Analysis

  • max time kernel
    127s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2024, 02:28

General

  • Target

    37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe

  • Size

    766KB

  • MD5

    3e9424c0379b02d4a15cbd5a0748757b

  • SHA1

    bdf1a9dc926aff66b99708180b2f06e2606cff0e

  • SHA256

    37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3

  • SHA512

    ec522b61c1910e26266fcb37158e4a1fd0436905ce4c5e6841e652b27b9b91170cce2e9b22b60491637b96cc6a9779dd10f84c998321a869684ff9b65b01f6b7

  • SSDEEP

    12288:onCb+eCSmwdQxXiX4XxZ3xgeHcC+mxtpPrEzIlTBtMu04qxA9TWAp73JWA0hpsy:ouCqdISohNxgs+mRDdFtMu04qxyTWApb

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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe
    "C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.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:4056
    • 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\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:900
    • C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe
      "C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.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:3572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ckmzhud5.0gg.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/900-51-0x00000000074B0000-0x00000000074BA000-memory.dmp

          Filesize

          40KB

        • memory/900-50-0x0000000007440000-0x000000000745A000-memory.dmp

          Filesize

          104KB

        • memory/900-60-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/900-57-0x0000000007760000-0x0000000007768000-memory.dmp

          Filesize

          32KB

        • memory/900-56-0x0000000007780000-0x000000000779A000-memory.dmp

          Filesize

          104KB

        • memory/900-55-0x0000000007680000-0x0000000007694000-memory.dmp

          Filesize

          80KB

        • memory/900-54-0x0000000007670000-0x000000000767E000-memory.dmp

          Filesize

          56KB

        • memory/900-53-0x0000000007640000-0x0000000007651000-memory.dmp

          Filesize

          68KB

        • memory/900-52-0x00000000076C0000-0x0000000007756000-memory.dmp

          Filesize

          600KB

        • memory/900-19-0x0000000005860000-0x00000000058C6000-memory.dmp

          Filesize

          408KB

        • memory/900-49-0x0000000007A80000-0x00000000080FA000-memory.dmp

          Filesize

          6.5MB

        • memory/900-48-0x0000000007300000-0x00000000073A3000-memory.dmp

          Filesize

          652KB

        • memory/900-47-0x00000000072E0000-0x00000000072FE000-memory.dmp

          Filesize

          120KB

        • memory/900-14-0x0000000002820000-0x0000000002856000-memory.dmp

          Filesize

          216KB

        • memory/900-37-0x0000000070C80000-0x0000000070CCC000-memory.dmp

          Filesize

          304KB

        • memory/900-17-0x0000000005230000-0x0000000005858000-memory.dmp

          Filesize

          6.2MB

        • memory/900-21-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/900-32-0x0000000005B00000-0x0000000005E54000-memory.dmp

          Filesize

          3.3MB

        • memory/900-36-0x00000000072A0000-0x00000000072D2000-memory.dmp

          Filesize

          200KB

        • memory/900-20-0x00000000059D0000-0x0000000005A36000-memory.dmp

          Filesize

          408KB

        • memory/900-35-0x00000000061B0000-0x00000000061FC000-memory.dmp

          Filesize

          304KB

        • memory/900-18-0x0000000005140000-0x0000000005162000-memory.dmp

          Filesize

          136KB

        • memory/900-22-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/900-33-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/900-34-0x0000000006120000-0x000000000613E000-memory.dmp

          Filesize

          120KB

        • memory/3572-16-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/3572-63-0x0000000006BB0000-0x0000000006C00000-memory.dmp

          Filesize

          320KB

        • memory/3572-62-0x0000000006D30000-0x0000000006EF2000-memory.dmp

          Filesize

          1.8MB

        • memory/3572-61-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/3572-13-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/3572-11-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/4056-8-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

          Filesize

          4KB

        • memory/4056-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

          Filesize

          5.6MB

        • memory/4056-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

          Filesize

          4KB

        • memory/4056-10-0x0000000007D30000-0x0000000007DBE000-memory.dmp

          Filesize

          568KB

        • memory/4056-7-0x00000000053E0000-0x00000000053FC000-memory.dmp

          Filesize

          112KB

        • memory/4056-6-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/4056-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

          Filesize

          40KB

        • memory/4056-4-0x0000000005060000-0x00000000050FC000-memory.dmp

          Filesize

          624KB

        • memory/4056-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

          Filesize

          584KB

        • memory/4056-15-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/4056-9-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/4056-1-0x0000000000480000-0x0000000000546000-memory.dmp

          Filesize

          792KB