Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 07:03

General

  • Target

    05.12.2023_tahsil_senedi_bilgileri.xls.exe

  • Size

    681KB

  • MD5

    3270695f929b3f2499f9f56d76c9b08f

  • SHA1

    32e75a939b0ae09a898339004afa4bbeb3ce6d68

  • SHA256

    c7c0a22744179c319910d7c9508866ebfc6d35beeee844b8462bab9c04af4b19

  • SHA512

    23360736cdda1b3cd4cf07046936f512d3ab9c50c47422f1e7d3e689ad5143ef450ea8b3f0660c38a892c6191023b16b731c559ed11b3104e74b60f8986110f5

  • SSDEEP

    12288:Xy7KE6jD/62iNG5nF8rmi9VEsqhzUoo3j3D829wV1wIctP/T:X6KtD/61IGzEsGInjwV1wFtX

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ozakaluminyum.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ETKghx*c3KoQ

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05.12.2023_tahsil_senedi_bilgileri.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\05.12.2023_tahsil_senedi_bilgileri.xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\05.12.2023_tahsil_senedi_bilgileri.xls.exe
      "C:\Users\Admin\AppData\Local\Temp\05.12.2023_tahsil_senedi_bilgileri.xls.exe"
      2⤵
        PID:3032
      • C:\Users\Admin\AppData\Local\Temp\05.12.2023_tahsil_senedi_bilgileri.xls.exe
        "C:\Users\Admin\AppData\Local\Temp\05.12.2023_tahsil_senedi_bilgileri.xls.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 968
          3⤵
          • Program crash
          PID:2632

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1668-0-0x0000000000E50000-0x0000000000F00000-memory.dmp

      Filesize

      704KB

    • memory/1668-1-0x0000000074240000-0x000000007492E000-memory.dmp

      Filesize

      6.9MB

    • memory/1668-2-0x0000000004C90000-0x0000000004CD0000-memory.dmp

      Filesize

      256KB

    • memory/1668-3-0x0000000000380000-0x0000000000398000-memory.dmp

      Filesize

      96KB

    • memory/1668-4-0x00000000003A0000-0x00000000003A8000-memory.dmp

      Filesize

      32KB

    • memory/1668-5-0x00000000004D0000-0x00000000004DA000-memory.dmp

      Filesize

      40KB

    • memory/1668-6-0x0000000004300000-0x000000000435E000-memory.dmp

      Filesize

      376KB

    • memory/1668-7-0x0000000074240000-0x000000007492E000-memory.dmp

      Filesize

      6.9MB

    • memory/1668-8-0x0000000004C90000-0x0000000004CD0000-memory.dmp

      Filesize

      256KB

    • memory/1668-20-0x0000000074240000-0x000000007492E000-memory.dmp

      Filesize

      6.9MB

    • memory/2904-9-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2904-11-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2904-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2904-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2904-15-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2904-19-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2904-17-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2904-21-0x0000000074240000-0x000000007492E000-memory.dmp

      Filesize

      6.9MB

    • memory/2904-10-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2904-22-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

      Filesize

      256KB

    • memory/2904-23-0x0000000074240000-0x000000007492E000-memory.dmp

      Filesize

      6.9MB