Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-04-2024 17:50

General

  • Target

    2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

  • Size

    145KB

  • MD5

    8f8ba6d14c8de1e178cc2104bee6e77e

  • SHA1

    266220962a73fc2726ac84d089fd0d517c8fe52f

  • SHA256

    9096e5e2218d219fde686758b289f5151f69d10dd3d895ff19235c74842e6850

  • SHA512

    ee7e715219346f0dbf15ad42c37a95ca4cb707854c478fc6bb9be5008900d4a59b336c5d621d64d820751c2187c04a34d39dea12bcfb9bdd70552d46cab96063

  • SSDEEP

    3072:AYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:AyOqqDL64vdGREz

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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_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:2904
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:2996
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:2672
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:2412
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:700
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:884
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gandcrab.bit dns1.soprodns.ru
                2⤵
                  PID:2560
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup nomoreransom.bit dns1.soprodns.ru
                  2⤵
                    PID:2736
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup emsisoft.bit dns1.soprodns.ru
                    2⤵
                      PID:1944
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gandcrab.bit dns1.soprodns.ru
                      2⤵
                        PID:1504
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup nomoreransom.bit dns1.soprodns.ru
                        2⤵
                          PID:1784
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup emsisoft.bit dns1.soprodns.ru
                          2⤵
                            PID:1116
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gandcrab.bit dns1.soprodns.ru
                            2⤵
                              PID:2304
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup nomoreransom.bit dns1.soprodns.ru
                              2⤵
                                PID:3036
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup emsisoft.bit dns1.soprodns.ru
                                2⤵
                                  PID:2064

                              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/2904-0-0x0000000000400000-0x0000000000428000-memory.dmp
                                Filesize

                                160KB

                              • memory/2904-4-0x0000000000400000-0x0000000000428000-memory.dmp
                                Filesize

                                160KB