Analysis

  • max time kernel
    70s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2023, 09:50

General

  • Target

    Belge.exe

  • Size

    905KB

  • MD5

    2568de65fcdccbc160da2452452cbe09

  • SHA1

    38e434176706827e20a786de0bd656218005c9fb

  • SHA256

    559b97a856fca272b7f5891100f1317d5f4846d12e86d113c8334c9861e4b026

  • SHA512

    d0e05fda14e4b5ebb00dee9a0e965b7720b866393f022a452c29a10f75ad76c7e79bd4d16bc11319c658965c7843f3b15a33930c174a82ace144f105ac2496b3

  • SSDEEP

    12288:xk5+ytZpYWHE4SODt+cIpPrzh8x55thIimOMt+6I:xy+yyWk495+cIpPrzhethIimX3I

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5587666659:AAG8NrrXJQs__dhk8nLJBFOspz2my8OVpX0/sendMessage?chat_id=5569775004

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 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\Belge.exe
    "C:\Users\Admin\AppData\Local\Temp\Belge.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:832
    • C:\Users\Admin\AppData\Local\Temp\Belge.exe
      "C:\Users\Admin\AppData\Local\Temp\Belge.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:680

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/680-66-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/680-68-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/680-72-0x0000000002290000-0x00000000022D0000-memory.dmp

          Filesize

          256KB

        • memory/680-71-0x0000000002290000-0x00000000022D0000-memory.dmp

          Filesize

          256KB

        • memory/680-70-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/680-64-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/680-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/680-61-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/680-62-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/680-63-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/832-55-0x0000000000450000-0x000000000045E000-memory.dmp

          Filesize

          56KB

        • memory/832-60-0x0000000000A70000-0x0000000000A98000-memory.dmp

          Filesize

          160KB

        • memory/832-54-0x0000000000AC0000-0x0000000000BA8000-memory.dmp

          Filesize

          928KB

        • memory/832-59-0x0000000002100000-0x000000000216E000-memory.dmp

          Filesize

          440KB

        • memory/832-58-0x0000000000460000-0x000000000046C000-memory.dmp

          Filesize

          48KB

        • memory/832-57-0x0000000004E60000-0x0000000004EA0000-memory.dmp

          Filesize

          256KB

        • memory/832-56-0x0000000004E60000-0x0000000004EA0000-memory.dmp

          Filesize

          256KB