Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 15:22

General

  • Target

    08513024393b06758c2877866c7d1c491d6cabc6a0660e462ef86e1e41436d47.exe

  • Size

    6.4MB

  • MD5

    86009878e773a32559fc89f0aabd0119

  • SHA1

    4d038229bf1c2ef0b0d8eda5548a482bb968bdd7

  • SHA256

    08513024393b06758c2877866c7d1c491d6cabc6a0660e462ef86e1e41436d47

  • SHA512

    e98e21473e489b3a3a8d72647242aad9b29474dc97c77d4c38348bc5aa7f1219344dcbd79392e0607ec436e9faa36adf675b15141e6515e2979ad92deaa38415

  • SSDEEP

    98304:afbMZZqPt08wj1NPuZCQmrwiFW+ME05DA17:afbuQt0v1JuZwrq+zADA17

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.

  • 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\08513024393b06758c2877866c7d1c491d6cabc6a0660e462ef86e1e41436d47.exe
    "C:\Users\Admin\AppData\Local\Temp\08513024393b06758c2877866c7d1c491d6cabc6a0660e462ef86e1e41436d47.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2808
    • 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:3048
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F1FA42E9-CE9F-42A4-A764-0B274F02D023} S-1-5-21-1506706701-1246725540-2219210854-1000:MUYDDIIS\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2032
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1652-0-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/1652-1-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/1652-2-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/1652-14-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/1712-44-0x0000000000AB0000-0x0000000000AC1000-memory.dmp

    Filesize

    68KB

  • memory/2032-29-0x0000000000AB0000-0x0000000000AC1000-memory.dmp

    Filesize

    68KB

  • memory/2808-16-0x0000000000AB0000-0x0000000000AC1000-memory.dmp

    Filesize

    68KB

  • memory/2808-17-0x0000000074D80000-0x0000000074EBC000-memory.dmp

    Filesize

    1.2MB