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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
    15/08/2023, 19:27

General

  • Target

    048cb225a11c893a85927060a02558c4_mafia_JC.exe

  • Size

    300KB

  • MD5

    048cb225a11c893a85927060a02558c4

  • SHA1

    e89ba7393230ffba0043a85bd56334450a5f0604

  • SHA256

    c6b4382f29d3906f732907b5673d5ce5373498279c20942374b1f180f4b70ce1

  • SHA512

    f535649ab648fc68d5ec6ce6dc4dc5257966a17ebf979cec0362e42ba23c04946ddd455cdf1f3e4e380ab3fc4bc80b05b68f5680e676a8960921af5a9be2c90a

  • SSDEEP

    6144:3vEANMO1UnseVgkV0xwvfxnhLTiusLe1740B:cuM0Unsna5mut40B

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\048cb225a11c893a85927060a02558c4_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\048cb225a11c893a85927060a02558c4_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:1952
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2360
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2920
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2876
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2844
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2700
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:2780
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:2564
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:1452
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:1520
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:2392
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:864
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:3028
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:2640

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/1952-54-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/1952-55-0x0000000000400000-0x0000000003B9B000-memory.dmp

                              Filesize

                              55.6MB

                            • memory/1952-56-0x00000000002C0000-0x00000000002D7000-memory.dmp

                              Filesize

                              92KB

                            • memory/1952-63-0x0000000000220000-0x000000000023B000-memory.dmp

                              Filesize

                              108KB

                            • memory/1952-64-0x0000000000400000-0x0000000003B9B000-memory.dmp

                              Filesize

                              55.6MB

                            • memory/1952-65-0x00000000002C0000-0x00000000002D7000-memory.dmp

                              Filesize

                              92KB