Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-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 7 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 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:1616
    • 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:2636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 968
        3⤵
        • Program crash
        PID:2568

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1616-0-0x0000000000080000-0x0000000000130000-memory.dmp

    Filesize

    704KB

  • memory/1616-1-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1616-2-0x00000000022D0000-0x0000000002310000-memory.dmp

    Filesize

    256KB

  • memory/1616-3-0x0000000000660000-0x0000000000678000-memory.dmp

    Filesize

    96KB

  • memory/1616-4-0x00000000005C0000-0x00000000005C8000-memory.dmp

    Filesize

    32KB

  • memory/1616-5-0x0000000000680000-0x000000000068A000-memory.dmp

    Filesize

    40KB

  • memory/1616-6-0x00000000051D0000-0x000000000522E000-memory.dmp

    Filesize

    376KB

  • memory/1616-7-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1616-8-0x00000000022D0000-0x0000000002310000-memory.dmp

    Filesize

    256KB

  • memory/1616-21-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2636-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2636-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2636-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2636-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2636-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2636-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2636-20-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-22-0x0000000004C90000-0x0000000004CD0000-memory.dmp

    Filesize

    256KB

  • memory/2636-23-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-24-0x0000000004C90000-0x0000000004CD0000-memory.dmp

    Filesize

    256KB