Analysis

  • max time kernel
    147s
  • max time network
    144s
  • 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 09:20

General

  • Target

    da7fadc671804e093c7dcad3455a266e77d2c84b641ae037c70004daaa05b897.exe

  • Size

    6.4MB

  • MD5

    12bba7bf40ba77b0ab322d8626dab9aa

  • SHA1

    c3b6fab7181e78a09b8c348a0e27fec92764a21f

  • SHA256

    da7fadc671804e093c7dcad3455a266e77d2c84b641ae037c70004daaa05b897

  • SHA512

    71e164b56980206e81e49cf915d5f7a62767c04fa9dc8ffa1030e3ded81ce162f3045a9376841a70533b540e7d0391419ca72862191ed2a6fa20ac3349a54ce9

  • SSDEEP

    98304:vCK4J61rk3tHQixuo3qC6jq1laXsf8TjnxQO3flzHq97H4a:qLQ+734jzcunxQYfhHK7H4a

Malware Config

Extracted

Family

cryptbot

C2

tventyv20sb.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\da7fadc671804e093c7dcad3455a266e77d2c84b641ae037c70004daaa05b897.exe
    "C:\Users\Admin\AppData\Local\Temp\da7fadc671804e093c7dcad3455a266e77d2c84b641ae037c70004daaa05b897.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1048
    • 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:4996
    • 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:2952
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2700
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1048-0-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/1048-1-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/1048-13-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/2700-27-0x0000000000E70000-0x0000000000E81000-memory.dmp

    Filesize

    68KB

  • memory/3436-42-0x0000000000E70000-0x0000000000E81000-memory.dmp

    Filesize

    68KB

  • memory/4996-15-0x0000000000E70000-0x0000000000E81000-memory.dmp

    Filesize

    68KB

  • memory/4996-16-0x0000000074BC0000-0x0000000074CFC000-memory.dmp

    Filesize

    1.2MB