Analysis

  • max time kernel
    135s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/04/2023, 04:29

General

  • Target
    PO52024.exe
  • Size 816KB
  • Sample230428-e4mjxsbg49
  • SHA256 c6e1df8bf12734eb6c733eb4902fa73a1d1b431dca5ab7b4501ec030c4e9f1e0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5725545513:AAF0ULWHvMJTLlnqMYoWe0CkOpQ7zVO0wLI/sendMessage?chat_id=5738281136

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO52024.exe
    "C:\Users\Admin\AppData\Local\Temp\PO52024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\PO52024.exe
      "C:\Users\Admin\AppData\Local\Temp\PO52024.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3916

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        PO52024.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO52024.exe.log
        • Size 1KB
        • SHA256 8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4
        • MD5 SHA1 SHA512

        memory/2232-133-0x0000000000280000-0x0000000000352000-memory.dmp

        memory/2232-134-0x00000000052C0000-0x0000000005864000-memory.dmp

        memory/2232-135-0x0000000004D10000-0x0000000004DA2000-memory.dmp

        memory/2232-136-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

        memory/2232-137-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        memory/2232-138-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        memory/2232-139-0x0000000006DE0000-0x0000000006E7C000-memory.dmp

        memory/3916-140-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/3916-143-0x00000000051C0000-0x00000000051D0000-memory.dmp

        memory/3916-144-0x0000000006660000-0x0000000006822000-memory.dmp

        memory/3916-145-0x00000000051C0000-0x00000000051D0000-memory.dmp