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Overview

overview

10

Static

static

3

2024-01-23...ia.exe

windows7-x64

10

2024-01-23...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 19:48

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General

  • Target

    2024-01-23_af020ff4838f9a9f6104c8b69e1c8234_mafia.exe

  • Size

    351KB

  • MD5

    af020ff4838f9a9f6104c8b69e1c8234

  • SHA1

    8fe5c7a98bf06006b682a9a72008b13815e8dc1a

  • SHA256

    882c8cdecc36a2ee23097d27dea0c0eb47ac907abce1ebac353f81ca38c0eeaf

  • SHA512

    6e753000dbe47a5b075d48356f5478b0df5ffd7b0fdf85b2673238e0087893527ba2b767da5f883e16a582714cc63a1aafdc6a2dad092c3a9b9f8ef4f63beed2

  • SSDEEP

    3072:U9pNMs+Kr1wbWGjl0xjsNNeVKBNVBxKT46xl+wndfIQQOaC3QBn7/hsb2BhGZ1/N:U9pNMsLWEjsXjBATRpuuwnGD/Nj6a

Score
10/10
gandcrabbackdoorpersistenceransomware

Malware Config

Signatures

  • GandCrab payload 3 IoCs
  • Gandcrab

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

    ransomwarebackdoorgandcrab
  • Detects Reflective DLL injection artifacts 3 IoCs
  • Detects ransomware indicator 2 IoCs
  • Gandcrab Payload 3 IoCs
  • Unexpected DNS network traffic destination 6 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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.

  • Program crash 1 IoCs
  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-23_af020ff4838f9a9f6104c8b69e1c8234_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-23_af020ff4838f9a9f6104c8b69e1c8234_mafia.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:3472
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1376
          2⤵
          • Program crash
          PID:4772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1568 -ip 1568
        1⤵
          PID:3776

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/1568-1-0x0000000001410000-0x0000000001510000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/1568-2-0x0000000000400000-0x00000000012D6000-memory.dmp

          Filesize

          14.8MB

          Download

        • memory/1568-3-0x0000000000400000-0x00000000012D6000-memory.dmp

          Filesize

          14.8MB

          Download

        • memory/1568-4-0x0000000003040000-0x0000000003057000-memory.dmp

          Filesize

          92KB

          Download

        • memory/1568-11-0x0000000003040000-0x0000000003057000-memory.dmp

          Filesize

          92KB

          Download