Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 02:36

General

  • Target

    2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

  • Size

    145KB

  • MD5

    2122528836dc9a8b55e58f93a46efaa8

  • SHA1

    4e3d51b482cb5935eb475e13fa74e0494165bbef

  • SHA256

    1e0afc792e27622b64e0f6c3d297cc31cf5cbaa08c088cd10ef6a98ef0f86c8a

  • SHA512

    aa5b86fc81ca9b476becbe9c087b987647567c7425d64b7f7cf409e23e9c66d2e3ed145c69f1e700aa58940ab447c89c860c6fac42f24e1b200772a1b6c10d53

  • SSDEEP

    3072:nYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:nyOqqDL64vdGREz

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\2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_2122528836dc9a8b55e58f93a46efaa8_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:2468
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:2196
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:2584
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:2612
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:2432
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:2460
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gandcrab.bit dns1.soprodns.ru
                2⤵
                  PID:2644
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup nomoreransom.bit dns1.soprodns.ru
                  2⤵
                    PID:2320
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup emsisoft.bit dns1.soprodns.ru
                    2⤵
                      PID:1904
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gandcrab.bit dns1.soprodns.ru
                      2⤵
                        PID:1044
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup nomoreransom.bit dns1.soprodns.ru
                        2⤵
                          PID:2296
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup emsisoft.bit dns1.soprodns.ru
                          2⤵
                            PID:1428
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gandcrab.bit dns1.soprodns.ru
                            2⤵
                              PID:2700
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup nomoreransom.bit dns1.soprodns.ru
                              2⤵
                                PID:2216
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup emsisoft.bit dns1.soprodns.ru
                                2⤵
                                  PID:1376
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gandcrab.bit dns1.soprodns.ru
                                  2⤵
                                    PID:2752

                                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/2468-0-0x0000000000400000-0x0000000000428000-memory.dmp
                                  Filesize

                                  160KB

                                • memory/2468-4-0x0000000000400000-0x0000000000428000-memory.dmp
                                  Filesize

                                  160KB