Analysis

  • max time kernel
    32s
  • max time network
    18s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17/09/2024, 21:45

General

  • Target

    Set-up.exe

  • Size

    6.3MB

  • MD5

    386c20ca6b91defa8a8070cafbca8d21

  • SHA1

    5b6561a14e6bc3f90a1a0212853380a6638b0d78

  • SHA256

    d02eb2e1eaa35f4065a7bf04da377e2f639c9e1231b1adb2941162462869a0b2

  • SHA512

    db11ca6890e949d3151c650153e41f0886387ed9899769d9c1f3bf430481f18f24840fedd0a3961539ca9783d47ab574684fa411a07b8d30b90c0f4337f2aa7d

  • SSDEEP

    49152:6MRrOYspxtsNTrTyaMDJN8Ri0V32ru1TlE0SJBCmsP1Enhpf+Z24X7LZ6sK1FPXy:09seM7V32rpJa1Enhpf+ZxXnBC1c3D

Malware Config

Extracted

Family

cryptbot

C2

twelvevd12vt.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 1 IoCs
  • Loads dropped DLL 1 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\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:204
    • 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:2120
    • 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:428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/204-0-0x0000000000400000-0x000000000106A000-memory.dmp

    Filesize

    12.4MB

  • memory/204-1-0x0000000000400000-0x000000000106A000-memory.dmp

    Filesize

    12.4MB

  • memory/204-10-0x0000000000400000-0x000000000106A000-memory.dmp

    Filesize

    12.4MB