Analysis

  • max time kernel
    127s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 17:29

General

  • Target

    fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe

  • Size

    782KB

  • MD5

    f48321315b6243f8a68c81f742237119

  • SHA1

    5362e11b2fab8a0fe25aab50d34dcc196aa50dd7

  • SHA256

    b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec

  • SHA512

    b5bdb53a130af093a452343ffe9d232b91a31a41089c11cd7be46606a6de5ed14559337d0d1ad150442c734067a833bf5177bbd3509679c87a1a76065b6cdc34

  • SSDEEP

    12288:QVIR4R52J+XtIK6YMNM7zPNQZDwzxeWh3/2Knr5CQikJYLHtaIR:QVIeeXKCNM7x0SJOePKgI

Malware Config

Extracted

Family

vipkeylogger

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe
    "C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4260
    • 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\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
    • C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe
      "C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dcf0buvv.b0k.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2456-51-0x00000000078E0000-0x00000000078EA000-memory.dmp

    Filesize

    40KB

  • memory/2456-48-0x0000000007520000-0x00000000075C3000-memory.dmp

    Filesize

    652KB

  • memory/2456-60-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2456-32-0x0000000005FB0000-0x0000000006304000-memory.dmp

    Filesize

    3.3MB

  • memory/2456-57-0x0000000007B90000-0x0000000007B98000-memory.dmp

    Filesize

    32KB

  • memory/2456-56-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

    Filesize

    104KB

  • memory/2456-55-0x0000000007AB0000-0x0000000007AC4000-memory.dmp

    Filesize

    80KB

  • memory/2456-54-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

    Filesize

    56KB

  • memory/2456-53-0x0000000007A70000-0x0000000007A81000-memory.dmp

    Filesize

    68KB

  • memory/2456-52-0x0000000007AF0000-0x0000000007B86000-memory.dmp

    Filesize

    600KB

  • memory/2456-50-0x0000000007660000-0x000000000767A000-memory.dmp

    Filesize

    104KB

  • memory/2456-49-0x0000000007F50000-0x00000000085CA000-memory.dmp

    Filesize

    6.5MB

  • memory/2456-21-0x0000000005830000-0x0000000005896000-memory.dmp

    Filesize

    408KB

  • memory/2456-33-0x0000000006540000-0x000000000655E000-memory.dmp

    Filesize

    120KB

  • memory/2456-16-0x0000000002C60000-0x0000000002C96000-memory.dmp

    Filesize

    216KB

  • memory/2456-18-0x0000000005980000-0x0000000005FA8000-memory.dmp

    Filesize

    6.2MB

  • memory/2456-17-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2456-20-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2456-19-0x0000000005590000-0x00000000055B2000-memory.dmp

    Filesize

    136KB

  • memory/2456-22-0x00000000058A0000-0x0000000005906000-memory.dmp

    Filesize

    408KB

  • memory/2456-47-0x0000000006B40000-0x0000000006B5E000-memory.dmp

    Filesize

    120KB

  • memory/2456-37-0x0000000070590000-0x00000000705DC000-memory.dmp

    Filesize

    304KB

  • memory/2456-36-0x0000000006B00000-0x0000000006B32000-memory.dmp

    Filesize

    200KB

  • memory/2456-35-0x0000000006AA0000-0x0000000006AEC000-memory.dmp

    Filesize

    304KB

  • memory/2456-34-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-13-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-61-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-64-0x0000000007250000-0x000000000777C000-memory.dmp

    Filesize

    5.2MB

  • memory/2460-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2460-15-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-63-0x00000000069D0000-0x0000000006A20000-memory.dmp

    Filesize

    320KB

  • memory/2460-62-0x0000000006B50000-0x0000000006D12000-memory.dmp

    Filesize

    1.8MB

  • memory/4260-9-0x0000000009130000-0x00000000091BE000-memory.dmp

    Filesize

    568KB

  • memory/4260-10-0x000000000C6F0000-0x000000000C78C000-memory.dmp

    Filesize

    624KB

  • memory/4260-14-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4260-8-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4260-7-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4260-6-0x0000000007E90000-0x0000000007EA8000-memory.dmp

    Filesize

    96KB

  • memory/4260-5-0x0000000005280000-0x000000000528A000-memory.dmp

    Filesize

    40KB

  • memory/4260-3-0x0000000007D00000-0x0000000007D92000-memory.dmp

    Filesize

    584KB

  • memory/4260-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4260-1-0x0000000000E80000-0x0000000000F4A000-memory.dmp

    Filesize

    808KB

  • memory/4260-2-0x0000000008210000-0x00000000087B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4260-4-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB