Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 12:06

General

  • Target

    97c33b2be921c8f6933b5f7f208890996b3b27e178fdfe532af01377d06b9e08.exe

  • Size

    1.1MB

  • MD5

    8a8567108b8dc359905ae398bad6aaec

  • SHA1

    4c745c96521c47d5cbdc6f8611b31b97506a6aa6

  • SHA256

    97c33b2be921c8f6933b5f7f208890996b3b27e178fdfe532af01377d06b9e08

  • SHA512

    f4d9038b7fcf6eee600afdb83cc853c3ec3e87a129b2e962ee1367e43f73a379546375ffe60f906888ace7769ec75dce17d2f3fceaff32f3d8849dc644f6e0b4

  • SSDEEP

    24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8a88kvWSp1FPIX:4TvC/MTQYxsWR7a83LdI

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    }7A;Adw^&~wE

Signatures

  • AgentTesla

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

  • 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97c33b2be921c8f6933b5f7f208890996b3b27e178fdfe532af01377d06b9e08.exe
    "C:\Users\Admin\AppData\Local\Temp\97c33b2be921c8f6933b5f7f208890996b3b27e178fdfe532af01377d06b9e08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\97c33b2be921c8f6933b5f7f208890996b3b27e178fdfe532af01377d06b9e08.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1784
  • 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=5092 --field-trial-handle=2252,i,11231798169170618717,17890004712654885282,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4560

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1784-11-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1784-12-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1784-13-0x0000000005CC0000-0x0000000006264000-memory.dmp

            Filesize

            5.6MB

          • memory/1784-14-0x00000000030C0000-0x00000000030D0000-memory.dmp

            Filesize

            64KB

          • memory/1784-15-0x0000000005710000-0x0000000005776000-memory.dmp

            Filesize

            408KB

          • memory/1784-16-0x0000000006B60000-0x0000000006BB0000-memory.dmp

            Filesize

            320KB

          • memory/1784-17-0x0000000006C50000-0x0000000006CE2000-memory.dmp

            Filesize

            584KB

          • memory/1784-18-0x0000000006BE0000-0x0000000006BEA000-memory.dmp

            Filesize

            40KB

          • memory/1784-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1784-20-0x00000000030C0000-0x00000000030D0000-memory.dmp

            Filesize

            64KB

          • memory/4452-10-0x0000000000FB0000-0x0000000000FB4000-memory.dmp

            Filesize

            16KB