Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 04:36

General

  • Target

    5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.exe

  • Size

    750KB

  • MD5

    aad0e1f44c81477576e5b1a1a31f3513

  • SHA1

    aaa55fd38d696c09f0ba9b8511efac0c9d68b63a

  • SHA256

    5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049

  • SHA512

    2f70c69d20a1d6f252c29bd8e2f01958a25e6710f8e4bbb47721a3a621be32503bfd66cf96981b77edf9a370492f4b6f60d1b7706c61dee3df5ca47724c8b44d

  • SSDEEP

    12288:k3qNW8BeviONx9C/1kmWRlgofeQELf5J2POsSY9K3sYKA:73wsmmWRlFQAPO1YwMA

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.

  • 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 WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.exe
    "C:\Users\Admin\AppData\Local\Temp\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.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:3816
    • 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\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5004
    • C:\Users\Admin\AppData\Local\Temp\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.exe
      "C:\Users\Admin\AppData\Local\Temp\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.exe"
      2⤵
        PID:3512
      • C:\Users\Admin\AppData\Local\Temp\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.exe
        "C:\Users\Admin\AppData\Local\Temp\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.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:2096

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049.exe.log

      Filesize

      1KB

      MD5

      8cb8dbbb019a535fe00246c7afdb4270

      SHA1

      7d4fd9f302e4fc68a6fc3f95f0513c471ebfbb50

      SHA256

      2c4f3f1d603c33e8410ce061380ec7a1772db21bdc4b01d3ca4067500a391f86

      SHA512

      abc0cc34903b4d91f9f48ced799ee8019dcaa52f852e2b33cab42e92c3fd80a4ff2c71c12734836288c26165a77daa60badb6f0cc45ee8b6e1b431d3b1952a44

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wxmnylf2.o5r.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2096-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2096-23-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/2096-62-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/2096-63-0x0000000006840000-0x0000000006A02000-memory.dmp

      Filesize

      1.8MB

    • memory/2096-64-0x00000000066E0000-0x0000000006730000-memory.dmp

      Filesize

      320KB

    • memory/2096-15-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3816-10-0x0000000005800000-0x0000000005812000-memory.dmp

      Filesize

      72KB

    • memory/3816-9-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3816-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

      Filesize

      4KB

    • memory/3816-11-0x00000000070B0000-0x000000000713E000-memory.dmp

      Filesize

      568KB

    • memory/3816-8-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

      Filesize

      4KB

    • memory/3816-7-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3816-6-0x0000000005FF0000-0x000000000608C000-memory.dmp

      Filesize

      624KB

    • memory/3816-16-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3816-5-0x0000000005440000-0x000000000544A000-memory.dmp

      Filesize

      40KB

    • memory/3816-4-0x0000000005480000-0x000000000552A000-memory.dmp

      Filesize

      680KB

    • memory/3816-3-0x0000000005330000-0x00000000053C2000-memory.dmp

      Filesize

      584KB

    • memory/3816-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

      Filesize

      5.6MB

    • memory/3816-1-0x0000000000800000-0x00000000008C0000-memory.dmp

      Filesize

      768KB

    • memory/5004-20-0x0000000005000000-0x0000000005022000-memory.dmp

      Filesize

      136KB

    • memory/5004-50-0x0000000007900000-0x0000000007F7A000-memory.dmp

      Filesize

      6.5MB

    • memory/5004-22-0x0000000005760000-0x00000000057C6000-memory.dmp

      Filesize

      408KB

    • memory/5004-25-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/5004-24-0x0000000005950000-0x0000000005CA4000-memory.dmp

      Filesize

      3.3MB

    • memory/5004-35-0x0000000005F90000-0x0000000005FAE000-memory.dmp

      Filesize

      120KB

    • memory/5004-36-0x0000000006020000-0x000000000606C000-memory.dmp

      Filesize

      304KB

    • memory/5004-37-0x0000000006550000-0x0000000006582000-memory.dmp

      Filesize

      200KB

    • memory/5004-48-0x0000000006530000-0x000000000654E000-memory.dmp

      Filesize

      120KB

    • memory/5004-38-0x0000000070730000-0x000000007077C000-memory.dmp

      Filesize

      304KB

    • memory/5004-49-0x0000000007170000-0x0000000007213000-memory.dmp

      Filesize

      652KB

    • memory/5004-21-0x00000000050A0000-0x0000000005106000-memory.dmp

      Filesize

      408KB

    • memory/5004-51-0x00000000072B0000-0x00000000072CA000-memory.dmp

      Filesize

      104KB

    • memory/5004-52-0x0000000007330000-0x000000000733A000-memory.dmp

      Filesize

      40KB

    • memory/5004-53-0x0000000007530000-0x00000000075C6000-memory.dmp

      Filesize

      600KB

    • memory/5004-54-0x00000000074B0000-0x00000000074C1000-memory.dmp

      Filesize

      68KB

    • memory/5004-55-0x00000000074E0000-0x00000000074EE000-memory.dmp

      Filesize

      56KB

    • memory/5004-56-0x00000000074F0000-0x0000000007504000-memory.dmp

      Filesize

      80KB

    • memory/5004-57-0x00000000075F0000-0x000000000760A000-memory.dmp

      Filesize

      104KB

    • memory/5004-58-0x00000000075D0000-0x00000000075D8000-memory.dmp

      Filesize

      32KB

    • memory/5004-61-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/5004-19-0x0000000005130000-0x0000000005758000-memory.dmp

      Filesize

      6.2MB

    • memory/5004-18-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/5004-17-0x00000000049E0000-0x0000000004A16000-memory.dmp

      Filesize

      216KB