Analysis

  • max time kernel
    91s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 18:54

General

  • Target

    RF_DHL KULI500796821_PO200000035_SCAN DOCS.exe

  • Size

    450KB

  • MD5

    8f178a002181e9b40cd09e244b61d1c9

  • SHA1

    ea47dfa2d70ee217a9a5c4cf19c66c8a65108fc4

  • SHA256

    bc3ad77264762f9b266ab641f391bbb456ef4bc5c27f64b884506eeaa84dfe58

  • SHA512

    fa15075384a95e57c2077127fbccfc4eeed67d81cf140685c416858a7ca9bc5d310149d0952bf6fbdcfc0db65f7a53d1508edfadd490e69e1333137b5a327d15

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    petersonhouston@yandex.com
  • Password:
    faith12AB

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821_PO200000035_SCAN DOCS.exe
    "C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821_PO200000035_SCAN DOCS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:4068
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2532
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:3948

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Collection

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2532-135-0x0000000000000000-mapping.dmp
      • memory/2532-136-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/2532-137-0x0000000005D40000-0x0000000005DA6000-memory.dmp
        Filesize

        408KB

      • memory/2532-138-0x0000000006A40000-0x0000000006A90000-memory.dmp
        Filesize

        320KB

      • memory/2532-140-0x0000000006C80000-0x0000000006C8A000-memory.dmp
        Filesize

        40KB

      • memory/3196-130-0x00000000005E0000-0x0000000000656000-memory.dmp
        Filesize

        472KB

      • memory/3196-131-0x0000000007AD0000-0x0000000008074000-memory.dmp
        Filesize

        5.6MB

      • memory/3196-132-0x00000000075C0000-0x0000000007652000-memory.dmp
        Filesize

        584KB

      • memory/3196-133-0x00000000085A0000-0x000000000863C000-memory.dmp
        Filesize

        624KB

      • memory/3948-139-0x0000000000000000-mapping.dmp
      • memory/4068-134-0x0000000000000000-mapping.dmp