Overview

overview

10

Static

static

10

2024-06-24...ab.exe

windows7-x64

10

2024-06-24...ab.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-06-2024 15:45

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General

  • Target

    2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

  • Size

    99KB

  • MD5

    21c98f764bfa9808773d1036549a2044

  • SHA1

    a3fe0083439a948f50ef1f0962c2ecad66208ea5

  • SHA256

    51586da87391a133fb2b8ee5d3baaae22a6e49393521d517bd5d3e1467be3ae6

  • SHA512

    e812cb1e58e03b9e9e048337f314398390d9c0f252556e7fe0beba79d569664c8eed28e45cbf48a67da031a7b6bf19533bb9b1b61991f146e24a79f1fea1afd3

  • SSDEEP

    3072:LMSjOnrmBIMqqDL2/mr3IdE8we0Avu5r++ygLIaaypQ8CrS6e:LXjOnr6jqqDL6aprYS6e

Score
10/10
gandcrabbackdoorpersistenceransomwareupx

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.

    ransomwarebackdoorgandcrab
  • UPX packed file 2 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-24_21c98f764bfa9808773d1036549a2044_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:640
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:2484
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:744
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:4284
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:4072
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:3556

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Initial Access

            Execution

            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

            Credential Access

            Discovery

            Query Registry

            2
            T1012

            Peripheral Device Discovery

            1
            T1120

            System Information Discovery

            2
            T1082

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Resource Development

            Reconnaissance

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/640-0-0x0000000000F30000-0x0000000000F4C000-memory.dmp
              Filesize

              112KB

              Download
            • memory/640-4-0x0000000000F30000-0x0000000000F4C000-memory.dmp
              Filesize

              112KB

              Download