Analysis

  • max time kernel
    119s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 02:31

General

  • Target

    cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe

  • Size

    854KB

  • MD5

    b15b83f0aca6375277cfd79c3ab96fa1

  • SHA1

    87ef96c2bd2245075082fe695eb164443eff637a

  • SHA256

    cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886

  • SHA512

    38cd17a629867290c2a4305520148be0b742c81256264abd552db1a64318e291bc9a61eb4f06e7c70f5984a4ea4db5f528726684b497a7125304be224a53219a

  • SSDEEP

    24576:yeq3Zk1T8Fvg3K13rxlmGi+z/3hj+ZqVF4+0cD0aWLlYjHDboU:51IF4erVi8fFZpDbWLlYznf

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 5 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe
    "C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1796
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sYpAHmjKhppP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sYpAHmjKhppP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC5CF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2376
    • C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe
      "C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC5CF.tmp

    Filesize

    1KB

    MD5

    d7b6b1f5eb9195b668d46bee420ad903

    SHA1

    3643568b2ed91068937c073e88588b0ea740995e

    SHA256

    5f21e530089ab4fd77d095f567e90fcef5662901b445e72bd5b9cc826b5300d1

    SHA512

    16967446b7b8f029a071351f19a630b65e74f56b8dbfee0c494fb8a6902e984ef14cf824060d13f618ca2cc27474549a93ce87ea80f9ec6a6a6214380f079530

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    df8eb7a2d9074cc089b88d40234734bc

    SHA1

    c9bdf49ad1e95eaf43e86260e09c4f4f0a10293c

    SHA256

    98de2952b693c8116ad4d07a52019bc144a9af2bd8caeb7e6a7b666eb7923f78

    SHA512

    deffd7dab69575c5541ec647184065c913d17c27b67ace2b31bdd0f503df7b8fb7719f1407b572bbd34e4014d1818adfe6cd428ba7a0049c3bd12f247fc852f7

  • memory/2100-4-0x000000007409E000-0x000000007409F000-memory.dmp

    Filesize

    4KB

  • memory/2100-31-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2100-0-0x000000007409E000-0x000000007409F000-memory.dmp

    Filesize

    4KB

  • memory/2100-5-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2100-6-0x0000000005C80000-0x0000000005D0A000-memory.dmp

    Filesize

    552KB

  • memory/2100-2-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2100-1-0x0000000000290000-0x000000000036C000-memory.dmp

    Filesize

    880KB

  • memory/2100-3-0x0000000000450000-0x000000000045E000-memory.dmp

    Filesize

    56KB

  • memory/2864-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2864-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB