Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 01:21

General

  • Target

    9932e5949fdc062b3c12769a6e5236e4f5caa40f0c966b879f5a306f0670ee52.exe

  • Size

    109KB

  • MD5

    d3537fec0b0ca4e6ae6f91b85b15c1d5

  • SHA1

    ade90a54d16ccca3c8d2c4c25a2ede4786c7c368

  • SHA256

    9932e5949fdc062b3c12769a6e5236e4f5caa40f0c966b879f5a306f0670ee52

  • SHA512

    1298d94ca3c2671d43fdfcae62aa0886f43a3c9908ec0dc2ab64989f9f66aeab93b33d06060c2619081c676afd4f6980c70322a5a93cb1f9dea396e0b9fb5126

  • SSDEEP

    3072:HMSjOnrmBIMqqDL2/mr3IdE8we0Avu5r++ygLIaaypQ8CrS6C:HXjOnr6jqqDL6aprYS6C

Malware Config

Extracted

Family

gandcrab

C2

http://gdcbghvjyqy7jclk.onion.top/

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
  • UPX dump on OEP (original entry point) 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9932e5949fdc062b3c12769a6e5236e4f5caa40f0c966b879f5a306f0670ee52.exe
    "C:\Users\Admin\AppData\Local\Temp\9932e5949fdc062b3c12769a6e5236e4f5caa40f0c966b879f5a306f0670ee52.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:1832
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:4700
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:3340
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:4168
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:3252
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gandcrab.bit dns1.soprodns.ru
                2⤵
                  PID:4108
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup nomoreransom.bit dns1.soprodns.ru
                  2⤵
                    PID:1164
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup emsisoft.bit dns1.soprodns.ru
                    2⤵
                      PID:3916
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gandcrab.bit dns1.soprodns.ru
                      2⤵
                        PID:2312
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup nomoreransom.bit dns1.soprodns.ru
                        2⤵
                          PID:5092
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup emsisoft.bit dns1.soprodns.ru
                          2⤵
                            PID:3468
                          • 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:2872
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup emsisoft.bit dns1.soprodns.ru
                                2⤵
                                  PID:3000
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gandcrab.bit dns1.soprodns.ru
                                  2⤵
                                    PID:2072

                                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/3416-0-0x0000000000710000-0x000000000072C000-memory.dmp
                                  Filesize

                                  112KB

                                • memory/3416-4-0x0000000000710000-0x000000000072C000-memory.dmp
                                  Filesize

                                  112KB