Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 12:20

General

  • Target

    PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe

  • Size

    927KB

  • MD5

    0474719bc5f03887fb2400eefd17a7fe

  • SHA1

    45d36902682ce21cbb5d138321be1ff9865534f7

  • SHA256

    c3f1979d6f325a6b02c50e48cae4fa3d4770723643797fe942566862627259bf

  • SHA512

    8c104df3006f55fb733fe85e15dad618bc86b79e1cb2dc863d6279a04feab5925f2389a4bfd01f3d21a1dec5f4772b5fa91297f93b0585129585d7d503437bd0

  • SSDEEP

    12288:XpZsSTKiAO1bmhDa1B15ShZNVyBrgXNgngoj1euRLUolCWSuYPj:Xzslhgbmcb8ZN81gdggoj1eqHYr

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.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:4884
    • 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\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1260
    • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe"
      2⤵
        PID:2788
      • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.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:3916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3exsrch.yo4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1260-51-0x0000000007120000-0x000000000712A000-memory.dmp

      Filesize

      40KB

    • memory/1260-15-0x0000000002460000-0x0000000002496000-memory.dmp

      Filesize

      216KB

    • memory/1260-29-0x0000000005760000-0x0000000005AB4000-memory.dmp

      Filesize

      3.3MB

    • memory/1260-21-0x0000000004D90000-0x0000000004DB2000-memory.dmp

      Filesize

      136KB

    • memory/1260-60-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1260-57-0x00000000073D0000-0x00000000073D8000-memory.dmp

      Filesize

      32KB

    • memory/1260-56-0x00000000073F0000-0x000000000740A000-memory.dmp

      Filesize

      104KB

    • memory/1260-55-0x00000000072F0000-0x0000000007304000-memory.dmp

      Filesize

      80KB

    • memory/1260-54-0x00000000072E0000-0x00000000072EE000-memory.dmp

      Filesize

      56KB

    • memory/1260-53-0x00000000072B0000-0x00000000072C1000-memory.dmp

      Filesize

      68KB

    • memory/1260-52-0x0000000007330000-0x00000000073C6000-memory.dmp

      Filesize

      600KB

    • memory/1260-50-0x00000000070B0000-0x00000000070CA000-memory.dmp

      Filesize

      104KB

    • memory/1260-49-0x0000000007700000-0x0000000007D7A000-memory.dmp

      Filesize

      6.5MB

    • memory/1260-35-0x0000000005D80000-0x0000000005DCC000-memory.dmp

      Filesize

      304KB

    • memory/1260-17-0x0000000005130000-0x0000000005758000-memory.dmp

      Filesize

      6.2MB

    • memory/1260-16-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1260-48-0x0000000006D60000-0x0000000006E03000-memory.dmp

      Filesize

      652KB

    • memory/1260-34-0x0000000005D50000-0x0000000005D6E000-memory.dmp

      Filesize

      120KB

    • memory/1260-20-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1260-23-0x0000000004F10000-0x0000000004F76000-memory.dmp

      Filesize

      408KB

    • memory/1260-22-0x0000000004E30000-0x0000000004E96000-memory.dmp

      Filesize

      408KB

    • memory/1260-47-0x0000000006330000-0x000000000634E000-memory.dmp

      Filesize

      120KB

    • memory/1260-37-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

      Filesize

      304KB

    • memory/1260-36-0x0000000006D20000-0x0000000006D52000-memory.dmp

      Filesize

      200KB

    • memory/1260-19-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-64-0x00000000062B0000-0x0000000006300000-memory.dmp

      Filesize

      320KB

    • memory/3916-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3916-65-0x0000000006B20000-0x000000000704C000-memory.dmp

      Filesize

      5.2MB

    • memory/3916-63-0x0000000006420000-0x00000000065E2000-memory.dmp

      Filesize

      1.8MB

    • memory/3916-18-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-62-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-13-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-61-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4884-10-0x0000000007670000-0x000000000770C000-memory.dmp

      Filesize

      624KB

    • memory/4884-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

      Filesize

      5.6MB

    • memory/4884-9-0x00000000073E0000-0x000000000746E000-memory.dmp

      Filesize

      568KB

    • memory/4884-8-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4884-7-0x000000007503E000-0x000000007503F000-memory.dmp

      Filesize

      4KB

    • memory/4884-6-0x0000000006CC0000-0x0000000006CD8000-memory.dmp

      Filesize

      96KB

    • memory/4884-5-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4884-0-0x000000007503E000-0x000000007503F000-memory.dmp

      Filesize

      4KB

    • memory/4884-14-0x0000000075030000-0x00000000757E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4884-1-0x0000000000E50000-0x0000000000F3E000-memory.dmp

      Filesize

      952KB

    • memory/4884-3-0x0000000005800000-0x0000000005892000-memory.dmp

      Filesize

      584KB

    • memory/4884-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

      Filesize

      40KB