Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21/08/2024, 07:56

General

  • Target

    23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe

  • Size

    714KB

  • MD5

    06ef63fcb30cb75b38e13a0a12764097

  • SHA1

    fbf8ee77153177587ef1e81e36cb4adad054d208

  • SHA256

    23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2

  • SHA512

    833722edea13277437343fd24cdfdd2b99a5c8d909a68421ee65bb0e0bbefa41aef183340cce4991d55c21d505e6bfc7e6bb429ccbb10bcdf619669e800b42d2

  • SSDEEP

    12288:c9iiCwgqaVouR4NFasPhfhalaY8xYzOwmutXu5biBfLxenfpQE/rnXwfBIkR:c91C/qaSuybalFdmmeRaLMfmks

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 1 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 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\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe
    "C:\Users\Admin\AppData\Local\Temp\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1136
    • 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\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:876
    • C:\Users\Admin\AppData\Local\Temp\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe
      "C:\Users\Admin\AppData\Local\Temp\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.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:32

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_14izg5nj.j1l.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/32-12-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/32-61-0x00000000064F0000-0x0000000006540000-memory.dmp

          Filesize

          320KB

        • memory/32-60-0x0000000006650000-0x0000000006812000-memory.dmp

          Filesize

          1.8MB

        • memory/32-59-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/32-16-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/32-14-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/876-49-0x0000000007360000-0x000000000736A000-memory.dmp

          Filesize

          40KB

        • memory/876-34-0x0000000006560000-0x00000000065AC000-memory.dmp

          Filesize

          304KB

        • memory/876-58-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/876-55-0x0000000007620000-0x0000000007628000-memory.dmp

          Filesize

          32KB

        • memory/876-54-0x0000000007630000-0x000000000764A000-memory.dmp

          Filesize

          104KB

        • memory/876-53-0x0000000007530000-0x0000000007545000-memory.dmp

          Filesize

          84KB

        • memory/876-52-0x0000000007520000-0x000000000752E000-memory.dmp

          Filesize

          56KB

        • memory/876-51-0x00000000074F0000-0x0000000007501000-memory.dmp

          Filesize

          68KB

        • memory/876-50-0x0000000007570000-0x0000000007606000-memory.dmp

          Filesize

          600KB

        • memory/876-17-0x0000000002790000-0x00000000027C6000-memory.dmp

          Filesize

          216KB

        • memory/876-19-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/876-18-0x00000000051B0000-0x00000000057DA000-memory.dmp

          Filesize

          6.2MB

        • memory/876-20-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/876-21-0x00000000050F0000-0x0000000005112000-memory.dmp

          Filesize

          136KB

        • memory/876-22-0x00000000057E0000-0x0000000005846000-memory.dmp

          Filesize

          408KB

        • memory/876-23-0x0000000005850000-0x00000000058B6000-memory.dmp

          Filesize

          408KB

        • memory/876-48-0x00000000072E0000-0x00000000072FA000-memory.dmp

          Filesize

          104KB

        • memory/876-32-0x0000000005A40000-0x0000000005D97000-memory.dmp

          Filesize

          3.3MB

        • memory/876-33-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

          Filesize

          120KB

        • memory/876-47-0x0000000007930000-0x0000000007FAA000-memory.dmp

          Filesize

          6.5MB

        • memory/876-35-0x0000000006F80000-0x0000000006FB4000-memory.dmp

          Filesize

          208KB

        • memory/876-36-0x0000000071060000-0x00000000710AC000-memory.dmp

          Filesize

          304KB

        • memory/876-45-0x0000000006520000-0x000000000653E000-memory.dmp

          Filesize

          120KB

        • memory/876-46-0x00000000071C0000-0x0000000007264000-memory.dmp

          Filesize

          656KB

        • memory/1136-7-0x0000000005B10000-0x0000000005B22000-memory.dmp

          Filesize

          72KB

        • memory/1136-4-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/1136-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

          Filesize

          4KB

        • memory/1136-5-0x0000000005A40000-0x0000000005A4A000-memory.dmp

          Filesize

          40KB

        • memory/1136-15-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/1136-6-0x0000000005DF0000-0x0000000005E8C000-memory.dmp

          Filesize

          624KB

        • memory/1136-8-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

          Filesize

          4KB

        • memory/1136-11-0x0000000007000000-0x000000000708A000-memory.dmp

          Filesize

          552KB

        • memory/1136-10-0x0000000005D40000-0x0000000005D50000-memory.dmp

          Filesize

          64KB

        • memory/1136-9-0x0000000074F90000-0x0000000075741000-memory.dmp

          Filesize

          7.7MB

        • memory/1136-3-0x0000000005950000-0x00000000059E2000-memory.dmp

          Filesize

          584KB

        • memory/1136-2-0x0000000005FE0000-0x0000000006586000-memory.dmp

          Filesize

          5.6MB

        • memory/1136-1-0x0000000000DE0000-0x0000000000E96000-memory.dmp

          Filesize

          728KB