80ac45de9f0e23a0ca4184d8fdae2f3b
    • MD5 SHA1 SHA512 TLSH
    • Target
      Cypter Server v2.0/CrackedBySamuriCypter Server v2.0.1/Ktama Crypter Server v2.0.1.png
    • Size 666KB
    • SHA256 fea09c08245115bcac9299658926a3065fb1fb90899ba143d32c9983150205d5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Cypter Server v2.0/CrackedBySamuriCypter Server v2.0.1/RuntimeBroker.exe
    • Size 60KB
    • SHA256 b082a9185b05574a00e75a6b0ca6c63a3b32567201f21a534db5e7d9c96d6eee
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Adds Run key to start application

    • Target
      Cypter Server v2.0/CrackedBySamuriCypter Server v2.0.1/Stub.exe
    • Size 288KB
    • SHA256 d1fae8efd7307828e323e9fa7e670b8faf31f80be730c8d4731f32a107265cdc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks