Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2023 13:27

General

  • Target

    40bdca671213c2ed28ee28f48a9dfd1b_mafia_JC.exe

  • Size

    300KB

  • MD5

    40bdca671213c2ed28ee28f48a9dfd1b

  • SHA1

    f6f1d72a62b7b7fd2888e1a3d3aeffa291c9d292

  • SHA256

    e612e8fe9760b1ffcecd1f8ce6aad8a886ba92d742456d63b07e067c6ee0f1db

  • SHA512

    b8a141e6c1552f1551411a588e643e8289777fed1fdbdb89ed685b633a667b943fbfa8412b201440498d61b0afcdd06f92ec9b58ba1ce5ce60e3937ea74f0499

  • SSDEEP

    6144:GvEANMO1UnseVgkV0xwvfxnhLTiusLe1740N:puM0Unsna5mut40N

Malware Config

Signatures

  • GandCrab payload 4 IoCs
  • Gandcrab

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

  • Unexpected DNS network traffic destination 64 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookAW 64 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40bdca671213c2ed28ee28f48a9dfd1b_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\40bdca671213c2ed28ee28f48a9dfd1b_mafia_JC.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:3024
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2840
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2712
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2788
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2104
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:1112
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:1468
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:568
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:3008
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:2020
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2144
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:2268
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:1964

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/3060-54-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/3060-55-0x0000000000400000-0x0000000003B9B000-memory.dmp

                              Filesize

                              55.6MB

                            • memory/3060-56-0x0000000000380000-0x0000000000397000-memory.dmp

                              Filesize

                              92KB

                            • memory/3060-63-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/3060-64-0x0000000000400000-0x0000000003B9B000-memory.dmp

                              Filesize

                              55.6MB

                            • memory/3060-65-0x0000000000380000-0x0000000000397000-memory.dmp

                              Filesize

                              92KB