Analysis

  • max time kernel
    67s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 10:52

General

  • Target

    SHIPPING DOCUMENTS_doc.exe

  • Size

    887KB

  • MD5

    72604d8c812c3358e9213024d3c4954d

  • SHA1

    930947eaf04e9ac6e5ccf798f07bfe60b194ae50

  • SHA256

    b81ce07ddc4e67ba7d1f5d1b6893e50eb2c2e0f4a7c5ce3dce1971eec3e6c999

  • SHA512

    fa441e1f64997319a0ce0aec12cc084c0219ba8131e184bf866d9497da918fde1f375be11f478ca5ab1e047653c30a769308d282bf1c6d481478f84db8db1494

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.acroative.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    onegod5050()

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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_doc.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_doc.exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS_doc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:608
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/608-55-0x00000000004AADC0-mapping.dmp
    • memory/608-57-0x00000000003B0000-0x0000000000400000-memory.dmp
      Filesize

      320KB

    • memory/608-58-0x00000000003B0000-0x0000000000400000-memory.dmp
      Filesize

      320KB

    • memory/608-60-0x0000000074030000-0x00000000745DB000-memory.dmp
      Filesize

      5.7MB

    • memory/652-61-0x0000000000000000-mapping.dmp
    • memory/884-54-0x0000000075D21000-0x0000000075D23000-memory.dmp
      Filesize

      8KB

    • memory/884-56-0x0000000000400000-0x00000000004E4000-memory.dmp
      Filesize

      912KB