Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-09-2024 22:47

General

  • Target

    ae7bc6b6f6ecb206a7b957e4bb86e0d11845c5b2d9f7a00a482bef63b567ce4c.exe

  • Size

    6.3MB

  • MD5

    3b9d26d2e7433749f2c32edb13a2b0a2

  • SHA1

    969437df8f4ad08542ce8fc9831fc49a7765b7c5

  • SHA256

    ae7bc6b6f6ecb206a7b957e4bb86e0d11845c5b2d9f7a00a482bef63b567ce4c

  • SHA512

    51b95e19087d44f5dc4f8f3fb2cb1151f0b4dee7069bd1bfecdbe1db7326f9b44733a0eccf513ec9763d613f183ba7dc1184ce2f448591aa2e4234f823b1885e

  • SSDEEP

    98304:+ykOxJ8lTRRQIJ2ZL2T6T+TAt0vFxPCslwmvvsF9gn:+ykO38lT3D6qTZPCsle7gn

Malware Config

Extracted

Family

cryptbot

C2

thirtv13pn.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 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\ae7bc6b6f6ecb206a7b957e4bb86e0d11845c5b2d9f7a00a482bef63b567ce4c.exe
    "C:\Users\Admin\AppData\Local\Temp\ae7bc6b6f6ecb206a7b957e4bb86e0d11845c5b2d9f7a00a482bef63b567ce4c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2760
    • 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:2424
    • 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:1312
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1816
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1816-25-0x0000000000010000-0x0000000000021000-memory.dmp

    Filesize

    68KB

  • memory/2424-15-0x0000000000010000-0x0000000000021000-memory.dmp

    Filesize

    68KB

  • memory/2424-16-0x0000000074A20000-0x0000000074B5C000-memory.dmp

    Filesize

    1.2MB

  • memory/2760-0-0x0000000000400000-0x000000000106C000-memory.dmp

    Filesize

    12.4MB

  • memory/2760-1-0x0000000000400000-0x000000000106C000-memory.dmp

    Filesize

    12.4MB

  • memory/2760-13-0x0000000000400000-0x000000000106C000-memory.dmp

    Filesize

    12.4MB

  • memory/2964-40-0x0000000000010000-0x0000000000021000-memory.dmp

    Filesize

    68KB