Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 23:07

General

  • Target

    Windows.exe

  • Size

    6.3MB

  • MD5

    cc70a5edd4a5a8db874c97d21119f59d

  • SHA1

    4b1d7b51e875a4b6aa05967459e17ea0d3286f39

  • SHA256

    4311121804332b647e02280a9c551c85c16a46f24f2d2107a9bdceaa8923afa1

  • SHA512

    f2806d7988073539723708821f0246021a77724c992901282036f77bdb57ddf7e495644d7f00c6f96fd3aa0fa65e6142ed9e823c2cab1474d41ee5bc083b2268

  • SSDEEP

    49152:fLoyz7eg9ZoHqhslHcVM665KHMSqhfDsdtQ6ll4NJzdeP03PeJXSA4QVit+g+5NH:fpUHcLMSFdtQsl4NNvauH3xfpjqX

Malware Config

Extracted

Family

cryptbot

C2

analforeverlovyu.top

thirtv13sb.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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\Windows.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3520
    • 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:2756
    • 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:4368
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1780
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1780-27-0x0000000000ED0000-0x0000000000EE1000-memory.dmp

    Filesize

    68KB

  • memory/2260-42-0x0000000000ED0000-0x0000000000EE1000-memory.dmp

    Filesize

    68KB

  • memory/2756-15-0x0000000000ED0000-0x0000000000EE1000-memory.dmp

    Filesize

    68KB

  • memory/2756-16-0x0000000075AF0000-0x0000000075C2C000-memory.dmp

    Filesize

    1.2MB

  • memory/3520-0-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/3520-1-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/3520-13-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB