Analysis

  • max time kernel
    218s
  • max time network
    234s
  • 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 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 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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:952
    • 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:1560
    • 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:4552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gkrfogtf.lyx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/952-16-0x0000000005260000-0x0000000005270000-memory.dmp

    Filesize

    64KB

  • memory/952-1-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/952-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

    Filesize

    5.6MB

  • memory/952-3-0x00000000052D0000-0x0000000005362000-memory.dmp

    Filesize

    584KB

  • memory/952-4-0x0000000005270000-0x00000000052C6000-memory.dmp

    Filesize

    344KB

  • memory/952-5-0x0000000005480000-0x000000000551C000-memory.dmp

    Filesize

    624KB

  • memory/952-28-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/952-0-0x0000000000820000-0x0000000000884000-memory.dmp

    Filesize

    400KB

  • memory/952-21-0x0000000005250000-0x000000000525A000-memory.dmp

    Filesize

    40KB

  • memory/1560-7-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/1560-49-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/1560-12-0x0000000005630000-0x0000000005696000-memory.dmp

    Filesize

    408KB

  • memory/1560-15-0x0000000005D90000-0x0000000005DF6000-memory.dmp

    Filesize

    408KB

  • memory/1560-10-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/1560-17-0x0000000005E00000-0x0000000006154000-memory.dmp

    Filesize

    3.3MB

  • memory/1560-9-0x0000000005760000-0x0000000005D88000-memory.dmp

    Filesize

    6.2MB

  • memory/1560-8-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/1560-43-0x0000000006810000-0x00000000068A6000-memory.dmp

    Filesize

    600KB

  • memory/1560-11-0x0000000005390000-0x00000000053B2000-memory.dmp

    Filesize

    136KB

  • memory/1560-6-0x0000000002A00000-0x0000000002A36000-memory.dmp

    Filesize

    216KB

  • memory/1560-45-0x00000000067A0000-0x00000000067C2000-memory.dmp

    Filesize

    136KB

  • memory/1560-31-0x00000000050B0000-0x00000000050CE000-memory.dmp

    Filesize

    120KB

  • memory/1560-32-0x0000000006470000-0x00000000064BC000-memory.dmp

    Filesize

    304KB

  • memory/1560-33-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/1560-34-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/1560-35-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/1560-44-0x00000000063E0000-0x00000000063FA000-memory.dmp

    Filesize

    104KB

  • memory/4552-26-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4552-40-0x0000000005ED0000-0x0000000005F20000-memory.dmp

    Filesize

    320KB

  • memory/4552-42-0x00000000060F0000-0x00000000062B2000-memory.dmp

    Filesize

    1.8MB

  • memory/4552-37-0x00000000029C0000-0x00000000029D0000-memory.dmp

    Filesize

    64KB

  • memory/4552-36-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4552-30-0x00000000029C0000-0x00000000029D0000-memory.dmp

    Filesize

    64KB

  • memory/4552-29-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4552-50-0x00000000058A0000-0x00000000058AA000-memory.dmp

    Filesize

    40KB