Analysis

  • max time kernel
    119s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    30/08/2024, 01:56

General

  • Target

    8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe

  • Size

    774KB

  • MD5

    b2fcde172f7605e8a4af7b60349418d7

  • SHA1

    7279c465e2ea6ced62c742c679db21ec9a9a4514

  • SHA256

    8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc

  • SHA512

    8b40661958d8d0fcd170b3d61492a8fc3fbbaefadeb2296d42500cf24935cce6e44575293e2210decff4ccd5212821270dc3dfe788f4c8bdebf36fadbce0a0e5

  • SSDEEP

    24576:YbioMtmDUIKVQ2UNdpZRRMDdK/1Apztv:YMt+F2Q/jCMoztv

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 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
  • 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\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe
    "C:\Users\Admin\AppData\Local\Temp\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GhrKoSGuCdvpJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GhrKoSGuCdvpJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB413.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2812
    • C:\Users\Admin\AppData\Local\Temp\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe
      "C:\Users\Admin\AppData\Local\Temp\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.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:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB413.tmp

    Filesize

    1KB

    MD5

    18ccc89de76da9ed6bf7550a67272600

    SHA1

    9eeadc813df27e8fb660b69ba6b7cd644d2727c8

    SHA256

    3cce9857d9afecfad9ec1386fa05366c80a10d31ae5c95955930f8ff93fd5bfa

    SHA512

    c9ce7c11a47527c97f73cc7a206e4a76f2d8781853829d08b9c09977b3243df16e543df4a82b0ab5acd7ba550b7771f831efff0ffe312faa506551a9c0cf64cb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7ZE4X80Y8CIFFW0L4VAO.temp

    Filesize

    7KB

    MD5

    cc992f41489caec603a2b1f6497a7a48

    SHA1

    844150143031e7227c0530adcb006f19bd1a70bd

    SHA256

    2c6189e7df676abc658f52cab4228268541c988ad2010dde22ac70241bce980f

    SHA512

    faf6775f2877942af8ac0e03a22d384179aa5d207658f28a2ec76dc8d667a0bef253e6d592cd18af90d0f78e67cff6589734f673a07108148ed7e5c75e108da1

  • memory/2276-4-0x0000000000610000-0x0000000000628000-memory.dmp

    Filesize

    96KB

  • memory/2276-3-0x0000000004F90000-0x000000000504A000-memory.dmp

    Filesize

    744KB

  • memory/2276-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

    Filesize

    4KB

  • memory/2276-5-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

    Filesize

    4KB

  • memory/2276-6-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-7-0x0000000005150000-0x00000000051DA000-memory.dmp

    Filesize

    552KB

  • memory/2276-2-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2276-1-0x0000000000800000-0x00000000008C6000-memory.dmp

    Filesize

    792KB

  • memory/2276-32-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2740-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB