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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2023, 16:18

General

  • Target

    9dfdbc6d22d2d4113a6d13bc35d44b8b_mafia_JC.exe

  • Size

    319KB

  • MD5

    9dfdbc6d22d2d4113a6d13bc35d44b8b

  • SHA1

    48f9a61935ffc50c4d9a516b323a0bbafab51c04

  • SHA256

    36b57a1787d8ab232c2e994008e2342d279335f6b81a7588654aa72ffa8cad4f

  • SHA512

    8d7ec19650383a36d774a514f470d4f042ee9fa30d9d89da6b060b31302f600bc1cae3606a9e2fb53a762166010b5050ccb9088ee8afd7fdb0c2fa611cc61043

  • SSDEEP

    3072:SLFqoITs8+GgzXKhp6vFcBNTjbL617AL6MfUL1OeV7LGyH0Bme3BdcpFbMT9O:SLFAYz7z6hp2W1L61ALCOk7LhdeROuO

Malware Config

Signatures

  • GandCrab payload 4 IoCs
  • Gandcrab

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

  • Unexpected DNS network traffic destination 63 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\9dfdbc6d22d2d4113a6d13bc35d44b8b_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\9dfdbc6d22d2d4113a6d13bc35d44b8b_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:1672
    • 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:2932
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:1504
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:1268
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2968
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:2768
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:2552
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:2544
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:780
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:552
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:1816
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:2384
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:2032

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/1672-0-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/1672-1-0x0000000000400000-0x0000000004B6E000-memory.dmp

                              Filesize

                              71.4MB

                            • memory/1672-3-0x0000000000250000-0x0000000000267000-memory.dmp

                              Filesize

                              92KB

                            • memory/1672-10-0x0000000000400000-0x0000000004B6E000-memory.dmp

                              Filesize

                              71.4MB

                            • memory/1672-11-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/1672-12-0x0000000000250000-0x0000000000267000-memory.dmp

                              Filesize

                              92KB