Analysis

  • max time kernel
    118s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2023 14:05

General

  • Target

    Vessels details.exe

  • Size

    374KB

  • MD5

    c6184a0858570ab06401a2d9a7abb84c

  • SHA1

    5db26522798afbc174087c44fa4a7c233b4eb9b1

  • SHA256

    7ed99eb3221d685130ac3695222e9025dd62e2880f3af360140ef1d0532e80e3

  • SHA512

    ed45fa036778c55f1e632414feeaa7af6fbf201149ddd9082a6067a4622cf6ea7dc580c0cee60330bdb3c360566b57c898013c940edf33d231c1222d3852fa77

  • SSDEEP

    6144:DN7zMdPae0pRMF3Ngd/hXQyKuJ9pcalfJZiiMPvhliJ4N+CvacHp6+7ojLQJzS7M:4aRcdMxpIiUHPw4Hp2jLOu7vJRQ

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chijiokejackson121
C2

https://api.telegram.org/bot5206100572:AAFn3MxBuN0bjQhfY8y1ed9Iwi79LyIe75I/sendMessage?chat_id=2135869667

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 8 IoCs
  • Drops startup file 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Vessels details.exe
    "C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Vessels details.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Users\Admin\AppData\Local\Temp\Vessels details.exe
      "C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1776-0-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1776-1-0x0000000000E60000-0x0000000000EC4000-memory.dmp

    Filesize

    400KB

  • memory/1776-2-0x0000000000560000-0x00000000005B6000-memory.dmp

    Filesize

    344KB

  • memory/1776-8-0x00000000004E0000-0x0000000000520000-memory.dmp

    Filesize

    256KB

  • memory/1776-9-0x0000000000790000-0x000000000079A000-memory.dmp

    Filesize

    40KB

  • memory/1776-25-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2640-5-0x0000000070120000-0x00000000706CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-6-0x0000000070120000-0x00000000706CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-7-0x0000000002620000-0x0000000002660000-memory.dmp

    Filesize

    256KB

  • memory/2640-30-0x0000000070120000-0x00000000706CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-27-0x0000000002620000-0x0000000002660000-memory.dmp

    Filesize

    256KB

  • memory/2640-13-0x0000000002620000-0x0000000002660000-memory.dmp

    Filesize

    256KB

  • memory/2780-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-20-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-22-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-24-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-26-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-28-0x0000000004990000-0x00000000049D0000-memory.dmp

    Filesize

    256KB

  • memory/2780-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-31-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-32-0x0000000004990000-0x00000000049D0000-memory.dmp

    Filesize

    256KB