Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 01:33

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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 use of WriteProcessMemory
    PID:1908
    • 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:552
    • 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:2360

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_ch2xcm4m.he0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/552-51-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

    Filesize

    104KB

  • memory/552-50-0x00000000080E0000-0x000000000875A000-memory.dmp

    Filesize

    6.5MB

  • memory/552-22-0x0000000005760000-0x00000000057C6000-memory.dmp

    Filesize

    408KB

  • memory/552-61-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/552-58-0x0000000007DC0000-0x0000000007DC8000-memory.dmp

    Filesize

    32KB

  • memory/552-57-0x0000000007DE0000-0x0000000007DFA000-memory.dmp

    Filesize

    104KB

  • memory/552-56-0x0000000007CE0000-0x0000000007CF4000-memory.dmp

    Filesize

    80KB

  • memory/552-55-0x0000000007CD0000-0x0000000007CDE000-memory.dmp

    Filesize

    56KB

  • memory/552-54-0x0000000007CA0000-0x0000000007CB1000-memory.dmp

    Filesize

    68KB

  • memory/552-53-0x0000000007D20000-0x0000000007DB6000-memory.dmp

    Filesize

    600KB

  • memory/552-52-0x0000000007B10000-0x0000000007B1A000-memory.dmp

    Filesize

    40KB

  • memory/552-35-0x0000000006C30000-0x0000000006C7C000-memory.dmp

    Filesize

    304KB

  • memory/552-49-0x0000000007990000-0x0000000007A33000-memory.dmp

    Filesize

    652KB

  • memory/552-48-0x0000000007940000-0x000000000795E000-memory.dmp

    Filesize

    120KB

  • memory/552-17-0x0000000002E80000-0x0000000002EB6000-memory.dmp

    Filesize

    216KB

  • memory/552-33-0x00000000061A0000-0x00000000064F4000-memory.dmp

    Filesize

    3.3MB

  • memory/552-18-0x0000000005950000-0x0000000005F78000-memory.dmp

    Filesize

    6.2MB

  • memory/552-20-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/552-21-0x00000000056C0000-0x00000000056E2000-memory.dmp

    Filesize

    136KB

  • memory/552-23-0x0000000006030000-0x0000000006096000-memory.dmp

    Filesize

    408KB

  • memory/552-38-0x0000000070560000-0x00000000705AC000-memory.dmp

    Filesize

    304KB

  • memory/552-37-0x0000000006D40000-0x0000000006D72000-memory.dmp

    Filesize

    200KB

  • memory/552-36-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/552-34-0x0000000006780000-0x000000000679E000-memory.dmp

    Filesize

    120KB

  • memory/1908-6-0x0000000005BB0000-0x0000000005BBA000-memory.dmp

    Filesize

    40KB

  • memory/1908-7-0x0000000006820000-0x00000000068BC000-memory.dmp

    Filesize

    624KB

  • memory/1908-3-0x0000000005AC0000-0x0000000005B52000-memory.dmp

    Filesize

    584KB

  • memory/1908-4-0x0000000005C10000-0x0000000005CBA000-memory.dmp

    Filesize

    680KB

  • memory/1908-16-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1908-1-0x0000000000F70000-0x0000000001030000-memory.dmp

    Filesize

    768KB

  • memory/1908-2-0x0000000005FD0000-0x0000000006574000-memory.dmp

    Filesize

    5.6MB

  • memory/1908-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/1908-5-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1908-11-0x0000000007860000-0x00000000078EE000-memory.dmp

    Filesize

    568KB

  • memory/1908-10-0x0000000005F70000-0x0000000005F82000-memory.dmp

    Filesize

    72KB

  • memory/1908-9-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1908-8-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2360-19-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2360-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2360-15-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2360-62-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2360-63-0x00000000064F0000-0x00000000066B2000-memory.dmp

    Filesize

    1.8MB

  • memory/2360-64-0x0000000006370000-0x00000000063C0000-memory.dmp

    Filesize

    320KB