Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2023 06:18

General

  • Target

    SAT09867890000000.bat.exe

  • Size

    365KB

  • MD5

    6e5fe2e8102810fa8c41e1708f5bad37

  • SHA1

    866abdd7b659a470079b2cebb8c1e375a14dfe81

  • SHA256

    92bd760ecd8223c94862932a852fba8f1c386f5eb1eeaf6e88da948baa10c024

  • SHA512

    4e48fc62c0cf63b65ec427f1e759e1d0e07762a9fc7bb2601e9efadbe1de3e185de62a00fb30ac9445cf5d638f02d7ed99d3b74a68f59cbc8db5bd0d17db2494

  • SSDEEP

    6144:CAY8QgjLjLzmfTi0rueeKeUnj+ZhcqCgT+0aRrqYsGdh1BiOFnAx:RXi7fr5e9DkqCgy0uOxc3BiOFI

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6791427761:AAEq2ybkfsfQ4vvX1WVwRKr-rekQ-dk6jcM/sendMessage?chat_id=6443825857

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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SAT09867890000000.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\SAT09867890000000.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Users\Admin\AppData\Local\Temp\SAT09867890000000.bat.exe
      C:\Users\Admin\AppData\Local\Temp\SAT09867890000000.bat.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4772
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1240

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SAT09867890000000.bat.exe.log

      Filesize

      706B

      MD5

      2ef5ef69dadb8865b3d5b58c956077b8

      SHA1

      af2d869bac00685c745652bbd8b3fe82829a8998

      SHA256

      363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

      SHA512

      66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

    • memory/4772-13-0x0000000005410000-0x0000000005420000-memory.dmp

      Filesize

      64KB

    • memory/4772-8-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4772-17-0x00000000748D0000-0x0000000075080000-memory.dmp

      Filesize

      7.7MB

    • memory/4772-16-0x0000000006420000-0x000000000642A000-memory.dmp

      Filesize

      40KB

    • memory/4772-15-0x00000000065A0000-0x0000000006762000-memory.dmp

      Filesize

      1.8MB

    • memory/4772-14-0x0000000006380000-0x00000000063D0000-memory.dmp

      Filesize

      320KB

    • memory/4772-11-0x00000000748D0000-0x0000000075080000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-7-0x0000000004C10000-0x0000000004C1A000-memory.dmp

      Filesize

      40KB

    • memory/4892-5-0x0000000004A50000-0x0000000004A60000-memory.dmp

      Filesize

      64KB

    • memory/4892-2-0x0000000005100000-0x00000000056A4000-memory.dmp

      Filesize

      5.6MB

    • memory/4892-12-0x00000000748D0000-0x0000000075080000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-0-0x00000000748D0000-0x0000000075080000-memory.dmp

      Filesize

      7.7MB

    • memory/4892-6-0x0000000004CB0000-0x0000000004D4C000-memory.dmp

      Filesize

      624KB

    • memory/4892-1-0x00000000000C0000-0x0000000000122000-memory.dmp

      Filesize

      392KB

    • memory/4892-4-0x0000000004AD0000-0x0000000004B24000-memory.dmp

      Filesize

      336KB

    • memory/4892-3-0x0000000004B50000-0x0000000004BE2000-memory.dmp

      Filesize

      584KB