Analysis

  • max time kernel
    130s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:55

General

  • Target

    PO_AUXT2.exe

  • Size

    693KB

  • MD5

    59377d421a5d8d2db2fb28b876ce842f

  • SHA1

    9d89884a4e810871e2784441d0628b1b3991f819

  • SHA256

    b1135688496020eb3e075121b22fb9c726c6021068ce415be82d8e48540dc563

  • SHA512

    ad26d71006cd7601cea7cd5c00d4e858b00876c30c475c79caa88aa20cefe3f8e87eb48bde48ff89a22588d8d4563d1ec287d695bad5166f169634545219563a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.urban.co.th
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Urban@1143

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\PO_AUXT2.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_AUXT2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2584

Network

MITRE ATT&CK Matrix ATT&CK v6

Collection

Email Collection

1
T1114

Replay Monitor

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Downloads

  • memory/2584-137-0x0000000000000000-mapping.dmp
  • memory/2584-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2584-139-0x00000000057E0000-0x0000000005846000-memory.dmp
    Filesize

    408KB

  • memory/2584-140-0x0000000006100000-0x0000000006150000-memory.dmp
    Filesize

    320KB

  • memory/4344-130-0x0000000000DD0000-0x0000000000E84000-memory.dmp
    Filesize

    720KB

  • memory/4344-131-0x0000000005830000-0x00000000058CC000-memory.dmp
    Filesize

    624KB

  • memory/4344-132-0x0000000005EB0000-0x0000000006454000-memory.dmp
    Filesize

    5.6MB

  • memory/4344-133-0x00000000059A0000-0x0000000005A32000-memory.dmp
    Filesize

    584KB

  • memory/4344-134-0x0000000005820000-0x000000000582A000-memory.dmp
    Filesize

    40KB

  • memory/4344-135-0x0000000005A40000-0x0000000005A96000-memory.dmp
    Filesize

    344KB

  • memory/4344-136-0x0000000005AA0000-0x0000000005B06000-memory.dmp
    Filesize

    408KB