Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 06:09

General

  • Target
    e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901.exe
  • Size 1.1MB
  • Sample241104-gwtpdavmcx
  • SHA256 e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • eihz18pt.top

  • analforeverlovyu.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901.exe
    "C:\Users\Admin\AppData\Local\Temp\e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2792

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        VC_redist.x64.exe

        • Path \Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
        • Size 2.5MB
        • SHA256 5a1b5ec353516c39e0869fffac40eaa26050360be25ba8d7beadcb9d8e147967
        • MD5 SHA1 SHA512 SSDEEP

        memory/2792-16-0x0000000000400000-0x0000000000C33000-memory.dmp