Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2024 23:33

General

  • Target

    2024-03-31_781f872fd86bec4c3d3a4f4f27c2567c_karagany_mafia.exe

  • Size

    308KB

  • MD5

    781f872fd86bec4c3d3a4f4f27c2567c

  • SHA1

    e44c4279a4e9d360b53aa5063338c21b4d794c71

  • SHA256

    d81d769405aa20481d167b28394dce6da03635993c29925301452ba2d19b0e35

  • SHA512

    e5813f99360704a8329279bc6fb9e39fb8ac7413d682515dacbca0cd2cfe8ade9b682073e508b50527135effed100d07434891ec376887fc3f36a455eae69bfc

  • 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\2024-03-31_781f872fd86bec4c3d3a4f4f27c2567c_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-31_781f872fd86bec4c3d3a4f4f27c2567c_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:2152
    • 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:2616
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2620
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2516
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2504
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:2172
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:2788
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:2820
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:2032
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:1932
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2784
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:1664
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:1756
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup ransomware.bit ns2.wowservers.ru
                                2⤵
                                  PID:2444
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup carder.bit ns2.wowservers.ru
                                  2⤵
                                    PID:2196
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup ransomware.bit ns1.wowservers.ru
                                    2⤵
                                      PID:780
                                    • 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:1820
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup carder.bit ns2.wowservers.ru
                                          2⤵
                                            PID:2432
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup ransomware.bit ns1.wowservers.ru
                                            2⤵
                                              PID:892
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup carder.bit ns1.wowservers.ru
                                              2⤵
                                                PID:1124
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup ransomware.bit ns2.wowservers.ru
                                                2⤵
                                                  PID:2360
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup carder.bit ns2.wowservers.ru
                                                  2⤵
                                                    PID:984
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup ransomware.bit ns1.wowservers.ru
                                                    2⤵
                                                      PID:624

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/2152-1-0x0000000000290000-0x0000000000390000-memory.dmp
                                                    Filesize

                                                    1024KB

                                                  • memory/2152-2-0x0000000000400000-0x0000000001400000-memory.dmp
                                                    Filesize

                                                    16.0MB

                                                  • memory/2152-3-0x000000000A9C0000-0x000000000A9D7000-memory.dmp
                                                    Filesize

                                                    92KB

                                                  • memory/2152-10-0x0000000000400000-0x0000000001400000-memory.dmp
                                                    Filesize

                                                    16.0MB

                                                  • memory/2152-12-0x0000000000290000-0x0000000000390000-memory.dmp
                                                    Filesize

                                                    1024KB

                                                  • memory/2152-13-0x000000000A9C0000-0x000000000A9D7000-memory.dmp
                                                    Filesize

                                                    92KB