Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    18/08/2023, 17:46

General

  • Target

    3abb6d83db312bcfd7637cac0f6d9fbe_mafia_JC.exe

  • Size

    325KB

  • MD5

    3abb6d83db312bcfd7637cac0f6d9fbe

  • SHA1

    5a10681ade768dca22e8b3d883a9de3996bc137a

  • SHA256

    773d2f56a213b8a4855500365af1b6cc5fa50072e569b38c99e1af884b58821c

  • SHA512

    1b0684659282dc561774b0272dbbcc1b64a27d992f766429a475dfff9bd797d3152eec0397ab57cdf345cb37f3eee4d2b390d761201ec420e46497fdf34e5c87

  • SSDEEP

    6144:L5OGTnncBQmBCjTlOgLA3tjp7OEyXk0Lk3dgvXr:9BTwrBCjTcgLA33aEyUak3dgvb

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\3abb6d83db312bcfd7637cac0f6d9fbe_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\3abb6d83db312bcfd7637cac0f6d9fbe_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:2456
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2852
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2232
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2696
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2816
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2500
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:396
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:1240
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:740
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:580
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:2276
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2464
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:1984
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:2872

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/2456-54-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/2456-55-0x0000000000400000-0x0000000003BA2000-memory.dmp

                              Filesize

                              55.6MB

                            • memory/2456-56-0x0000000000240000-0x0000000000257000-memory.dmp

                              Filesize

                              92KB

                            • memory/2456-63-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/2456-64-0x0000000000400000-0x0000000003BA2000-memory.dmp

                              Filesize

                              55.6MB

                            • memory/2456-65-0x0000000000240000-0x0000000000257000-memory.dmp

                              Filesize

                              92KB