Analysis

  • max time kernel
    141s
  • 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
    15/09/2024, 17:50

General

  • Target

    9c3e4aa9ce138b9f9426fcc8d121e3e85adcb6b15e6703fea1e4c8f477955a37.exe

  • Size

    6.4MB

  • MD5

    604ba1828afbcb9ade9ec2e2ddb52e11

  • SHA1

    89a473943603f2af11f28000a79667774f146b53

  • SHA256

    9c3e4aa9ce138b9f9426fcc8d121e3e85adcb6b15e6703fea1e4c8f477955a37

  • SHA512

    31c0d43191ad6afb6fe4476f4c19b2d3d56e93ea3d0b05f566f17cc03d885c7dcf06c18986b7aa9d7efca0f9131fed86cd434c9556c772af3bbd2c181f6601ee

  • SSDEEP

    98304:9OPs5ieJdHidKgy+evhbQdTaWLnkbrrcDtvlrQhMvpVKs3F1O94wln:9Ss7DidKYdT58/4vVQKxos3Fo94in

Malware Config

Extracted

Family

cryptbot

C2

sevtvd17sb.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\9c3e4aa9ce138b9f9426fcc8d121e3e85adcb6b15e6703fea1e4c8f477955a37.exe
    "C:\Users\Admin\AppData\Local\Temp\9c3e4aa9ce138b9f9426fcc8d121e3e85adcb6b15e6703fea1e4c8f477955a37.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:836
    • 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:2152
    • 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:4532
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:364
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/364-19-0x0000000000820000-0x0000000000831000-memory.dmp

    Filesize

    68KB

  • memory/836-0-0x0000000000400000-0x0000000001073000-memory.dmp

    Filesize

    12.4MB

  • memory/836-1-0x0000000000400000-0x0000000001073000-memory.dmp

    Filesize

    12.4MB

  • memory/836-13-0x0000000000400000-0x0000000001073000-memory.dmp

    Filesize

    12.4MB

  • memory/1720-34-0x0000000000820000-0x0000000000831000-memory.dmp

    Filesize

    68KB

  • memory/2152-15-0x0000000000820000-0x0000000000831000-memory.dmp

    Filesize

    68KB

  • memory/2152-16-0x0000000074E70000-0x0000000074FAC000-memory.dmp

    Filesize

    1.2MB