Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 13:43

General

  • Target

    file.exe

  • Size

    6.3MB

  • MD5

    d66f93f2791e94bc6edf57b008e7bbec

  • SHA1

    6f116bfa8de52fd448f197427588744fabe9b2da

  • SHA256

    17ae975bc89c6255bb747b81a28199bd962643f706121ab98b2112f015a9a087

  • SHA512

    ad48e838c76890f0f05e102c9974c9ecab7ea05eacc3b37bc6ec4023e0d59c00519452170dd1f8e86cc8599c15d660839617bce42d25a3febd77edba80fe5ae3

  • SSDEEP

    49152:d3cOGrck8pKol6VHPrxMgc9NpEOQpMsMFvvB5EkoV/fS5weeVRay7LcNen:dcOMiKVVHP7dKPpIVIweeVIy7Acn

Malware Config

Extracted

Family

cryptbot

C2

fivevh5ht.top

analforeverlovyu.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:712
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3012
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1060
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:5104
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/712-0-0x0000000000400000-0x0000000001058000-memory.dmp

    Filesize

    12.3MB

  • memory/712-1-0x0000000000400000-0x0000000001058000-memory.dmp

    Filesize

    12.3MB

  • memory/712-13-0x0000000000400000-0x0000000001058000-memory.dmp

    Filesize

    12.3MB

  • memory/1856-34-0x00000000000E0000-0x00000000000F1000-memory.dmp

    Filesize

    68KB

  • memory/3012-15-0x00000000000E0000-0x00000000000F1000-memory.dmp

    Filesize

    68KB

  • memory/3012-16-0x0000000075560000-0x000000007568C000-memory.dmp

    Filesize

    1.2MB

  • memory/5104-21-0x00000000000E0000-0x00000000000F1000-memory.dmp

    Filesize

    68KB