Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2024, 20:31

General

  • Target

    1f707d3f1244648ef647d03e92980b721b105215117b8db2392082adf14a22c5.exe

  • Size

    6.3MB

  • MD5

    c9f0d3e4b343ef9581b35d5fd2b1e302

  • SHA1

    2336b4e27962cf4ec268b03e15d62cff4196ff54

  • SHA256

    1f707d3f1244648ef647d03e92980b721b105215117b8db2392082adf14a22c5

  • SHA512

    293e4fc97479908ed2b0d37d44a71b36148abc648af23f38355ab96840eda6d6280682b867656a76ba6c9a025d1f57578d21daeeab7d13d4b1bbba7ff8dca45b

  • SSDEEP

    98304:uVcNJAD2BvEvpyB75ftFOC+HmOMBdRFqHl:umJ22BvEvU3ft4DHm53bqHl

Malware Config

Extracted

Family

cryptbot

C2

ninetfgh19vs.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 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\1f707d3f1244648ef647d03e92980b721b105215117b8db2392082adf14a22c5.exe
    "C:\Users\Admin\AppData\Local\Temp\1f707d3f1244648ef647d03e92980b721b105215117b8db2392082adf14a22c5.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2868
    • 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:2988
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D1093CF7-6C0C-47ED-948B-F2CD0AEAD999} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2708
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1068-36-0x00000000001D0000-0x00000000001E1000-memory.dmp

    Filesize

    68KB

  • memory/2580-0-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2580-1-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2580-13-0x0000000000400000-0x0000000001065000-memory.dmp

    Filesize

    12.4MB

  • memory/2708-21-0x00000000001D0000-0x00000000001E1000-memory.dmp

    Filesize

    68KB

  • memory/2868-16-0x00000000001D0000-0x00000000001E1000-memory.dmp

    Filesize

    68KB

  • memory/2868-17-0x00000000746A0000-0x00000000747DC000-memory.dmp

    Filesize

    1.2MB