Analysis

  • max time kernel
    185s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:36

General

  • Target

    RFQ REF R2100131410.pdf.exe

  • Size

    609KB

  • MD5

    56a28ee77b6d112ac1d2e6e6dca262e1

  • SHA1

    a57a6582e50d10d2320b9334cf9b8dc5f3876f6e

  • SHA256

    a1ae3cae3a7b93cf6120c02c769ba0779bc367f892e0aebc5809b7ec936e1c0f

  • SHA512

    e15e99434aa9a7ee2c4e95e7c8fb43b556635f278dd29d0513773ddb6759500a96cadae528ea3f83db6c5287f469e8a97158aad4f5bd1c7c0bdd837a40ea2818

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sOeKk#E6

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:520
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3604

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/520-133-0x0000000000000000-mapping.dmp

    • memory/3604-134-0x0000000000000000-mapping.dmp

    • memory/3604-135-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3604-136-0x0000000005D60000-0x0000000006304000-memory.dmp

      Filesize

      5.6MB

    • memory/3604-137-0x0000000006650000-0x00000000066B6000-memory.dmp

      Filesize

      408KB

    • memory/3604-138-0x0000000006B90000-0x0000000006BE0000-memory.dmp

      Filesize

      320KB

    • memory/3604-139-0x0000000006D50000-0x0000000006D5A000-memory.dmp

      Filesize

      40KB

    • memory/4220-130-0x0000000000C90000-0x0000000000D2E000-memory.dmp

      Filesize

      632KB

    • memory/4220-131-0x00000000056B0000-0x000000000574C000-memory.dmp

      Filesize

      624KB

    • memory/4220-132-0x0000000005870000-0x0000000005902000-memory.dmp

      Filesize

      584KB