Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 16:58

General

  • Target

    05.12.2023tahsilsenedibilgileri.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
  • 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
  • Suspicious behavior: EnumeratesProcesses 9 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\05.12.2023tahsilsenedibilgileri.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe
      "C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1208-0-0x0000000000C10000-0x0000000000CC0000-memory.dmp

    Filesize

    704KB

  • memory/1208-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1208-2-0x0000000004CF0000-0x0000000004D30000-memory.dmp

    Filesize

    256KB

  • memory/1208-3-0x00000000003C0000-0x00000000003D8000-memory.dmp

    Filesize

    96KB

  • memory/1208-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

    Filesize

    32KB

  • memory/1208-5-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1208-6-0x00000000042D0000-0x000000000432E000-memory.dmp

    Filesize

    376KB

  • memory/1208-7-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1208-8-0x0000000004CF0000-0x0000000004D30000-memory.dmp

    Filesize

    256KB

  • memory/1208-24-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2288-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2288-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2288-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2288-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2288-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2288-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2288-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2288-25-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2288-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2288-26-0x0000000004B60000-0x0000000004BA0000-memory.dmp

    Filesize

    256KB