Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 14:29

General

  • Target

    ff26742815c194fb24443f99d7c7a06c584a9e7f68c774fb1c0a078b8785ac43.exe

  • Size

    6.3MB

  • MD5

    fae6741839e3a1dd529063fe2bdd6ead

  • SHA1

    ed30aa0dc87299d8ea952af887e5c5b9d095b9de

  • SHA256

    ff26742815c194fb24443f99d7c7a06c584a9e7f68c774fb1c0a078b8785ac43

  • SHA512

    c9bbb80c0bc0c3797839af5523ca4f407d17c7b7883572b9142721775789faf3f22193552f7c96df87010fcd54b68dba134fefe12c01f91efe4beed49c80bf34

  • SSDEEP

    98304:/90jx80IQXO8aBULQG3Rd+jbkRMsHCQCnn6n:/90jx8OFAnNoRMsiz6n

Malware Config

Extracted

Family

cryptbot

C2

fivevh5pt.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\ff26742815c194fb24443f99d7c7a06c584a9e7f68c774fb1c0a078b8785ac43.exe
    "C:\Users\Admin\AppData\Local\Temp\ff26742815c194fb24443f99d7c7a06c584a9e7f68c774fb1c0a078b8785ac43.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4856
    • 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:628
    • 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:760
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2524
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/628-15-0x0000000000790000-0x00000000007A1000-memory.dmp

    Filesize

    68KB

  • memory/628-16-0x0000000075830000-0x000000007595C000-memory.dmp

    Filesize

    1.2MB

  • memory/2324-40-0x0000000000790000-0x00000000007A1000-memory.dmp

    Filesize

    68KB

  • memory/2524-25-0x0000000000790000-0x00000000007A1000-memory.dmp

    Filesize

    68KB

  • memory/4856-0-0x0000000000400000-0x0000000001063000-memory.dmp

    Filesize

    12.4MB

  • memory/4856-1-0x0000000000400000-0x0000000001063000-memory.dmp

    Filesize

    12.4MB

  • memory/4856-13-0x0000000000400000-0x0000000001063000-memory.dmp

    Filesize

    12.4MB