Analysis

  • max time kernel
    77s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28/04/2023, 04:36

General

  • Target
    PO202328.exe
  • Size 910KB
  • Sample230428-e8ed4sbg95
  • SHA256 60b3645a7d02232fd97ba076bdb88e6a801f462ce972d79366df9261a9f62720
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5310184099:AAGxqu0IL8tjOF6Eq6x2u0gfcHhvuxRwfLU/sendMessage?chat_id=5350445922

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO202328.exe
    "C:\Users\Admin\AppData\Local\Temp\PO202328.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\PO202328.exe
      "C:\Users\Admin\AppData\Local\Temp\PO202328.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:464

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/464-67-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/464-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/464-73-0x00000000047E0000-0x0000000004820000-memory.dmp

        memory/464-72-0x00000000047E0000-0x0000000004820000-memory.dmp

        memory/464-71-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/464-69-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/464-62-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/464-65-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/464-63-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/464-64-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1108-55-0x0000000004A40000-0x0000000004A80000-memory.dmp

        memory/1108-61-0x0000000001F20000-0x0000000001F48000-memory.dmp

        memory/1108-54-0x0000000000980000-0x0000000000A6A000-memory.dmp

        memory/1108-60-0x0000000004A40000-0x0000000004A80000-memory.dmp

        memory/1108-59-0x0000000005CB0000-0x0000000005D12000-memory.dmp

        memory/1108-58-0x0000000000590000-0x000000000059C000-memory.dmp

        memory/1108-57-0x0000000004A40000-0x0000000004A80000-memory.dmp

        memory/1108-56-0x0000000000580000-0x0000000000596000-memory.dmp