Analysis

  • max time kernel
    118s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 18:12

General

  • Target

    ef2d231b511ad42c057a1bb3c69d27039063a817f5f14ec9b1298d315e61ec5b.exe

  • Size

    766KB

  • MD5

    5a044ff1f79ecc26744e4e62056ae194

  • SHA1

    c4e347e7ceaeb3dd07f868cfa3d42845ba461616

  • SHA256

    ef2d231b511ad42c057a1bb3c69d27039063a817f5f14ec9b1298d315e61ec5b

  • SHA512

    f743df3661402f9a9f20ddbdb7ed094d44f7402703a9051cfac296245f1f6fde2cd4356a352fadb524bfbca068f43c2ac9890b713ed252365e21705984f2ebae

  • SSDEEP

    12288:zTsQB8/720mXkfz0z6YTaXb//HU7e9HLQl2SlPRIiusk4qQuTHLANvILxCrHt37d:zTsQB8S0ck70haXb30yMDTIumTrsgL0f

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    wVCMFq@2wVCMFq@2

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 55 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef2d231b511ad42c057a1bb3c69d27039063a817f5f14ec9b1298d315e61ec5b.exe
    "C:\Users\Admin\AppData\Local\Temp\ef2d231b511ad42c057a1bb3c69d27039063a817f5f14ec9b1298d315e61ec5b.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1548
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qZZSYR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qZZSYR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BDA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1BDA.tmp

    Filesize

    1KB

    MD5

    3aa75bd928ae21212203423bf005f614

    SHA1

    ceb997ecb64d57273cee3bf00d06d2c56e354b0f

    SHA256

    d767b5a552d4197f0636f03fd343fc76986995bad093fb5a9f937be65094ff2d

    SHA512

    f25aeb05317a816c7a12f74a6edf82379f7a8dbd4139b3426fb95aef8e819002e34c2bed5646859b54590f13e5b5c66c23aaedd0b28c9b25a927ea5cc1f2e3b6

  • memory/1548-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

    Filesize

    4KB

  • memory/1548-1-0x00000000012E0000-0x00000000013A6000-memory.dmp

    Filesize

    792KB

  • memory/1548-2-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1548-3-0x0000000000B00000-0x0000000000B1C000-memory.dmp

    Filesize

    112KB

  • memory/1548-4-0x00000000745DE000-0x00000000745DF000-memory.dmp

    Filesize

    4KB

  • memory/1548-5-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1548-6-0x0000000005370000-0x00000000053FE000-memory.dmp

    Filesize

    568KB

  • memory/1548-14-0x0000000005470000-0x00000000054BA000-memory.dmp

    Filesize

    296KB