Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:46

General

  • Target

    Shipping Doc_PDF.exe

  • Size

    710KB

  • MD5

    1dba966bc1920bd9f1b4878d16b8c191

  • SHA1

    233648fa89e9b39884bf5774b71456d30613d272

  • SHA256

    02455f39ff494cd973e1d1db2b9c8d097157c76cc0e634644f8f49dedee6c796

  • SHA512

    d6cc689f935630afa1824af3f7d7f44b359bc023bcc73acf46b47a432a90ae78dc196a17e42f33b126d8a03c178a6e597b29f0eb78a53d4bd4979c37dad4d3c1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.orqic.com
  • Port:
    587
  • Username:
    val@orqic.com
  • Password:
    sbNcOI)9

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 2 IoCs
  • 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Doc_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Doc_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\Shipping Doc_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Doc_PDF.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1168
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1332
      • C:\Users\Admin\AppData\Local\Temp\Shipping Doc_PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\Shipping Doc_PDF.exe" 2 1168 7075971
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:992

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/992-56-0x0000000000000000-mapping.dmp
    • memory/1168-55-0x00000000004AE260-mapping.dmp
    • memory/1168-58-0x0000000000510000-0x0000000000562000-memory.dmp
      Filesize

      328KB

    • memory/1168-57-0x0000000000510000-0x0000000000562000-memory.dmp
      Filesize

      328KB

    • memory/1168-62-0x0000000074A90000-0x000000007503B000-memory.dmp
      Filesize

      5.7MB

    • memory/1280-54-0x0000000076181000-0x0000000076183000-memory.dmp
      Filesize

      8KB

    • memory/1280-60-0x00000000004C0000-0x00000000004C9000-memory.dmp
      Filesize

      36KB

    • memory/1332-63-0x0000000000000000-mapping.dmp