Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 08:58

General

  • Target

    2024-03-28_cd2730ffce4b5a78eabbf620ebe59ee3_gandcrab.exe

  • Size

    145KB

  • MD5

    cd2730ffce4b5a78eabbf620ebe59ee3

  • SHA1

    6a1679abc84a22d3c13935d891ae84ce46a4f158

  • SHA256

    0a28e9f32723d3bec254b060feb74eadc98ba9b88308f016bf02332965849169

  • SHA512

    4d807fa339e0417f22abc979210e0f3a1356bbe7f0e64081c2f7a4d8f8cb034833bfbaa155c6d674797ec517297623ead6e6593175c4b763799cd9f637bb6075

  • SSDEEP

    3072:5YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:5yOqqDL64vdGREz

Malware Config

Signatures

  • GandCrab payload 2 IoCs
  • Gandcrab

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

  • Detects ransomware indicator 2 IoCs
  • Gandcrab Payload 2 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 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-28_cd2730ffce4b5a78eabbf620ebe59ee3_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-28_cd2730ffce4b5a78eabbf620ebe59ee3_gandcrab.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:1504
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:2600
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:2728
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:2468
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:2528
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gandcrab.bit dns1.soprodns.ru
                2⤵
                  PID:2196
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup nomoreransom.bit dns1.soprodns.ru
                  2⤵
                    PID:944
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup emsisoft.bit dns1.soprodns.ru
                    2⤵
                      PID:2848
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gandcrab.bit dns1.soprodns.ru
                      2⤵
                        PID:1080
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup nomoreransom.bit dns1.soprodns.ru
                        2⤵
                          PID:2084
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup emsisoft.bit dns1.soprodns.ru
                          2⤵
                            PID:1684
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gandcrab.bit dns1.soprodns.ru
                            2⤵
                              PID:1288
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup nomoreransom.bit dns1.soprodns.ru
                              2⤵
                                PID:1092
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup emsisoft.bit dns1.soprodns.ru
                                2⤵
                                  PID:564
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gandcrab.bit dns1.soprodns.ru
                                  2⤵
                                    PID:844

                                Network

                                MITRE ATT&CK Matrix ATT&CK v13

                                Persistence

                                Boot or Logon Autostart Execution

                                1
                                T1547

                                Registry Run Keys / Startup Folder

                                1
                                T1547.001

                                Privilege Escalation

                                Boot or Logon Autostart Execution

                                1
                                T1547

                                Registry Run Keys / Startup Folder

                                1
                                T1547.001

                                Defense Evasion

                                Modify Registry

                                1
                                T1112

                                Discovery

                                Query Registry

                                2
                                T1012

                                Peripheral Device Discovery

                                1
                                T1120

                                System Information Discovery

                                2
                                T1082

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/2548-0-0x0000000000400000-0x0000000000428000-memory.dmp
                                  Filesize

                                  160KB

                                • memory/2548-4-0x0000000000400000-0x0000000000428000-memory.dmp
                                  Filesize

                                  160KB