Analysis

  • max time kernel
    142s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2024, 01:55

General

  • Target

    d0b6908336ed7ec21717798aa2c451170bddc97c33e263ee356fec4bf3eee1bd.exe

  • Size

    6.4MB

  • MD5

    11dff4157b31de7105a8c859591da583

  • SHA1

    0ad03dffbe102a61b7c2ec820ee19f61e35b27cd

  • SHA256

    d0b6908336ed7ec21717798aa2c451170bddc97c33e263ee356fec4bf3eee1bd

  • SHA512

    6248f3b3e4cfaed691f45609cb0b17ba8e0c5911bda96ff3e622ac6cc7546b1543575173ef34fd2ffe856bc598da1473fa15bdb8686c0d785310620ecaf7aaf8

  • SSDEEP

    98304:02e5eRz8i5DPnORP64YkhY0Oyl419PPIm/iPB7:ne5m8i5DmEOhqyli9Ph8B7

Malware Config

Extracted

Family

cryptbot

C2

elevenvd11pt.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 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 2 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0b6908336ed7ec21717798aa2c451170bddc97c33e263ee356fec4bf3eee1bd.exe
    "C:\Users\Admin\AppData\Local\Temp\d0b6908336ed7ec21717798aa2c451170bddc97c33e263ee356fec4bf3eee1bd.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1236
    • 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:2544
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CE209C76-30CF-49BA-A779-FFED16B9D20F} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2288
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1236-16-0x0000000000890000-0x00000000008A1000-memory.dmp

    Filesize

    68KB

  • memory/1236-17-0x0000000074B70000-0x0000000074CAC000-memory.dmp

    Filesize

    1.2MB

  • memory/2080-38-0x0000000000890000-0x00000000008A1000-memory.dmp

    Filesize

    68KB

  • memory/2288-23-0x0000000000890000-0x00000000008A1000-memory.dmp

    Filesize

    68KB

  • memory/2776-0-0x0000000000400000-0x000000000106D000-memory.dmp

    Filesize

    12.4MB

  • memory/2776-1-0x0000000000400000-0x000000000106D000-memory.dmp

    Filesize

    12.4MB

  • memory/2776-13-0x0000000000400000-0x000000000106D000-memory.dmp

    Filesize

    12.4MB