Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 11:02

General

  • Target

    5a4bdbf9e0bf5148024332fd44fd705915d6e3a3a0a0673f74e66ff78e1e7bd2.exe

  • Size

    119KB

  • MD5

    3fd9ecaf80a21c7204bc227211f25677

  • SHA1

    5ea2d5111c960f2771595f07c0c5d244a803dc3e

  • SHA256

    5a4bdbf9e0bf5148024332fd44fd705915d6e3a3a0a0673f74e66ff78e1e7bd2

  • SHA512

    2c0f9fb519486099b5c31bb47e0186d784a249a3cf49f8314d8b1f83a6b4afa33453bfaf7676cb9dd953016d6441382d9da8ab525f2754de7441447418da4ae7

  • SSDEEP

    3072:tzuPVLDaAA3d2C9hQssDh7a7I4M3FyOO3+Bout8lc2:qDvSb4f9a7IFLO3ioS8K2

Malware Config

Extracted

Family

gandcrab

C2

http://gdcbghvjyqy7jclk.onion.top/

Signatures

  • GandCrab payload 16 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 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 16 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 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a4bdbf9e0bf5148024332fd44fd705915d6e3a3a0a0673f74e66ff78e1e7bd2.exe
    "C:\Users\Admin\AppData\Local\Temp\5a4bdbf9e0bf5148024332fd44fd705915d6e3a3a0a0673f74e66ff78e1e7bd2.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:2324
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2268
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2556
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2728
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2564
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1984
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2068
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1448
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1916
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:628
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2360
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1856
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2976
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1192
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup emsisoft.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:544
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup gandcrab.bit dns1.soprodns.ru
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2324-0-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-2-0x0000000000260000-0x0000000000360000-memory.dmp

    Filesize

    1024KB

  • memory/2324-3-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2324-7-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-8-0x0000000000260000-0x0000000000360000-memory.dmp

    Filesize

    1024KB

  • memory/2324-10-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2324-11-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-12-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-13-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-14-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-15-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-16-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-17-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-18-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-19-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-20-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-21-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-22-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2324-23-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB