Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 05:30

General

  • Target

    2024-11-26_984aa9016692f4ef8930dab8e567887b_gandcrab.exe

  • Size

    240KB

  • MD5

    984aa9016692f4ef8930dab8e567887b

  • SHA1

    d86198b4af01bfebc789bb9c8178cc7ff88b6b19

  • SHA256

    571a7ba6f3cdd884ae6eb11bef1213fbbdd695fd13f2b0638e7a2636c0af6ca6

  • SHA512

    b03180aa14e3b359cb177eaa7d3294bf530b207d780230aa0485b573298d57542badf0c548426608e482c632cdc2421a52bcb9a55c140544a648d28b437d49a7

  • SSDEEP

    3072:oYHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHkc:oycqqDL6oREzZpEc

Malware Config

Signatures

  • GandCrab payload 2 IoCs
  • Gandcrab

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

  • Gandcrab family
  • 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.

  • UPX packed file 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\2024-11-26_984aa9016692f4ef8930dab8e567887b_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-26_984aa9016692f4ef8930dab8e567887b_gandcrab.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2508
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2184
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2984
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2856
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2724
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2544
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2752
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2372
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1976
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1424
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2940
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2112
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2072
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2156-0-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2156-4-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB