Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • submitted
    27/08/2024, 23:35

General

  • Target
    DHl Delivery reciept.exe
  • Sample240827-3ld2tsxbjd

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.sapgroup.com.pk

  • Port

    587

  • Password

    moin@26919

Signatures

  • 404 Keylogger

    Information stealer and keylogger first seen in 2019.

  • 404 Keylogger Main Executable 7 IoCs
  • 404Keylogger family
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe
    "C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe
      "C:\Users\Admin\AppData\Local\Temp\DHl Delivery reciept.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 1680
        3⤵
        • Program crash
        PID:3780
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1928 -ip 1928
    1⤵
      PID:4008

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          memory/1928-9-0x0000000000910000-0x0000000000932000-memory.dmp

          memory/1928-23-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1928-31-0x0000000000450000-0x0000000000519000-memory.dmp

          memory/1928-6-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1928-7-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1928-5-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1928-8-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1928-11-0x0000000000910000-0x0000000000932000-memory.dmp

          memory/1928-30-0x0000000006430000-0x00000000064C2000-memory.dmp

          memory/1928-28-0x0000000006060000-0x0000000006222000-memory.dmp

          memory/1928-22-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1928-24-0x00000000048E0000-0x0000000004E84000-memory.dmp

          memory/1928-25-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

          memory/1928-26-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1928-27-0x0000000005B20000-0x0000000005B86000-memory.dmp

          memory/4748-0-0x0000000002340000-0x0000000002341000-memory.dmp

          memory/4748-1-0x0000000000467000-0x000000000047A000-memory.dmp

          memory/4748-2-0x0000000000400000-0x00000000004A3000-memory.dmp