Analysis

  • max time kernel
    149s
  • 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
    07/09/2024, 21:36

General

  • Target

    37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe

  • Size

    6.3MB

  • MD5

    c5143bd22b31ab714bae08e6be64f210

  • SHA1

    937aeea94741a7aebbec23aa09130b78816ef3f8

  • SHA256

    37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f

  • SHA512

    26a207c89a1e62ae455dfe0fe1e49fa3280a8d1abb303120aa86c5f6236e91da71a58894c2ef5bd16ec9a9ebcac367ae4f2daf6383d862bd6d0fc3ca69fd5178

  • SSDEEP

    98304:vw6bFrMzY8D2oSlaL+skDdH/L8X2Mfkex5iRCxB9j7:vwEoUBoSjA/XYunj7

Malware Config

Extracted

Family

cryptbot

C2

twov2sb.top

analforeverlovyu.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\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe
    "C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2400
    • 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:2932
    • 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:3964
  • 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:5108

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1780-22-0x0000000000260000-0x0000000000271000-memory.dmp

          Filesize

          68KB

        • memory/2400-0-0x0000000000400000-0x0000000001068000-memory.dmp

          Filesize

          12.4MB

        • memory/2400-1-0x0000000000400000-0x0000000001068000-memory.dmp

          Filesize

          12.4MB

        • memory/2400-14-0x0000000000400000-0x0000000001068000-memory.dmp

          Filesize

          12.4MB

        • memory/2932-16-0x0000000000260000-0x0000000000271000-memory.dmp

          Filesize

          68KB

        • memory/2932-17-0x00000000752D0000-0x000000007540C000-memory.dmp

          Filesize

          1.2MB

        • memory/5108-37-0x0000000000260000-0x0000000000271000-memory.dmp

          Filesize

          68KB