Analysis

  • max time kernel
    136s
  • max time network
    140s
  • 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, 06:56

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 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:2996
    • 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:2748
    • C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe
      "C:\Users\Admin\AppData\Local\Temp\Ödeme Bildirimi.exe"
      2⤵
        PID:4604
      • 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:3800

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ocugt2wl.rwb.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2748-48-0x0000000006460000-0x000000000647E000-memory.dmp

      Filesize

      120KB

    • memory/2748-50-0x00000000077C0000-0x0000000007E3A000-memory.dmp

      Filesize

      6.5MB

    • memory/2748-32-0x0000000005890000-0x0000000005BE4000-memory.dmp

      Filesize

      3.3MB

    • memory/2748-61-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-58-0x0000000007490000-0x0000000007498000-memory.dmp

      Filesize

      32KB

    • memory/2748-57-0x00000000074B0000-0x00000000074CA000-memory.dmp

      Filesize

      104KB

    • memory/2748-56-0x00000000073B0000-0x00000000073C4000-memory.dmp

      Filesize

      80KB

    • memory/2748-55-0x00000000073A0000-0x00000000073AE000-memory.dmp

      Filesize

      56KB

    • memory/2748-54-0x0000000007370000-0x0000000007381000-memory.dmp

      Filesize

      68KB

    • memory/2748-53-0x00000000073F0000-0x0000000007486000-memory.dmp

      Filesize

      600KB

    • memory/2748-52-0x00000000071E0000-0x00000000071EA000-memory.dmp

      Filesize

      40KB

    • memory/2748-51-0x0000000007170000-0x000000000718A000-memory.dmp

      Filesize

      104KB

    • memory/2748-49-0x0000000006E50000-0x0000000006EF3000-memory.dmp

      Filesize

      652KB

    • memory/2748-38-0x0000000070C00000-0x0000000070C4C000-memory.dmp

      Filesize

      304KB

    • memory/2748-17-0x0000000002520000-0x0000000002556000-memory.dmp

      Filesize

      216KB

    • memory/2748-37-0x0000000006420000-0x0000000006452000-memory.dmp

      Filesize

      200KB

    • memory/2748-18-0x0000000005060000-0x0000000005688000-memory.dmp

      Filesize

      6.2MB

    • memory/2748-19-0x0000000004E80000-0x0000000004EA2000-memory.dmp

      Filesize

      136KB

    • memory/2748-21-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-20-0x0000000005700000-0x0000000005766000-memory.dmp

      Filesize

      408KB

    • memory/2748-34-0x0000000005E40000-0x0000000005E5E000-memory.dmp

      Filesize

      120KB

    • memory/2748-31-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-35-0x0000000005E80000-0x0000000005ECC000-memory.dmp

      Filesize

      304KB

    • memory/2748-33-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2996-8-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2996-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

      Filesize

      5.6MB

    • memory/2996-4-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2996-5-0x0000000005200000-0x000000000520A000-memory.dmp

      Filesize

      40KB

    • memory/2996-1-0x0000000000650000-0x00000000006FA000-memory.dmp

      Filesize

      680KB

    • memory/2996-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

      Filesize

      4KB

    • memory/2996-14-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2996-3-0x0000000005100000-0x0000000005192000-memory.dmp

      Filesize

      584KB

    • memory/2996-6-0x0000000007E40000-0x0000000007E58000-memory.dmp

      Filesize

      96KB

    • memory/2996-7-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

      Filesize

      4KB

    • memory/2996-10-0x000000000A670000-0x000000000A70C000-memory.dmp

      Filesize

      624KB

    • memory/2996-9-0x0000000007EF0000-0x0000000007F72000-memory.dmp

      Filesize

      520KB

    • memory/3800-15-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3800-36-0x0000000006800000-0x0000000006850000-memory.dmp

      Filesize

      320KB

    • memory/3800-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3800-16-0x0000000005A20000-0x0000000005A86000-memory.dmp

      Filesize

      408KB

    • memory/3800-13-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3800-62-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB