Analysis

  • max time kernel
    300s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 05:05

General

  • Target

    8647df6e68b1c951961443dcce0cc03211d2ede60409ab0b448ac6df6f9cfed9.exe

  • Size

    6.3MB

  • MD5

    251026403399837fa07b9ca1481a2c77

  • SHA1

    ada941cebcc0bb40105718cc6857f3bd597a067d

  • SHA256

    8647df6e68b1c951961443dcce0cc03211d2ede60409ab0b448ac6df6f9cfed9

  • SHA512

    6a509b2d07091f4433fae8fede1623a39633c430a0361dfdd7147f3e3853c06695fcc5a58f365a959586c132d08954d06d00c353a31edf24bfbb8a98bdc8e6b5

  • SSDEEP

    49152:6s1OXVixM6bC/4UuvXBQXEWczio9B5pidEJKwv3RwSVl9b6M3pktmZzVnfk9FoLS:xOXVixPbC/OvXKXIW2pR/cb+qV

Malware Config

Extracted

Family

cryptbot

C2

thirtv13pt.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 5 IoCs
  • Loads dropped DLL 7 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8647df6e68b1c951961443dcce0cc03211d2ede60409ab0b448ac6df6f9cfed9.exe
    "C:\Users\Admin\AppData\Local\Temp\8647df6e68b1c951961443dcce0cc03211d2ede60409ab0b448ac6df6f9cfed9.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2732
    • 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:2828
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {16910C7E-06CF-4838-AE0D-1A043E7502BA} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1484
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2700
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1744
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1484-26-0x0000000000BF0000-0x0000000000C01000-memory.dmp

    Filesize

    68KB

  • memory/1744-56-0x0000000000BF0000-0x0000000000C01000-memory.dmp

    Filesize

    68KB

  • memory/1852-71-0x0000000000BF0000-0x0000000000C01000-memory.dmp

    Filesize

    68KB

  • memory/2168-0-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2168-1-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2168-12-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2700-41-0x0000000000BF0000-0x0000000000C01000-memory.dmp

    Filesize

    68KB

  • memory/2732-15-0x0000000000BF0000-0x0000000000C01000-memory.dmp

    Filesize

    68KB

  • memory/2732-16-0x0000000074680000-0x00000000747BC000-memory.dmp

    Filesize

    1.2MB