Analysis

  • max time kernel
    141s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 01:53

General

  • Target

    7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe

  • Size

    6.3MB

  • MD5

    9c6348961ddfb93988d54adff5e45bfa

  • SHA1

    7fd1bbdb3f4e024d74b38088d99c5f3bee8f28f5

  • SHA256

    7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434

  • SHA512

    2cb4b575738c33865bd656225c560ec837f832d8bf8e9927fc5e154b2ad6f65a1ee53b275fb10894ea9bcf813cc5e6d99f8aa8ba2bd4b3d7ebbd4e44620cd02d

  • SSDEEP

    49152:iQhbGEGVCjdEbS7IhzjyHP+M8zArBpP+puwK8kkIYjrSXmF+kTV7XU0Bt8su/hY9:2bSGSHH8zzEV8kk5S2FpVtBM/hYCx1E3

Malware Config

Extracted

Family

cryptbot

C2

twelvevf12vt.top

analforeverlovyu.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 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\7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe
    "C:\Users\Admin\AppData\Local\Temp\7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3864
    • 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:1624
    • 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:4860
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4324
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1624-15-0x0000000000E20000-0x0000000000E31000-memory.dmp

    Filesize

    68KB

  • memory/1624-16-0x0000000075310000-0x000000007543C000-memory.dmp

    Filesize

    1.2MB

  • memory/2288-34-0x0000000000E20000-0x0000000000E31000-memory.dmp

    Filesize

    68KB

  • memory/3864-0-0x0000000000400000-0x0000000001057000-memory.dmp

    Filesize

    12.3MB

  • memory/3864-1-0x0000000000400000-0x0000000001057000-memory.dmp

    Filesize

    12.3MB

  • memory/3864-13-0x0000000000400000-0x0000000001057000-memory.dmp

    Filesize

    12.3MB

  • memory/4324-19-0x0000000000E20000-0x0000000000E31000-memory.dmp

    Filesize

    68KB