Analysis

  • max time kernel
    131s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 10:40

General

  • Target

    Ödeme Bildirimi.exe

  • Size

    810.6MB

  • MD5

    a3f700514749f369f3507fdfa6bb3c65

  • SHA1

    293d04cbbe7ad6ca487fcfd636d6958d56ef600c

  • SHA256

    28786549dcee2c3cf67854e1101ffbd507b2223d8ae2dffa5a2590362e758e82

  • SHA512

    299b1213126f2e0862d1d952ebcf24a8bf268364acf68524ae468694fe15bfe133d37a237b44a9da7b16387d98eb1023a534c2333122d0bc011a8042e67cddc5

  • SSDEEP

    12288:hVVywOkU2xS62NUFME/fMv1vHXpcMh+RjQVcsavRrCLhlg202U3CC:9ywGR6DbMv1vyRjQKr4k1f3C

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7041378796:AAE8c59sEoGb66PY7RqWPkvx-1dUpu0RsHs/

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
    "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4760
    • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
      "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
      2⤵
        PID:3664
      • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
        "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
        2⤵
          PID:1556
        • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
          "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
          2⤵
            PID:3172
          • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
            "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4492

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tdx3mlin.faw.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/3900-10-0x00000000069A0000-0x0000000006A3C000-memory.dmp

          Filesize

          624KB

        • memory/3900-14-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3900-3-0x0000000005440000-0x00000000054D2000-memory.dmp

          Filesize

          584KB

        • memory/3900-0-0x000000007489E000-0x000000007489F000-memory.dmp

          Filesize

          4KB

        • memory/3900-5-0x0000000005550000-0x000000000555A000-memory.dmp

          Filesize

          40KB

        • memory/3900-6-0x0000000008170000-0x0000000008188000-memory.dmp

          Filesize

          96KB

        • memory/3900-7-0x000000007489E000-0x000000007489F000-memory.dmp

          Filesize

          4KB

        • memory/3900-8-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3900-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

          Filesize

          5.6MB

        • memory/3900-9-0x0000000006780000-0x0000000006802000-memory.dmp

          Filesize

          520KB

        • memory/3900-4-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3900-1-0x0000000000990000-0x0000000000A3A000-memory.dmp

          Filesize

          680KB

        • memory/4492-11-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/4492-16-0x00000000052F0000-0x0000000005356000-memory.dmp

          Filesize

          408KB

        • memory/4492-63-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4492-15-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4492-62-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4492-36-0x00000000060B0000-0x0000000006100000-memory.dmp

          Filesize

          320KB

        • memory/4492-13-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4760-23-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4760-49-0x0000000007330000-0x00000000073D3000-memory.dmp

          Filesize

          652KB

        • memory/4760-21-0x0000000005260000-0x00000000052C6000-memory.dmp

          Filesize

          408KB

        • memory/4760-24-0x0000000005AF0000-0x0000000005E44000-memory.dmp

          Filesize

          3.3MB

        • memory/4760-20-0x00000000051C0000-0x00000000051E2000-memory.dmp

          Filesize

          136KB

        • memory/4760-34-0x0000000006160000-0x000000000617E000-memory.dmp

          Filesize

          120KB

        • memory/4760-35-0x0000000006230000-0x000000000627C000-memory.dmp

          Filesize

          304KB

        • memory/4760-19-0x0000000005380000-0x00000000059A8000-memory.dmp

          Filesize

          6.2MB

        • memory/4760-38-0x0000000070510000-0x000000007055C000-memory.dmp

          Filesize

          304KB

        • memory/4760-37-0x00000000072E0000-0x0000000007312000-memory.dmp

          Filesize

          200KB

        • memory/4760-48-0x00000000072C0000-0x00000000072DE000-memory.dmp

          Filesize

          120KB

        • memory/4760-22-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4760-50-0x0000000007AC0000-0x000000000813A000-memory.dmp

          Filesize

          6.5MB

        • memory/4760-51-0x0000000007480000-0x000000000749A000-memory.dmp

          Filesize

          104KB

        • memory/4760-52-0x00000000074F0000-0x00000000074FA000-memory.dmp

          Filesize

          40KB

        • memory/4760-53-0x0000000007700000-0x0000000007796000-memory.dmp

          Filesize

          600KB

        • memory/4760-54-0x0000000007680000-0x0000000007691000-memory.dmp

          Filesize

          68KB

        • memory/4760-55-0x00000000076B0000-0x00000000076BE000-memory.dmp

          Filesize

          56KB

        • memory/4760-56-0x00000000076C0000-0x00000000076D4000-memory.dmp

          Filesize

          80KB

        • memory/4760-57-0x00000000077C0000-0x00000000077DA000-memory.dmp

          Filesize

          104KB

        • memory/4760-58-0x00000000077A0000-0x00000000077A8000-memory.dmp

          Filesize

          32KB

        • memory/4760-61-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4760-18-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/4760-17-0x0000000002840000-0x0000000002876000-memory.dmp

          Filesize

          216KB