Analysis

  • max time kernel
    125s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2024, 01:10

General

  • Target

    HMFZ0772 [Pedido].exe

  • Size

    807KB

  • MD5

    527bca61d4b5dc66fe7844d538d08a87

  • SHA1

    ac4faf38cd45f059233b86ae86ed4539e84ed9e1

  • SHA256

    74d9431b9ca92014c5d687bc0515de79c81917c3bba3896804d4e6c912d5b024

  • SHA512

    4e82ffc38f1d00b2016fe884238aefcc48e5b7cda0a024c6992fd4e98265e866600860ea6f2e3d788a62826ae3822ca33b84fd8499dddfb4133d74bf25857230

  • SSDEEP

    12288:fujofC1PaZFJSi1+OFf2W8xqcdDJpj0598VmBkiP4YI7V9o9xvaeF8eujmKe:e1EFs0+mfmsoy8Vt37Venvaeluj/

Malware Config

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\HMFZ0772 [Pedido].exe
    "C:\Users\Admin\AppData\Local\Temp\HMFZ0772 [Pedido].exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\HMFZ0772 [Pedido].exe
      "C:\Users\Admin\AppData\Local\Temp\HMFZ0772 [Pedido].exe"
      2⤵
        PID:4392
      • C:\Users\Admin\AppData\Local\Temp\HMFZ0772 [Pedido].exe
        "C:\Users\Admin\AppData\Local\Temp\HMFZ0772 [Pedido].exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1548
    • 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 --field-trial-handle=3728,i,8550138573348074061,7308779696487990535,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /prefetch:8
      1⤵
        PID:4640

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HMFZ0772 [Pedido].exe.log

              Filesize

              1KB

              MD5

              8ec831f3e3a3f77e4a7b9cd32b48384c

              SHA1

              d83f09fd87c5bd86e045873c231c14836e76a05c

              SHA256

              7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

              SHA512

              26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

            • memory/1548-11-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/1548-19-0x0000000074890000-0x0000000075040000-memory.dmp

              Filesize

              7.7MB

            • memory/1548-18-0x0000000006530000-0x0000000006580000-memory.dmp

              Filesize

              320KB

            • memory/1548-17-0x0000000074890000-0x0000000075040000-memory.dmp

              Filesize

              7.7MB

            • memory/1548-16-0x0000000004FE0000-0x0000000005046000-memory.dmp

              Filesize

              408KB

            • memory/1548-14-0x0000000074890000-0x0000000075040000-memory.dmp

              Filesize

              7.7MB

            • memory/1960-4-0x0000000004E00000-0x0000000004E0A000-memory.dmp

              Filesize

              40KB

            • memory/1960-8-0x0000000002820000-0x000000000282C000-memory.dmp

              Filesize

              48KB

            • memory/1960-9-0x0000000006040000-0x00000000060C4000-memory.dmp

              Filesize

              528KB

            • memory/1960-7-0x0000000005080000-0x0000000005088000-memory.dmp

              Filesize

              32KB

            • memory/1960-10-0x0000000006160000-0x00000000061FC000-memory.dmp

              Filesize

              624KB

            • memory/1960-6-0x00000000050C0000-0x00000000050DA000-memory.dmp

              Filesize

              104KB

            • memory/1960-15-0x0000000074890000-0x0000000075040000-memory.dmp

              Filesize

              7.7MB

            • memory/1960-5-0x0000000074890000-0x0000000075040000-memory.dmp

              Filesize

              7.7MB

            • memory/1960-0-0x000000007489E000-0x000000007489F000-memory.dmp

              Filesize

              4KB

            • memory/1960-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

              Filesize

              584KB

            • memory/1960-2-0x0000000005510000-0x0000000005AB4000-memory.dmp

              Filesize

              5.6MB

            • memory/1960-1-0x0000000000370000-0x0000000000440000-memory.dmp

              Filesize

              832KB