Analysis

  • max time kernel
    295s
  • max time network
    188s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-10-2024 01:48

General

  • Target

    4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe

  • Size

    6.8MB

  • MD5

    8022d07f97b41440f4be8229f5a57069

  • SHA1

    313b34e34c003aa7d4bfd84f7dc6e44503a1e4b7

  • SHA256

    4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404

  • SHA512

    17fd1e31a91d9f0a1303b09d31e815aeed05de5c99e4b821af9b5366e3fa7d4505350b11cc530181b4d5054bfcd457dac45d497aac9556f42a882c5fc9958bb1

  • SSDEEP

    49152:I8oGKIqb64Lw0fGPWVsWeqU9eR7FToV4SFqSiqL7EI4ohxbq3zDzAQJ5JZGW:I8tj4MiB5eqkyFUV4

Malware Config

Signatures

  • CryptBot

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

  • Detects CryptBot payload 1 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 6 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\4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe
    "C:\Users\Admin\AppData\Local\Temp\4d17234e7d928fe07ad348777e08e80cf1b50530c7997645b5f4eb896c0d4404.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2064
    • 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:1648
    • 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:4132
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3128
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4648
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3008
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4568
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:5024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1648-21-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

    Filesize

    72KB

  • memory/1648-22-0x0000000074640000-0x0000000074774000-memory.dmp

    Filesize

    1.2MB

  • memory/2064-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

    Filesize

    6.7MB

  • memory/2064-9-0x0000000000070000-0x000000000073B000-memory.dmp

    Filesize

    6.8MB

  • memory/2064-19-0x0000000000070000-0x000000000073B000-memory.dmp

    Filesize

    6.8MB

  • memory/3008-57-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

    Filesize

    72KB

  • memory/3128-27-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

    Filesize

    72KB

  • memory/4568-72-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

    Filesize

    72KB

  • memory/4648-42-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

    Filesize

    72KB