Analysis

  • max time kernel
    143s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 10:34

General

  • Target

    TT-SWIFT-ERROR.exe

  • Size

    618KB

  • MD5

    adc47f20cba61f1a2f8171791a455d09

  • SHA1

    62508fbdde7bfb78e927495bb96d78ceb832a1ae

  • SHA256

    b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b

  • SHA512

    49ee25101729fe1d351d6b96861be96c0fe273ecc3c3378fc42848ef1d46f6e6128982b695de7a8639b1529791c541f4ad2077c93c11155dc0d5ebbe63e8414c

  • SSDEEP

    12288:4JMa5WyV/cXi7Cc8oZJfLyXrCt9vFjMRL9fPzDYUE8P8ITjEQ:4OS/kJoMIFCRhfgq8+j7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.y-pt.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe
    "C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4428
    • C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe
      "C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"
      2⤵
        PID:4068
      • C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe
        "C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:336
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3276 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4332

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/336-11-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/336-18-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/336-17-0x0000000006950000-0x00000000069A0000-memory.dmp
        Filesize

        320KB

      • memory/336-16-0x0000000005180000-0x00000000051E6000-memory.dmp
        Filesize

        408KB

      • memory/336-15-0x0000000005170000-0x0000000005180000-memory.dmp
        Filesize

        64KB

      • memory/336-13-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/4428-4-0x0000000005730000-0x0000000005740000-memory.dmp
        Filesize

        64KB

      • memory/4428-7-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/4428-8-0x00000000055D0000-0x00000000055DC000-memory.dmp
        Filesize

        48KB

      • memory/4428-9-0x00000000061C0000-0x0000000006244000-memory.dmp
        Filesize

        528KB

      • memory/4428-10-0x0000000007510000-0x00000000075AC000-memory.dmp
        Filesize

        624KB

      • memory/4428-6-0x0000000005510000-0x0000000005522000-memory.dmp
        Filesize

        72KB

      • memory/4428-5-0x00000000055C0000-0x00000000055CA000-memory.dmp
        Filesize

        40KB

      • memory/4428-14-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/4428-0-0x00000000752D0000-0x0000000075A80000-memory.dmp
        Filesize

        7.7MB

      • memory/4428-3-0x0000000005520000-0x00000000055B2000-memory.dmp
        Filesize

        584KB

      • memory/4428-2-0x00000000059F0000-0x0000000005F94000-memory.dmp
        Filesize

        5.6MB

      • memory/4428-1-0x0000000000A80000-0x0000000000B20000-memory.dmp
        Filesize

        640KB