Analysis

  • max time kernel
    149s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 21:36

General

  • Target

    37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe

  • Size

    6.3MB

  • MD5

    c5143bd22b31ab714bae08e6be64f210

  • SHA1

    937aeea94741a7aebbec23aa09130b78816ef3f8

  • SHA256

    37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f

  • SHA512

    26a207c89a1e62ae455dfe0fe1e49fa3280a8d1abb303120aa86c5f6236e91da71a58894c2ef5bd16ec9a9ebcac367ae4f2daf6383d862bd6d0fc3ca69fd5178

  • SSDEEP

    98304:vw6bFrMzY8D2oSlaL+skDdH/L8X2Mfkex5iRCxB9j7:vwEoUBoSjA/XYunj7

Malware Config

Extracted

Family

cryptbot

C2

twov2sb.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 2 IoCs
  • Loads dropped DLL 4 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe
    "C:\Users\Admin\AppData\Local\Temp\37e5967f4396edb6c2a33180cd50de9bb59f028f2a303e16fb050d3df9e49f5f.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2088
    • 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:2912
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9E6BFA7C-59DA-49DE-97A7-6D1F6B8178D9} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2088-21-0x0000000000F70000-0x0000000000F81000-memory.dmp

    Filesize

    68KB

  • memory/2088-22-0x00000000748E0000-0x0000000074A1C000-memory.dmp

    Filesize

    1.2MB

  • memory/2136-30-0x0000000000F70000-0x0000000000F81000-memory.dmp

    Filesize

    68KB

  • memory/2216-0-0x0000000000400000-0x0000000001068000-memory.dmp

    Filesize

    12.4MB

  • memory/2216-1-0x0000000000400000-0x0000000001068000-memory.dmp

    Filesize

    12.4MB

  • memory/2216-4-0x0000000000400000-0x0000000001068000-memory.dmp

    Filesize

    12.4MB

  • memory/2216-19-0x0000000000400000-0x0000000001068000-memory.dmp

    Filesize

    12.4MB