Analysis

  • max time kernel
    88s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2023, 12:17

General

  • Target
    53060033570_20230519_08055750_HesapOzeti.exe
  • Size 566KB
  • Sample230714-pf13hsde85
  • SHA256 5ddb8e1199d3dfd3ab099e813a7650e692a243dba79e9eeda5def71ca4d5d0be
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot6330896672:AAH7XFmMZLbM8MGe2V8FocGoO4QAwmOfp6U/sendMessage?chat_id=6267834467

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 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 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\53060033570_20230519_08055750_HesapOzeti.exe
    "C:\Users\Admin\AppData\Local\Temp\53060033570_20230519_08055750_HesapOzeti.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\53060033570_20230519_08055750_HesapOzeti.exe
      "C:\Users\Admin\AppData\Local\Temp\53060033570_20230519_08055750_HesapOzeti.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2136

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        53060033570_20230519_08055750_HesapOzeti.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\53060033570_20230519_08055750_HesapOzeti.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/2136-142-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/2136-148-0x0000000074580000-0x0000000074D30000-memory.dmp

        memory/2136-147-0x0000000006B10000-0x0000000006CD2000-memory.dmp

        memory/2136-146-0x0000000074580000-0x0000000074D30000-memory.dmp

        memory/2860-136-0x0000000004F50000-0x0000000004FE2000-memory.dmp

        memory/2860-139-0x0000000074580000-0x0000000074D30000-memory.dmp

        memory/2860-140-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

        memory/2860-141-0x0000000008FB0000-0x000000000904C000-memory.dmp

        memory/2860-138-0x0000000004E90000-0x0000000004E9A000-memory.dmp

        memory/2860-137-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

        memory/2860-133-0x0000000000440000-0x00000000004D4000-memory.dmp

        memory/2860-145-0x0000000074580000-0x0000000074D30000-memory.dmp

        memory/2860-135-0x0000000005500000-0x0000000005AA4000-memory.dmp

        memory/2860-134-0x0000000074580000-0x0000000074D30000-memory.dmp