Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 09:25

General

  • Target

    2024-03-28_021ac5fff464dfd24b86430cbecc1128_gandcrab.exe

  • Size

    145KB

  • MD5

    021ac5fff464dfd24b86430cbecc1128

  • SHA1

    02536370994c021884400b23ec2f6c97f9caabd9

  • SHA256

    70ca942e968928fa4e90a7414c5a8f9d0b9900ea81c7ba240803e19f6b321f2c

  • SHA512

    921970a36d79fa2324dce436d323d6a71add9c9b89a16c40396f229dab22a532b5b31f5d19577f02203f7eafa752af796c3e264fab50708bc4136e87acfb0329

  • SSDEEP

    3072:PYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:PyOqqDL64vdGREz

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_021ac5fff464dfd24b86430cbecc1128_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-28_021ac5fff464dfd24b86430cbecc1128_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:2268
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:2884
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:2580
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:2708
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:1868
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:2872
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gandcrab.bit dns1.soprodns.ru
                2⤵
                  PID:2680
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup nomoreransom.bit dns1.soprodns.ru
                  2⤵
                    PID:2848
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup emsisoft.bit dns1.soprodns.ru
                    2⤵
                      PID:1760
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gandcrab.bit dns1.soprodns.ru
                      2⤵
                        PID:2008
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup nomoreransom.bit dns1.soprodns.ru
                        2⤵
                          PID:1440
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup emsisoft.bit dns1.soprodns.ru
                          2⤵
                            PID:2316
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gandcrab.bit dns1.soprodns.ru
                            2⤵
                              PID:1668
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup nomoreransom.bit dns1.soprodns.ru
                              2⤵
                                PID:488
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup emsisoft.bit dns1.soprodns.ru
                                2⤵
                                  PID:1652
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gandcrab.bit dns1.soprodns.ru
                                  2⤵
                                    PID:1864

                                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/2268-0-0x0000000000400000-0x0000000000428000-memory.dmp
                                  Filesize

                                  160KB

                                • memory/2268-4-0x0000000000400000-0x0000000000428000-memory.dmp
                                  Filesize

                                  160KB