Analysis

  • max time kernel
    113s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2023, 20:43

General

  • Target

    Hesapzeti.pdf.exe

  • Size

    540KB

  • MD5

    e80eeba3f3f250de2759818b6ca2b030

  • SHA1

    a4b7821fd9b2e51ef22032e51643b907d08c8bd8

  • SHA256

    050ff72362dbca4fcf4aab3117d7215c3f66f6c271f0f03955e75e3083fb6bb1

  • SHA512

    813f3ab9e9e607f77c40de2ee12f96875a2be6c6700fa91d9f2e1ff6d8e3620da5300991414e033169fe4902facc7ad0bbbfd4d77f8ae910dfed7a9256a92c71

  • SSDEEP

    6144:N4455J7Fs5eH+8o9nWVgCC0z1u1TijTAfdnaLig/oT4u19kLjryE68xrXGxqntAO:hRO7io1KAln09/oB9WjrL1bvt

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5830566856:AAGWFy9uABhntGSW37Ll1sdhis_3Sq_arBM/sendMessage?chat_id=1467583453

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:544

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/544-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/544-68-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/544-72-0x0000000000790000-0x00000000007D0000-memory.dmp

          Filesize

          256KB

        • memory/544-71-0x0000000000790000-0x00000000007D0000-memory.dmp

          Filesize

          256KB

        • memory/544-70-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/544-64-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/544-66-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/544-61-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/544-62-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/544-63-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1060-55-0x0000000004D30000-0x0000000004D70000-memory.dmp

          Filesize

          256KB

        • memory/1060-60-0x00000000008A0000-0x00000000008C8000-memory.dmp

          Filesize

          160KB

        • memory/1060-54-0x0000000000150000-0x00000000001DE000-memory.dmp

          Filesize

          568KB

        • memory/1060-59-0x0000000005030000-0x0000000005090000-memory.dmp

          Filesize

          384KB

        • memory/1060-58-0x0000000000370000-0x000000000037C000-memory.dmp

          Filesize

          48KB

        • memory/1060-57-0x0000000004D30000-0x0000000004D70000-memory.dmp

          Filesize

          256KB

        • memory/1060-56-0x0000000000260000-0x0000000000270000-memory.dmp

          Filesize

          64KB