Analysis

  • max time kernel
    291s
  • max time network
    287s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-09-2024 05:03

General

  • Target

    4d10776348522e720fd36f175f9f735039e4aa3ae9543886320cd75e45e77754.exe

  • Size

    6.3MB

  • MD5

    2426fa19f0c2cc5de92d6ef43337c2d1

  • SHA1

    97b742a006365ad06a8d0933da8d72c51cca8e63

  • SHA256

    4d10776348522e720fd36f175f9f735039e4aa3ae9543886320cd75e45e77754

  • SHA512

    e6dfea55d923c4fa9a6e2e1d9dfa63ec1a5a4b34ce652dbed7b1442f92e628a18d7734128c735757665e07ceb4ca1fff891bea816925177462181242c6075690

  • SSDEEP

    49152:HEpLcqGtEt9N3TZJP4it6eBVwK1tN4VMFeh9wO8pavgzG25VJGS+0DA7k67laoxL:HEpNLsLwK8JxNDAAdIH1wrtF/5kL9Et+

Malware Config

Extracted

Family

cryptbot

C2

sevtvf17pt.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 5 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 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\4d10776348522e720fd36f175f9f735039e4aa3ae9543886320cd75e45e77754.exe
    "C:\Users\Admin\AppData\Local\Temp\4d10776348522e720fd36f175f9f735039e4aa3ae9543886320cd75e45e77754.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:412
    • 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:4840
    • 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:812
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1548
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:5108
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4336
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/412-0-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/412-1-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/412-10-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/1548-20-0x0000000000220000-0x0000000000231000-memory.dmp

    Filesize

    68KB

  • memory/2552-65-0x0000000000220000-0x0000000000231000-memory.dmp

    Filesize

    68KB

  • memory/4336-50-0x0000000000220000-0x0000000000231000-memory.dmp

    Filesize

    68KB

  • memory/4840-12-0x0000000000220000-0x0000000000231000-memory.dmp

    Filesize

    68KB

  • memory/4840-13-0x0000000074620000-0x000000007475C000-memory.dmp

    Filesize

    1.2MB

  • memory/5108-35-0x0000000000220000-0x0000000000231000-memory.dmp

    Filesize

    68KB