Analysis

  • max time kernel
    143s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 01:27

General

  • Target

    8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe

  • Size

    6.3MB

  • MD5

    7cf0185642f838bbc7302042ab125738

  • SHA1

    3f3ceaa4357b16cf858bb41164b65abfd8525bc9

  • SHA256

    8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3

  • SHA512

    fd07883848044c661d97c89eaf97f223912aafb37f646d13bb112f68f122b060f2495133e8602c21f54f7225fd54d2fbd1d82df8721aab8519aa975d9b036291

  • SSDEEP

    49152:GvDlD8EId8DvlKyA5RkLxNumu6Rn8QIdidmN3qE1g5xyl+3OY5b4N+2E5fqmOgPO:GLDIodU91g5xlX5tIVOCKl21p

Malware Config

Extracted

Family

cryptbot

C2

twov2sb.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\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe
    "C:\Users\Admin\AppData\Local\Temp\8308a1f017b0424a8454d518ac05fcac0a7303e78fbbb1ab917ed311f1a1e8c3.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2744
    • 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:2828
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A9C1A1A1-06AB-432F-8031-163D89EE57BE} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2152
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1852-36-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

    Filesize

    68KB

  • memory/2152-21-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

    Filesize

    68KB

  • memory/2492-0-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/2492-1-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/2492-14-0x0000000000400000-0x0000000001064000-memory.dmp

    Filesize

    12.4MB

  • memory/2744-16-0x0000000000EB0000-0x0000000000EC1000-memory.dmp

    Filesize

    68KB

  • memory/2744-17-0x0000000074C70000-0x0000000074DAC000-memory.dmp

    Filesize

    1.2MB