Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2023, 17:50

General

  • Target

    fd0c4a1bb92fccexe_JC.exe

  • Size

    308KB

  • MD5

    fd0c4a1bb92fcc850f226c9f2cba4a5c

  • SHA1

    057ca0421cba435de26d5d87d9245a2775381daa

  • SHA256

    9331e54ba2770f4c1559984b6aa98a2c2b243c1aaa4da2f6340110abfae37e8f

  • SHA512

    d27dfc00a388931b0d282fbf590de560e9439222bc6b17003377b1f6b71d89e6b4622317a405ddf5450f8fc1dfa9644f6e49c63176c47176c3d6ad2c4dd026dd

  • SSDEEP

    6144:xzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:/DHNam62ZdKmZmuPH

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 2 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd0c4a1bb92fccexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\fd0c4a1bb92fccexe_JC.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2832
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2996
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2740
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2312
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2396
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:536
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:2708
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:1544
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:992
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:1668
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2436
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:2124
                            • 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:912

                              Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/3024-55-0x000000000AAD0000-0x000000000ABD0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/3024-56-0x0000000000400000-0x0000000001400000-memory.dmp

                                      Filesize

                                      16.0MB

                                    • memory/3024-57-0x0000000000220000-0x0000000000237000-memory.dmp

                                      Filesize

                                      92KB

                                    • memory/3024-64-0x0000000000400000-0x0000000001400000-memory.dmp

                                      Filesize

                                      16.0MB

                                    • memory/3024-65-0x000000000AAD0000-0x000000000ABD0000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/3024-66-0x0000000000220000-0x0000000000237000-memory.dmp

                                      Filesize

                                      92KB