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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 19:50

General

  • Target

    2024-03-05_ccf4f391c65eaf8be903c85308a88fc1_karagany_mafia.exe

  • Size

    308KB

  • MD5

    ccf4f391c65eaf8be903c85308a88fc1

  • SHA1

    cd6c309f85a2be735e5b0dff1e530c691fa7ebdc

  • SHA256

    066ccad36d6db2e8357d2b45a01a22cf82563ab7d93fbd717ac86c695182e8d5

  • SHA512

    3009e44c637ddcb2d311eef777311e94e372688887edd9b24f468607ce8f6c1d78fb378d4184bc912ab0050c52593a45a4b0fc3b5a3eb73333bb3d816f983f43

  • SSDEEP

    6144:AzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:mDHNam62ZdKmZmuPH

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 WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-05_ccf4f391c65eaf8be903c85308a88fc1_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-05_ccf4f391c65eaf8be903c85308a88fc1_karagany_mafia.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2564
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2612
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2480
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2488
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:1128
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:2828
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:3040
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:1624
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:2524
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:1192
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2124
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:2632
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:488
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup ransomware.bit ns2.wowservers.ru
                                2⤵
                                  PID:1084
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup carder.bit ns2.wowservers.ru
                                  2⤵
                                    PID:2256
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup ransomware.bit ns1.wowservers.ru
                                    2⤵
                                      PID:452
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup carder.bit ns1.wowservers.ru
                                      2⤵
                                        PID:2068

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • memory/2364-1-0x000000000AAB0000-0x000000000ABB0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/2364-2-0x0000000000400000-0x0000000001400000-memory.dmp

                                      Filesize

                                      16.0MB

                                    • memory/2364-3-0x0000000000220000-0x0000000000237000-memory.dmp

                                      Filesize

                                      92KB

                                    • memory/2364-10-0x0000000000400000-0x0000000001400000-memory.dmp

                                      Filesize

                                      16.0MB

                                    • memory/2364-12-0x000000000AAB0000-0x000000000ABB0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/2364-13-0x0000000000220000-0x0000000000237000-memory.dmp

                                      Filesize

                                      92KB