Analysis

  • max time kernel
    152s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 02:40

General

  • Target

    PURCHASE ORDER.exe

  • Size

    774KB

  • MD5

    ff421faa4b17974486f95a00c833a57e

  • SHA1

    d32163ad0cb86b6a7c7b90e7928f3ea13bbe73f0

  • SHA256

    2c4d09a1ac0440d4b7f40c445c29e4b22ab1527d04790ee6b37d22f4412f3f77

  • SHA512

    e15ce117eab9ac979072583c2c1d8ddd4f8f2023f32c550dd48d2092bf576366e0a0e1b3d4efca86136e3e4a5749b3a13f3f0ce0d956723a27a5bac4e66d6fd2

  • SSDEEP

    24576:9F1HR8f5QDHqCfvNuD7u8aT6nDqF8tJ312Z:fJ6fQHqCfvgPu8a4DqF8tJl2

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    N@DRpoY0

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:908
  • 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=1412 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1860

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PURCHASE ORDER.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/908-11-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/908-20-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
      Filesize

      64KB

    • memory/908-19-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/908-18-0x0000000005D40000-0x0000000005D90000-memory.dmp
      Filesize

      320KB

    • memory/908-17-0x0000000004F30000-0x0000000004F96000-memory.dmp
      Filesize

      408KB

    • memory/908-15-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
      Filesize

      64KB

    • memory/908-14-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/2696-10-0x000000000CB10000-0x000000000CBAC000-memory.dmp
      Filesize

      624KB

    • memory/2696-9-0x00000000051C0000-0x0000000005244000-memory.dmp
      Filesize

      528KB

    • memory/2696-0-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/2696-8-0x0000000005BC0000-0x0000000005BD4000-memory.dmp
      Filesize

      80KB

    • memory/2696-7-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/2696-6-0x0000000005BA0000-0x0000000005BC0000-memory.dmp
      Filesize

      128KB

    • memory/2696-5-0x0000000005990000-0x000000000599A000-memory.dmp
      Filesize

      40KB

    • memory/2696-16-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/2696-4-0x0000000005A10000-0x0000000005A20000-memory.dmp
      Filesize

      64KB

    • memory/2696-3-0x0000000005800000-0x0000000005892000-memory.dmp
      Filesize

      584KB

    • memory/2696-2-0x0000000005DB0000-0x0000000006354000-memory.dmp
      Filesize

      5.6MB

    • memory/2696-1-0x0000000000D30000-0x0000000000DF8000-memory.dmp
      Filesize

      800KB