Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    16-06-2024 15:25

General

  • Target

    2024-06-16_39d1cd549f4e47f7f5752083531fb4d2_gandcrab.exe

  • Size

    97KB

  • MD5

    39d1cd549f4e47f7f5752083531fb4d2

  • SHA1

    a139cf76a91cf3b99b8f0e6756da348809846c3c

  • SHA256

    dbbb4c93a79446d116b1986e46ab97f90a3e1d16b495ad4ccf3f6b452919789e

  • SHA512

    f85847eb465186403af0ba6de8513debae460e2b3ec761b1930c8b70d5b025844504ac00a03a6036a62017c8d42511bc6af78b5a04a3910a9e30082e8a6e848b

  • SSDEEP

    1536:iZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAlMqqU+2bbbAV2/S2LNmHkf:EBounVyFHkMqqDL2/LgHkctc

Malware Config

Signatures

  • GandCrab payload 2 IoCs
  • Gandcrab

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

  • Detects Reflective DLL injection artifacts 2 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-16_39d1cd549f4e47f7f5752083531fb4d2_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-16_39d1cd549f4e47f7f5752083531fb4d2_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:2152
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.coin dns1.soprodns.ru
      2⤵
        PID:2756
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup nomoreransom.bit dns1.soprodns.ru
        2⤵
          PID:2572
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns2.soprodns.ru
          2⤵
            PID:2780
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.coin dns2.soprodns.ru
            2⤵
              PID:2216
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup nomoreransom.bit dns2.soprodns.ru
              2⤵
                PID:852
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gandcrab.bit dns1.soprodns.ru
                2⤵
                  PID:1564

              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/2152-0-0x000000000F2F0000-0x000000000F30B000-memory.dmp
                Filesize

                108KB

              • memory/2152-4-0x000000000F2F0000-0x000000000F30B000-memory.dmp
                Filesize

                108KB