Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2024, 07:29

General

  • Target

    hesaphareket.exe

  • Size

    956KB

  • MD5

    f698edb1fcf31bb642bc2e18b3f05813

  • SHA1

    b73dbfbedbe4bc7fad70def31c2bf94ec18ff992

  • SHA256

    5618efb4038198984ccca27de0dd5850a697038d9f0c2a9ad26b17bb26cc0f7b

  • SHA512

    1c5dac5b9ece2316e08ca770f918298be6da37ee2f44b076ae50c3f694b659fde9384077c0f39d598074936db93c068a9a3b66600e83acbaa4a8c8b6befaf30c

  • SSDEEP

    24576:U5Orr6zCDzxWGXyFML1yUWf5ObxB7hPAycTy8s:AzC5WGXmMByUWf5q1Ayc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ab+LNvim5PAo

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2988
    • 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\hesaphareket.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3516
    • C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareket.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4968

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qnuojx51.4fz.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2988-6-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2988-3-0x0000000005680000-0x0000000005712000-memory.dmp

          Filesize

          584KB

        • memory/2988-4-0x0000000005640000-0x000000000564A000-memory.dmp

          Filesize

          40KB

        • memory/2988-5-0x0000000005900000-0x000000000599C000-memory.dmp

          Filesize

          624KB

        • memory/2988-15-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2988-7-0x0000000005670000-0x0000000005682000-memory.dmp

          Filesize

          72KB

        • memory/2988-8-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

          Filesize

          4KB

        • memory/2988-9-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2988-10-0x0000000007050000-0x00000000070D6000-memory.dmp

          Filesize

          536KB

        • memory/2988-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

          Filesize

          4KB

        • memory/2988-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

          Filesize

          5.6MB

        • memory/2988-1-0x0000000000C70000-0x0000000000D66000-memory.dmp

          Filesize

          984KB

        • memory/3516-51-0x0000000007560000-0x0000000007BDA000-memory.dmp

          Filesize

          6.5MB

        • memory/3516-54-0x00000000071A0000-0x0000000007236000-memory.dmp

          Filesize

          600KB

        • memory/3516-62-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3516-18-0x0000000004660000-0x0000000004696000-memory.dmp

          Filesize

          216KB

        • memory/3516-19-0x0000000004E80000-0x00000000054A8000-memory.dmp

          Filesize

          6.2MB

        • memory/3516-20-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3516-21-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3516-27-0x0000000004E40000-0x0000000004E62000-memory.dmp

          Filesize

          136KB

        • memory/3516-59-0x0000000007240000-0x0000000007248000-memory.dmp

          Filesize

          32KB

        • memory/3516-32-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3516-33-0x0000000005640000-0x00000000056A6000-memory.dmp

          Filesize

          408KB

        • memory/3516-34-0x00000000057E0000-0x0000000005B34000-memory.dmp

          Filesize

          3.3MB

        • memory/3516-35-0x0000000005C00000-0x0000000005C1E000-memory.dmp

          Filesize

          120KB

        • memory/3516-36-0x0000000005CA0000-0x0000000005CEC000-memory.dmp

          Filesize

          304KB

        • memory/3516-58-0x0000000007260000-0x000000000727A000-memory.dmp

          Filesize

          104KB

        • memory/3516-39-0x0000000070B50000-0x0000000070B9C000-memory.dmp

          Filesize

          304KB

        • memory/3516-38-0x00000000061C0000-0x00000000061F2000-memory.dmp

          Filesize

          200KB

        • memory/3516-49-0x0000000006BB0000-0x0000000006BCE000-memory.dmp

          Filesize

          120KB

        • memory/3516-50-0x0000000006BE0000-0x0000000006C83000-memory.dmp

          Filesize

          652KB

        • memory/3516-57-0x0000000007160000-0x0000000007174000-memory.dmp

          Filesize

          80KB

        • memory/3516-52-0x0000000006F20000-0x0000000006F3A000-memory.dmp

          Filesize

          104KB

        • memory/3516-53-0x0000000006F90000-0x0000000006F9A000-memory.dmp

          Filesize

          40KB

        • memory/3516-56-0x0000000007150000-0x000000000715E000-memory.dmp

          Filesize

          56KB

        • memory/3516-55-0x0000000007120000-0x0000000007131000-memory.dmp

          Filesize

          68KB

        • memory/4968-17-0x00000000055E0000-0x0000000005646000-memory.dmp

          Filesize

          408KB

        • memory/4968-11-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/4968-37-0x00000000063A0000-0x00000000063F0000-memory.dmp

          Filesize

          320KB

        • memory/4968-14-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4968-16-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4968-63-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4968-64-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB