Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-09-2024 21:28

General

  • Target

    75c5e9e8e213b530badb0086e06f74250f813b2dbc14718d0b0492b0eb4706a9.exe

  • Size

    6.3MB

  • MD5

    72ad74a67e4f191faf234c2ff3a02558

  • SHA1

    2030f2193f8659198636ce9ce01419b67d1af8bd

  • SHA256

    75c5e9e8e213b530badb0086e06f74250f813b2dbc14718d0b0492b0eb4706a9

  • SHA512

    66ae5401324dd2fb1fc0c8485a212f095272c8e0586ab0111e3b3db9eb5383df1fea85847a7153b57d11384f7c429506d549cfe5c0ff907d129699325c9b9d5b

  • SSDEEP

    49152:1P8R/KvyA7JN9mqzhRe9thTK5pYe/yS1dXjueIhFpAeqlVxfMi0c1tVmweKE/P8I:N8k97bh+hcpYelX67v+v41uGDDFUe

Malware Config

Extracted

Family

cryptbot

C2

sevtvd17pt.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.

  • 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\75c5e9e8e213b530badb0086e06f74250f813b2dbc14718d0b0492b0eb4706a9.exe
    "C:\Users\Admin\AppData\Local\Temp\75c5e9e8e213b530badb0086e06f74250f813b2dbc14718d0b0492b0eb4706a9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:5112
    • 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:1516
    • 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:4468
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4300
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1516-15-0x0000000000F50000-0x0000000000F61000-memory.dmp

    Filesize

    68KB

  • memory/1516-16-0x0000000074D20000-0x0000000074E5C000-memory.dmp

    Filesize

    1.2MB

  • memory/2888-34-0x0000000000F50000-0x0000000000F61000-memory.dmp

    Filesize

    68KB

  • memory/4300-19-0x0000000000F50000-0x0000000000F61000-memory.dmp

    Filesize

    68KB

  • memory/5112-0-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/5112-1-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/5112-13-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB