Analysis

  • max time kernel
    143s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 14:41

General

  • Target

    f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.exe

  • Size

    6.4MB

  • MD5

    0a4e05f7c1bbba30d90a137a944fde8b

  • SHA1

    c05e8afa1a095a9910d2663f3f909c8d291bf0a1

  • SHA256

    f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc

  • SHA512

    7f21209064236390d3c2d5995dafc59039500b020af83f4b548bf6c15ae53921149ba40fba1c76d662ba66a86b2959ceef0340d4744e85fb43146c1a695e4c6c

  • SSDEEP

    98304:qLtxiAxkjNGje4WfNiSUOIgZj6/McG8GGu:StxiAxkqbODjkndGGu

Malware Config

Extracted

Family

cryptbot

C2

analforeverlovyu.top

siv6sb.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.

  • 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 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\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.exe
    "C:\Users\Admin\AppData\Local\Temp\f9e39df7e1ad7bdb98ee9ae4b8d608731250f989141c4d7595cb40e6a6bf0acc.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:560
    • 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:8
    • 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:4824
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3356
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/8-15-0x00000000003A0000-0x00000000003B1000-memory.dmp

    Filesize

    68KB

  • memory/8-16-0x0000000075920000-0x0000000075A5C000-memory.dmp

    Filesize

    1.2MB

  • memory/560-0-0x0000000000400000-0x000000000106C000-memory.dmp

    Filesize

    12.4MB

  • memory/560-1-0x0000000000400000-0x000000000106C000-memory.dmp

    Filesize

    12.4MB

  • memory/560-13-0x0000000000400000-0x000000000106C000-memory.dmp

    Filesize

    12.4MB

  • memory/3356-19-0x00000000003A0000-0x00000000003B1000-memory.dmp

    Filesize

    68KB

  • memory/4424-34-0x00000000003A0000-0x00000000003B1000-memory.dmp

    Filesize

    68KB