Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 2 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Windows.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2640
    • 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:2504
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CCFE488C-8291-4C8F-AE3C-43FDF60C299B} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1468
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/472-44-0x0000000000CA0000-0x0000000000CB1000-memory.dmp

    Filesize

    68KB

  • memory/1468-29-0x0000000000CA0000-0x0000000000CB1000-memory.dmp

    Filesize

    68KB

  • memory/2200-0-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2200-1-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2200-13-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2640-16-0x0000000000CA0000-0x0000000000CB1000-memory.dmp

    Filesize

    68KB

  • memory/2640-17-0x00000000747E0000-0x000000007491C000-memory.dmp

    Filesize

    1.2MB