Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    14-12-2023 07:27

General

  • Target

    hesaphareketi-01.pdf.exe

  • Size

    560KB

  • MD5

    7e6398a6a7a38bf23efc22f9b18a420e

  • SHA1

    f61c84ae72b2c11fb845f104f79261c833aa5a73

  • SHA256

    750c597899063c79f01f196299eac7768daad827e0164f30c904000629474226

  • SHA512

    a05cb27edc472dd9774f1936306fe46b5b581461601009a4c4fcf158ba2041937605c64d8178b847f81e655011b9d6c8cc18ef9f6d7d9ebbef1e94a07b185ca4

  • SSDEEP

    12288:HVj3hLQvfdxOo7gpXtreF725DJXnyEmrzZt3TAZtmgm1+Y4nRkkb8DBMiG3fwC:2MLXyDz8fQ+XqhBMbr

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gkas.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Gkasteknik@2022

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oqIDqZpgbaL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oqIDqZpgbaL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB37.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2520
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB37.tmp

    Filesize

    1KB

    MD5

    39a72bf2abadf90e9301c82f531e9cdd

    SHA1

    75f2f21d461780a259c62264782b567cbdfee13e

    SHA256

    7120a055f98dcca39748af32a1c31dda31eb7c5b7153d602878fe518d03b69e1

    SHA512

    18a134a7a1c813fb8004b834e72caea2d9c84e8e4317e373085bbc24f26d8e85cc869aae2ed9bcbd5acad3ff4806ac069dfd61a3041417116c1285f782d0f3c7

  • memory/1740-0-0x0000000000A80000-0x0000000000B12000-memory.dmp

    Filesize

    584KB

  • memory/1740-1-0x0000000073DA0000-0x000000007448E000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-2-0x00000000021B0000-0x00000000021F0000-memory.dmp

    Filesize

    256KB

  • memory/1740-3-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/1740-4-0x0000000073DA0000-0x000000007448E000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-5-0x00000000021B0000-0x00000000021F0000-memory.dmp

    Filesize

    256KB

  • memory/1740-6-0x00000000003C0000-0x00000000003CC000-memory.dmp

    Filesize

    48KB

  • memory/1740-7-0x00000000048E0000-0x0000000004940000-memory.dmp

    Filesize

    384KB

  • memory/1740-24-0x0000000073DA0000-0x000000007448E000-memory.dmp

    Filesize

    6.9MB

  • memory/1876-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1876-30-0x0000000072D60000-0x000000007344E000-memory.dmp

    Filesize

    6.9MB

  • memory/1876-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1876-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1876-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1876-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1876-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1876-26-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1876-35-0x0000000072D60000-0x000000007344E000-memory.dmp

    Filesize

    6.9MB

  • memory/1876-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1876-34-0x0000000000A40000-0x0000000000A80000-memory.dmp

    Filesize

    256KB

  • memory/2688-27-0x000000006E440000-0x000000006E9EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-32-0x00000000026E0000-0x0000000002720000-memory.dmp

    Filesize

    256KB

  • memory/2688-31-0x00000000026E0000-0x0000000002720000-memory.dmp

    Filesize

    256KB

  • memory/2688-33-0x000000006E440000-0x000000006E9EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-29-0x000000006E440000-0x000000006E9EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-28-0x00000000026E0000-0x0000000002720000-memory.dmp

    Filesize

    256KB