Analysis

  • max time kernel
    149s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 04:12

General

  • Target

    Set-up.exe

  • Size

    6.3MB

  • MD5

    ad609ea8ab379421be41641b24640953

  • SHA1

    3bdd1112d789ba4563edf4a387362799cb28d12d

  • SHA256

    e024652e46d7ad5e5af4e4686d94948d4b582d9b8457e0ba062d90c3fe250871

  • SHA512

    8d87058c8fbfdc49dfef1516e695b3454e65959728d24d6026c3975db87635b52bc565668b7f313c3e640796e5ac508e901f4c4333838f3d7fdbb891af61f1a0

  • SSDEEP

    98304:oK+W+I8jP0pOdt0VE2FSXM/Gvdi1ZpM34aW/Zwj2dCtPVGLUunqJSiW:7G8p0N2k2VGr+c+0SiW

Malware Config

Extracted

Family

cryptbot

C2

twelvevf12vs.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\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:528
    • 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:2656
    • 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:5004
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4356
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/528-0-0x0000000000400000-0x000000000106A000-memory.dmp

    Filesize

    12.4MB

  • memory/528-1-0x0000000000400000-0x000000000106A000-memory.dmp

    Filesize

    12.4MB

  • memory/528-13-0x0000000000400000-0x000000000106A000-memory.dmp

    Filesize

    12.4MB

  • memory/1784-36-0x0000000000040000-0x0000000000051000-memory.dmp

    Filesize

    68KB

  • memory/2656-15-0x0000000000040000-0x0000000000051000-memory.dmp

    Filesize

    68KB

  • memory/2656-16-0x0000000075720000-0x000000007585C000-memory.dmp

    Filesize

    1.2MB

  • memory/4356-21-0x0000000000040000-0x0000000000051000-memory.dmp

    Filesize

    68KB