Analysis

  • max time kernel
    140s
  • max time network
    144s
  • 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 03:39

General

  • Target

    dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.exe

  • Size

    901KB

  • MD5

    fe3c062c09ea9fc35048f708cb95ecb1

  • SHA1

    118dbd2be3e9033b57282cb1c3e188d3c3141364

  • SHA256

    dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531

  • SHA512

    80eec66e3e4beb210f7e94a4ffcb82f37a1d3ff07e7bd4599676233ed3585e2d51b81359e3f40f55bb7009bde5e9f3cd31624ba0a8f8645f8e31d4de5ebdefad

  • SSDEEP

    12288:GSpgdcAijOeKiMd3CRKoeSW/Z24gvar6iUUJGl3HxIE:GAAMKiO3y98EoLJGJF

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 2 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 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.exe
    "C:\Users\Admin\AppData\Local\Temp\dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.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:2228
    • 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\dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lFUADIVKfDRpV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3868
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lFUADIVKfDRpV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDACF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3036
    • C:\Users\Admin\AppData\Local\Temp\dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.exe
      "C:\Users\Admin\AppData\Local\Temp\dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.exe"
      2⤵
        PID:3980
      • C:\Users\Admin\AppData\Local\Temp\dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.exe
        "C:\Users\Admin\AppData\Local\Temp\dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531.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:3548

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      474ca2e49e28b9a66c28f7508ed0cd69

      SHA1

      643395b0e2a273839a03fa0ca75c76d9f917ab19

      SHA256

      f2ae18e43cbe41c2d268047328aaa060c9b2ac8fb37f18efd600f42e547752e1

      SHA512

      601a6765d556469190dea3f7a044e7feb4485616ae36226eb5b12ff0654c26f86ac6d79f21a4072ba09393272c1d4a3c1d1fa327e80b07c6311382febff743d4

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v2yjtzkd.hx3.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpDACF.tmp

      Filesize

      1KB

      MD5

      15d94c04197a69bcab5c8189addfff0e

      SHA1

      38a0ed775028a08709f6c3f1579ad86ca4088fbe

      SHA256

      c3a22f0fcb5eb65906c96441c86604996d3f4531b384eee02b36fcbb3560863b

      SHA512

      33c31a64b47c6cffca406d9fd43321d1e929d2d6450287b44f8f281e75c095336c6ce366b556540b44d4f12cc1e19049f24c54c2987d6bbfc8e4a3a06a3d8cd2

    • memory/2144-76-0x00000000071B0000-0x00000000071BA000-memory.dmp

      Filesize

      40KB

    • memory/2144-78-0x0000000007340000-0x0000000007351000-memory.dmp

      Filesize

      68KB

    • memory/2144-50-0x00000000061D0000-0x000000000621C000-memory.dmp

      Filesize

      304KB

    • memory/2144-89-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2144-79-0x0000000007380000-0x000000000738E000-memory.dmp

      Filesize

      56KB

    • memory/2144-77-0x00000000073C0000-0x0000000007456000-memory.dmp

      Filesize

      600KB

    • memory/2144-74-0x0000000007790000-0x0000000007E0A000-memory.dmp

      Filesize

      6.5MB

    • memory/2144-15-0x0000000002500000-0x0000000002536000-memory.dmp

      Filesize

      216KB

    • memory/2144-16-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2144-17-0x0000000005020000-0x0000000005648000-memory.dmp

      Filesize

      6.2MB

    • memory/2144-19-0x0000000004D60000-0x0000000004D82000-memory.dmp

      Filesize

      136KB

    • memory/2144-21-0x0000000004E70000-0x0000000004ED6000-memory.dmp

      Filesize

      408KB

    • memory/2144-20-0x0000000004E00000-0x0000000004E66000-memory.dmp

      Filesize

      408KB

    • memory/2144-75-0x0000000007140000-0x000000000715A000-memory.dmp

      Filesize

      104KB

    • memory/2144-22-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2144-63-0x0000000006E30000-0x0000000006ED3000-memory.dmp

      Filesize

      652KB

    • memory/2144-62-0x00000000063C0000-0x00000000063DE000-memory.dmp

      Filesize

      120KB

    • memory/2144-48-0x0000000005E20000-0x0000000005E3E000-memory.dmp

      Filesize

      120KB

    • memory/2144-51-0x0000000006DF0000-0x0000000006E22000-memory.dmp

      Filesize

      200KB

    • memory/2144-52-0x000000006F1D0000-0x000000006F21C000-memory.dmp

      Filesize

      304KB

    • memory/2144-44-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

      Filesize

      5.6MB

    • memory/2228-49-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-10-0x000000000A7E0000-0x000000000A87C000-memory.dmp

      Filesize

      624KB

    • memory/2228-9-0x00000000080A0000-0x000000000812E000-memory.dmp

      Filesize

      568KB

    • memory/2228-6-0x0000000005DB0000-0x0000000005DCC000-memory.dmp

      Filesize

      112KB

    • memory/2228-7-0x000000007443E000-0x000000007443F000-memory.dmp

      Filesize

      4KB

    • memory/2228-5-0x0000000005810000-0x000000000581A000-memory.dmp

      Filesize

      40KB

    • memory/2228-1-0x0000000000D20000-0x0000000000E06000-memory.dmp

      Filesize

      920KB

    • memory/2228-3-0x0000000005870000-0x0000000005902000-memory.dmp

      Filesize

      584KB

    • memory/2228-4-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-8-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-0-0x000000007443E000-0x000000007443F000-memory.dmp

      Filesize

      4KB

    • memory/3548-91-0x0000000006B10000-0x0000000006B60000-memory.dmp

      Filesize

      320KB

    • memory/3548-45-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3548-90-0x0000000006C90000-0x0000000006E52000-memory.dmp

      Filesize

      1.8MB

    • memory/3868-64-0x000000006F1D0000-0x000000006F21C000-memory.dmp

      Filesize

      304KB

    • memory/3868-30-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3868-80-0x00000000075B0000-0x00000000075C4000-memory.dmp

      Filesize

      80KB

    • memory/3868-81-0x00000000076B0000-0x00000000076CA000-memory.dmp

      Filesize

      104KB

    • memory/3868-82-0x0000000007690000-0x0000000007698000-memory.dmp

      Filesize

      32KB

    • memory/3868-46-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3868-28-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3868-88-0x0000000074430000-0x0000000074BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3868-29-0x0000000005A40000-0x0000000005D94000-memory.dmp

      Filesize

      3.3MB