Analysis

  • max time kernel
    142s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2024, 01:11

General

  • Target

    4b6be11fd5704e5489c7911c1659f1bb7f9901e2d5c70c2f8f126512071093cc.exe

  • Size

    6.3MB

  • MD5

    d033249a79f6c6296cd62fe03a185acd

  • SHA1

    b481dd69262bf6423ce909d7d8777368fbfdf369

  • SHA256

    4b6be11fd5704e5489c7911c1659f1bb7f9901e2d5c70c2f8f126512071093cc

  • SHA512

    d7ebb63c82f16177400a6aecbdac514a205264722cfb45b643f74231209ee3b8df7813663711b5efe3287ed180e810ac74370244c7308e6e18e76e095d37b657

  • SSDEEP

    49152:lwlwpSGtoLZftvEe/imXDh+VkeK29ZfarzEDNUyXNmGYrK9JI+Nop:LIqoLdtce6mTh+VXKGIVyxAOop

Malware Config

Extracted

Family

cryptbot

C2

analforeverlovyu.top

fiftvd15sb.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 5 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b6be11fd5704e5489c7911c1659f1bb7f9901e2d5c70c2f8f126512071093cc.exe
    "C:\Users\Admin\AppData\Local\Temp\4b6be11fd5704e5489c7911c1659f1bb7f9901e2d5c70c2f8f126512071093cc.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2432
    • 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:2548
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DC266FE6-A96A-448D-8264-53CEDE8F0FB2} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1924
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1924-25-0x0000000001290000-0x00000000012A1000-memory.dmp

    Filesize

    68KB

  • memory/1976-40-0x0000000001290000-0x00000000012A1000-memory.dmp

    Filesize

    68KB

  • memory/2432-16-0x0000000001290000-0x00000000012A1000-memory.dmp

    Filesize

    68KB

  • memory/2432-17-0x0000000074C90000-0x0000000074DCC000-memory.dmp

    Filesize

    1.2MB

  • memory/2656-0-0x0000000000400000-0x0000000001062000-memory.dmp

    Filesize

    12.4MB

  • memory/2656-1-0x0000000000400000-0x0000000001062000-memory.dmp

    Filesize

    12.4MB

  • memory/2656-14-0x0000000000400000-0x0000000001062000-memory.dmp

    Filesize

    12.4MB