Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23-04-2024 00:50

General

  • Target

    2024-04-23_d62dcf4d481bf7c0114a0ee18026dfed_mafia.exe

  • Size

    316KB

  • MD5

    d62dcf4d481bf7c0114a0ee18026dfed

  • SHA1

    ffc9994b90cd460868f12a98b0d8c95a746ca18f

  • SHA256

    5e58359f9dd0e78ceae5a29ea36183d8e5e79b79cdeecb1eead9ca5a5da7fdf3

  • SHA512

    908d4760349397bb90df30a3f6b69e9d20ec54fc1a4536dc09e7e62028093dc62f65ff72ae215d0175cd7940f664898729acffe1875931c9a3ccefbffcfe6d00

  • SSDEEP

    6144:JvEZNMO1UnseVgkV0xwvfxnhLTiusLe17403:a7M0Unsna5mut403

Malware Config

Signatures

  • GandCrab payload 4 IoCs
  • Gandcrab

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

  • Detects Reflective DLL injection artifacts 4 IoCs
  • Detects ransomware indicator 2 IoCs
  • Gandcrab Payload 4 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-23_d62dcf4d481bf7c0114a0ee18026dfed_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-23_d62dcf4d481bf7c0114a0ee18026dfed_mafia.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2580
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2676
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2744
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2608
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2488
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:2236
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:948
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:1640
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:1636
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:2808
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2652
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:2860
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:2064
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup ransomware.bit ns2.wowservers.ru
                                2⤵
                                  PID:2024
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup carder.bit ns2.wowservers.ru
                                  2⤵
                                    PID:480
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup ransomware.bit ns1.wowservers.ru
                                    2⤵
                                      PID:1520
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup carder.bit ns1.wowservers.ru
                                      2⤵
                                        PID:2972
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup ransomware.bit ns2.wowservers.ru
                                        2⤵
                                          PID:1740
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup carder.bit ns2.wowservers.ru
                                          2⤵
                                            PID:2056
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup ransomware.bit ns1.wowservers.ru
                                            2⤵
                                              PID:1556
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup carder.bit ns1.wowservers.ru
                                              2⤵
                                                PID:1632
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup ransomware.bit ns2.wowservers.ru
                                                2⤵
                                                  PID:1676
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup carder.bit ns2.wowservers.ru
                                                  2⤵
                                                    PID:328

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • memory/2240-0-0x00000000001B0000-0x00000000001CB000-memory.dmp
                                                  Filesize

                                                  108KB

                                                • memory/2240-1-0x0000000000400000-0x0000000003B9F000-memory.dmp
                                                  Filesize

                                                  55.6MB

                                                • memory/2240-2-0x0000000003BA0000-0x0000000003BB7000-memory.dmp
                                                  Filesize

                                                  92KB

                                                • memory/2240-9-0x0000000000400000-0x0000000003B9F000-memory.dmp
                                                  Filesize

                                                  55.6MB

                                                • memory/2240-11-0x00000000001B0000-0x00000000001CB000-memory.dmp
                                                  Filesize

                                                  108KB

                                                • memory/2240-12-0x0000000003BA0000-0x0000000003BB7000-memory.dmp
                                                  Filesize

                                                  92KB