Analysis

  • max time kernel
    106s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 03:44

General

  • Target

    hesaphareketi-01.pdf.exe

  • Size

    1.5MB

  • MD5

    add9f3b243e1b69cc4ba4c336a1cb03a

  • SHA1

    edfc85a5010db4c029d987df6df2bbafa9b0fcd6

  • SHA256

    a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203

  • SHA512

    c10d1a96b83eabb9c429abe21c54cb5c59d6f29a0263efb2ecb0c3e1c28d3ba9cb85cabc4b483cdb20e2cad57836f547e7a0538adfabb83be1917c75aa5c38b0

  • SSDEEP

    24576:HXEo56LpdQD5tpywgrcZC6rJhgtkxPPAAPx2cAYDphEVvrss4PXtLIfzNmpLLGVz:cCPQnVvoLX8yLKrYWtjxX

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.tekserendustriyel.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    chuzy2024@

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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4548
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:2428

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4320-0-0x00007FFD22460000-0x00007FFD22729000-memory.dmp

            Filesize

            2.8MB

          • memory/4320-1-0x000002424D490000-0x000002424D4A4000-memory.dmp

            Filesize

            80KB

          • memory/4320-2-0x00007FFD22460000-0x00007FFD22729000-memory.dmp

            Filesize

            2.8MB

          • memory/4320-3-0x00007FFD22460000-0x00007FFD22729000-memory.dmp

            Filesize

            2.8MB

          • memory/4320-4-0x0000024265E00000-0x0000024265E92000-memory.dmp

            Filesize

            584KB

          • memory/4320-10-0x00007FFD22460000-0x00007FFD22729000-memory.dmp

            Filesize

            2.8MB

          • memory/4548-8-0x00000000059D0000-0x0000000005A36000-memory.dmp

            Filesize

            408KB

          • memory/4548-7-0x0000000005E80000-0x0000000006424000-memory.dmp

            Filesize

            5.6MB

          • memory/4548-6-0x00000000743BE000-0x00000000743BF000-memory.dmp

            Filesize

            4KB

          • memory/4548-9-0x00000000743B0000-0x0000000074B60000-memory.dmp

            Filesize

            7.7MB

          • memory/4548-5-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4548-11-0x0000000006CC0000-0x0000000006D10000-memory.dmp

            Filesize

            320KB

          • memory/4548-12-0x0000000006DB0000-0x0000000006E42000-memory.dmp

            Filesize

            584KB

          • memory/4548-13-0x0000000006F40000-0x0000000006F4A000-memory.dmp

            Filesize

            40KB

          • memory/4548-14-0x00000000743BE000-0x00000000743BF000-memory.dmp

            Filesize

            4KB

          • memory/4548-15-0x00000000743B0000-0x0000000074B60000-memory.dmp

            Filesize

            7.7MB