Overview

overview

10

Static

static

10

2024-06-20...ab.exe

windows7-x64

10

2024-06-20...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
    20-06-2024 08:25

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General

  • Target

    2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

  • Size

    99KB

  • MD5

    1967cda21d6cdb6830eede4ab6077a85

  • SHA1

    178202542bd7a43c51da5d3ebcc5661cf338040c

  • SHA256

    937c6c1673d1f1db9a5da93fa7497b38f5f733fc7a79f6d26a4fecf2af101329

  • SHA512

    bc4bf0b5fc8bbff6173862c80bbeb04bc1789772d1956e70ac643f6ec0a123fb794400bc056d86130338eb6923ce3f32c7e93d24dc99543de483cb4dc8cb72f3

  • SSDEEP

    3072:jMSjOnrmBIMqqDL2/mr3IdE8we0Avu5r++ygLIaaypQ8CrS6:jXjOnr6jqqDL6aprYS6

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
  • 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.

    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\2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-20_1967cda21d6cdb6830eede4ab6077a85_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:3152
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:4468
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:4572
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:3092
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:3884
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:1260

            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

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            Downloads

            • memory/3152-0-0x0000000000D00000-0x0000000000D1C000-memory.dmp
              Filesize

              112KB

              Download
            • memory/3152-4-0x0000000000D00000-0x0000000000D1C000-memory.dmp
              Filesize

              112KB

              Download