Analysis

  • max time kernel
    92s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 02:50

General

  • Target

    2024-04-11_e7c3a15709a0a7157cf7c14017567d31_mafia.exe

  • Size

    316KB

  • MD5

    e7c3a15709a0a7157cf7c14017567d31

  • SHA1

    07fe7b48818e38606d42be8a62cf101b9233c825

  • SHA256

    379d76bd46da9e8504e350202dde9d1d6f04903d0b81522a54166e0e1c34da73

  • SHA512

    bbc190403409f34e34f1fa3075cf02a2876cecddb1732f5552d7199ecce774ba67ea28e7a6a786762c1d2b477ffaaa37d82feef0a108d5aa4f4bb1c0aed7fd21

  • SSDEEP

    6144:YvEC5MO1UnseVgkV0xwvfxnhLTiusLe1740G:34M0Unsna5mut40G

Malware Config

Signatures

  • GandCrab payload 2 IoCs
  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

  • Detects Reflective DLL injection artifacts 2 IoCs
  • Detects ransomware indicator 1 IoCs
  • Gandcrab Payload 2 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious use of SetWindowsHookAW 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-11_e7c3a15709a0a7157cf7c14017567d31_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-11_e7c3a15709a0a7157cf7c14017567d31_mafia.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of SetWindowsHookAW
    PID:4724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 488
      2⤵
      • Program crash
      PID:808
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4724 -ip 4724
    1⤵
      PID:3748

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4724-0-0x0000000003D40000-0x0000000003D5B000-memory.dmp

            Filesize

            108KB

          • memory/4724-1-0x0000000000400000-0x0000000003B9F000-memory.dmp

            Filesize

            55.6MB

          • memory/4724-2-0x0000000005940000-0x0000000005957000-memory.dmp

            Filesize

            92KB

          • memory/4724-6-0x0000000003D40000-0x0000000003D5B000-memory.dmp

            Filesize

            108KB