Analysis

  • max time kernel
    138s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2023 08:48

General

  • Target

    5yjBTV1RX69ix2q.exe

  • Size

    573KB

  • MD5

    6b4f6cc2f9b20734530acf3124a14cac

  • SHA1

    a07f1d4fe758c87819ff62671e015dbb38b8a7ac

  • SHA256

    d0018553788684559db6376fe759c7eb91b56532f24fcdee4468dae430511231

  • SHA512

    9000588d205a4e8ce68f3f6568ec9b82be16c85cd34695c9045f6e968f6529316995efa8cd11c889fcca89b287eb3e8a7a9d079662eba71aa3e102c79f194eaf

  • SSDEEP

    12288:QMiyiRJU/WceD6+kpqkIaHkuhirf6Kgtom55Nk5PMVFS:jZFe/ZkcH+kp2nHHm0

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1tcl.com
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    RRa*ysS8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
    "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
      "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
      2⤵
        PID:2792
      • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
        "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
        2⤵
          PID:2940
        • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
          "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
          2⤵
            PID:2540
          • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
            "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
            2⤵
              PID:1884
            • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
              "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
              2⤵
              • Accesses Microsoft Outlook profiles
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • outlook_office_path
              • outlook_win_path
              PID:2464

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2464-8-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2464-12-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2464-18-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2464-14-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2464-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2464-27-0x0000000001E60000-0x0000000001EA0000-memory.dmp

            Filesize

            256KB

          • memory/2464-26-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/2464-25-0x0000000001E60000-0x0000000001EA0000-memory.dmp

            Filesize

            256KB

          • memory/2464-22-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2464-20-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2464-24-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/2464-10-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3060-6-0x0000000000400000-0x000000000040C000-memory.dmp

            Filesize

            48KB

          • memory/3060-3-0x0000000000840000-0x0000000000880000-memory.dmp

            Filesize

            256KB

          • memory/3060-4-0x00000000003E0000-0x00000000003FA000-memory.dmp

            Filesize

            104KB

          • memory/3060-0-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/3060-2-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/3060-23-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/3060-7-0x0000000007EC0000-0x0000000007F1E000-memory.dmp

            Filesize

            376KB

          • memory/3060-1-0x0000000000110000-0x00000000001A4000-memory.dmp

            Filesize

            592KB

          • memory/3060-5-0x0000000000840000-0x0000000000880000-memory.dmp

            Filesize

            256KB