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Analysis

  • max time kernel
    135s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 08:28

General

  • Target

    Ziraat Bankasi Swift Mesaji.exe

  • Size

    540KB

  • MD5

    676813934849b161d6dfd5062536318f

  • SHA1

    de400cd5edbf8cb741691f13c338744842c0f1a2

  • SHA256

    7ef09922582a622f7333d2987d63efc14ecc000a51e160b808dd9520c31f771c

  • SHA512

    0325329d32778625583254222a014c3d9cee7c132c5ecdb132e3fcb0adc97345f9632ded15b294800666a67648d84470b01a564fb234997320f1e6ddab46706e

  • SSDEEP

    6144:+6ej0DdEWMhO7ZiDBqOV2eR05OvP7jXXgC/MVgWJNYRy7nKx9hO+w7wHQ3SZfTUP:+69EWKq6ucPp0VhJvTKviaxoZ

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.emmioglu.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Kaya2758+
C2

https://api.telegram.org/bot7793181644:AAGZi9EwhHz_7_W-P3o6zCi0LNG3DYUolRk/sendMessage?chat_id=1645099110

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
    "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
      "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:804
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3768,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
    1⤵
      PID:2508

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/804-9-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/804-17-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/804-16-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/804-15-0x0000000006810000-0x00000000069D2000-memory.dmp

      Filesize

      1.8MB

    • memory/804-14-0x00000000065F0000-0x0000000006640000-memory.dmp

      Filesize

      320KB

    • memory/804-11-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/804-10-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1244-8-0x00000000054F0000-0x00000000054F8000-memory.dmp

      Filesize

      32KB

    • memory/1244-0-0x000000007494E000-0x000000007494F000-memory.dmp

      Filesize

      4KB

    • memory/1244-7-0x00000000056D0000-0x000000000576C000-memory.dmp

      Filesize

      624KB

    • memory/1244-6-0x00000000054E0000-0x00000000054EA000-memory.dmp

      Filesize

      40KB

    • memory/1244-5-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1244-12-0x000000007494E000-0x000000007494F000-memory.dmp

      Filesize

      4KB

    • memory/1244-13-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1244-4-0x00000000053E0000-0x0000000005436000-memory.dmp

      Filesize

      344KB

    • memory/1244-3-0x0000000005340000-0x00000000053D2000-memory.dmp

      Filesize

      584KB

    • memory/1244-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

      Filesize

      5.6MB

    • memory/1244-1-0x0000000000A00000-0x0000000000A8E000-memory.dmp

      Filesize

      568KB