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Analysis

  • max time kernel
    141s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 02:23

General

  • Target

    ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe

  • Size

    538KB

  • MD5

    81d4a6a1d18c240c26756635809b682c

  • SHA1

    b1c0cbc2c15ddc742f9be31123aa074f5762cf1b

  • SHA256

    ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e

  • SHA512

    4b710b2f514845ca990c98338db7881e59101d5f709538ecd8c14b0c9e5c69895a76e5acd6e31d0f12ed8ec253ce1b61a57dda662d0c663fe83297984b67b39a

  • SSDEEP

    12288:bU0+AzBAeB1hMqKvCUaJ1Cu18cSYsK8jWRPUS:1+Af/7Yu1vsnjI7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.svetigeorgije.co.rs
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    4c5H&b2whkD9

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe
    "C:\Users\Admin\AppData\Local\Temp\ff60bbf5cb211f593bcc6297cf57eb5aca69a26bb8f59a59a5f9e98c4576b69e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
        PID:4112
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        2⤵
          PID:912
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4848
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
            PID:1608

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2244-0-0x00007FF83C2D3000-0x00007FF83C2D5000-memory.dmp

          Filesize

          8KB

        • memory/2244-1-0x000001F778890000-0x000001F77889A000-memory.dmp

          Filesize

          40KB

        • memory/2244-2-0x000001F77AD00000-0x000001F77AD84000-memory.dmp

          Filesize

          528KB

        • memory/2244-3-0x00007FF83C2D0000-0x00007FF83CD91000-memory.dmp

          Filesize

          10.8MB

        • memory/2244-9-0x00007FF83C2D0000-0x00007FF83CD91000-memory.dmp

          Filesize

          10.8MB

        • memory/4848-8-0x0000000074D80000-0x0000000075530000-memory.dmp

          Filesize

          7.7MB

        • memory/4848-6-0x0000000005FD0000-0x0000000006574000-memory.dmp

          Filesize

          5.6MB

        • memory/4848-7-0x00000000058E0000-0x0000000005946000-memory.dmp

          Filesize

          408KB

        • memory/4848-5-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

          Filesize

          4KB

        • memory/4848-4-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4848-10-0x0000000006BA0000-0x0000000006C32000-memory.dmp

          Filesize

          584KB

        • memory/4848-11-0x0000000006B80000-0x0000000006B8A000-memory.dmp

          Filesize

          40KB

        • memory/4848-13-0x0000000006FF0000-0x00000000071B2000-memory.dmp

          Filesize

          1.8MB

        • memory/4848-12-0x0000000006DD0000-0x0000000006E20000-memory.dmp

          Filesize

          320KB

        • memory/4848-14-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

          Filesize

          4KB

        • memory/4848-15-0x0000000074D80000-0x0000000075530000-memory.dmp

          Filesize

          7.7MB