Analysis

  • max time kernel
    121s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    20/07/2023, 07:03

General

  • Target

    confirm order.pdf.z.exe

  • Size

    645KB

  • MD5

    0b737638ee17ddf3c0ecf0c07d69618f

  • SHA1

    e5fe8deadae200f69ead7de852ae3b56160adceb

  • SHA256

    c26acaed8f3af9114db0aef3c6446531f65209789b4c423d18e4d40312bb633d

  • SHA512

    71cbd1c823824494ed08421c30179fa32a1a9bcc893b0f409aded01c96342810a8e023a2372671773eca9cbeee2e1664202feee7d50ff094e5ed21677c4d2b7e

  • SSDEEP

    12288:9oKS6ln+flo/XciMvtrlU8lIUip0d1JZ9bTJ0/zaCqQY7:9ofTdCjEtrXGCdzZ936zG7

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kovarviajes.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    P4tt1kr

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 2 IoCs
  • Suspicious behavior: RenamesItself 1 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\confirm order.pdf.z.exe
    "C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe
      "C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2020

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2020-72-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2020-74-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2020-78-0x0000000004A60000-0x0000000004AA0000-memory.dmp

          Filesize

          256KB

        • memory/2020-77-0x00000000736E0000-0x0000000073DCE000-memory.dmp

          Filesize

          6.9MB

        • memory/2020-76-0x0000000004A60000-0x0000000004AA0000-memory.dmp

          Filesize

          256KB

        • memory/2020-75-0x00000000736E0000-0x0000000073DCE000-memory.dmp

          Filesize

          6.9MB

        • memory/2020-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2020-69-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2020-62-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2020-64-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2020-65-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2020-66-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2528-54-0x0000000001070000-0x0000000001118000-memory.dmp

          Filesize

          672KB

        • memory/2528-61-0x0000000005070000-0x00000000050D0000-memory.dmp

          Filesize

          384KB

        • memory/2528-71-0x0000000073DD0000-0x00000000744BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2528-55-0x0000000073DD0000-0x00000000744BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2528-60-0x0000000000440000-0x000000000044A000-memory.dmp

          Filesize

          40KB

        • memory/2528-59-0x0000000000C20000-0x0000000000C60000-memory.dmp

          Filesize

          256KB

        • memory/2528-58-0x0000000073DD0000-0x00000000744BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2528-57-0x0000000000430000-0x0000000000440000-memory.dmp

          Filesize

          64KB

        • memory/2528-56-0x0000000000C20000-0x0000000000C60000-memory.dmp

          Filesize

          256KB