Analysis

  • max time kernel
    127s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 03:01

General

  • Target

    bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.exe

  • Size

    994KB

  • MD5

    1ae7a890014eba9c807c6adeabac7671

  • SHA1

    e3b92645849a3e064d9fc401badf115dab013839

  • SHA256

    bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a

  • SHA512

    3a54469caeb4052cb4b842b30292e5ae00c9bf2a29f0d293d975d7bd0283d657c2fb4c9fd0df0797782eda78474a9eab5f8fa6d1ff66ceaf59f00e128fbab2d7

  • SSDEEP

    24576:Yij0gzjizxWgioJqE9p9jzOtXGnwaEalbcHNGtAlUDRL:1zjkW2H9p9PmXMOHNzUDB

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 11 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\bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.exe
    "C:\Users\Admin\AppData\Local\Temp\bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.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:2212
    • 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\bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1536
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NuDUTBObHpKADz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NuDUTBObHpKADz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE38A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1448
    • C:\Users\Admin\AppData\Local\Temp\bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.exe
      "C:\Users\Admin\AppData\Local\Temp\bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.exe"
      2⤵
        PID:2492
      • C:\Users\Admin\AppData\Local\Temp\bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.exe
        "C:\Users\Admin\AppData\Local\Temp\bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a.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:2636

    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

      2f3ea5c2e38e3e0b6fb0991b0e88ef0a

      SHA1

      338fa741bd8bafe3e6335497a496654c4cf6e073

      SHA256

      80c75ab5ee343f3768698c5748d183e7bd614939868a5d5192d3eb307ba5d52b

      SHA512

      9314ea82bd274db4bea53fe560dedb6ad81770ec03b62c0244505a483654f6ef5fe66127ecd2f6d0342d65160b4e1b4b0a7f16c5ca1820adc6e4fbf79077a5e2

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a2icpjm4.hhp.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpE38A.tmp

      Filesize

      1KB

      MD5

      f98f16c5d2cd8e33df079b80e7b08e95

      SHA1

      bf4a04f8e439b3e2ebb50eb52cc36e509464bdc1

      SHA256

      22a83fe0eef7bb77b9e3eb6028e35d469ae8dc7cd55e818065c0e4eab998aedb

      SHA512

      c013071147b197848806a7bd123b4cc14bad8594b9d84b42db34ad315bde66de7ec6e81366137c88ff64829a58762386c57247746d6bfc002fd766d3132f9553

    • memory/992-74-0x0000000007C40000-0x00000000082BA000-memory.dmp

      Filesize

      6.5MB

    • memory/992-52-0x0000000070A20000-0x0000000070A6C000-memory.dmp

      Filesize

      304KB

    • memory/992-77-0x0000000007880000-0x0000000007916000-memory.dmp

      Filesize

      600KB

    • memory/992-76-0x0000000007670000-0x000000000767A000-memory.dmp

      Filesize

      40KB

    • memory/992-24-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/992-73-0x00000000074E0000-0x0000000007583000-memory.dmp

      Filesize

      652KB

    • memory/992-51-0x00000000068B0000-0x00000000068E2000-memory.dmp

      Filesize

      200KB

    • memory/992-79-0x0000000007830000-0x000000000783E000-memory.dmp

      Filesize

      56KB

    • memory/992-72-0x00000000068F0000-0x000000000690E000-memory.dmp

      Filesize

      120KB

    • memory/992-50-0x0000000006850000-0x000000000689C000-memory.dmp

      Filesize

      304KB

    • memory/992-49-0x00000000061D0000-0x00000000061EE000-memory.dmp

      Filesize

      120KB

    • memory/992-19-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/992-82-0x0000000007920000-0x0000000007928000-memory.dmp

      Filesize

      32KB

    • memory/992-88-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/992-32-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1536-16-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1536-81-0x0000000007330000-0x000000000734A000-memory.dmp

      Filesize

      104KB

    • memory/1536-23-0x0000000004E10000-0x0000000004E76000-memory.dmp

      Filesize

      408KB

    • memory/1536-89-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1536-21-0x0000000004D00000-0x0000000004D22000-memory.dmp

      Filesize

      136KB

    • memory/1536-26-0x0000000005670000-0x00000000059C4000-memory.dmp

      Filesize

      3.3MB

    • memory/1536-25-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1536-22-0x0000000004DA0000-0x0000000004E06000-memory.dmp

      Filesize

      408KB

    • memory/1536-18-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1536-17-0x0000000004E80000-0x00000000054A8000-memory.dmp

      Filesize

      6.2MB

    • memory/1536-62-0x0000000070A20000-0x0000000070A6C000-memory.dmp

      Filesize

      304KB

    • memory/1536-80-0x0000000007230000-0x0000000007244000-memory.dmp

      Filesize

      80KB

    • memory/1536-15-0x00000000023E0000-0x0000000002416000-memory.dmp

      Filesize

      216KB

    • memory/1536-78-0x00000000071F0000-0x0000000007201000-memory.dmp

      Filesize

      68KB

    • memory/1536-75-0x0000000006FF0000-0x000000000700A000-memory.dmp

      Filesize

      104KB

    • memory/2212-0-0x000000007444E000-0x000000007444F000-memory.dmp

      Filesize

      4KB

    • memory/2212-4-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2212-7-0x0000000005650000-0x0000000005662000-memory.dmp

      Filesize

      72KB

    • memory/2212-6-0x00000000056F0000-0x000000000578C000-memory.dmp

      Filesize

      624KB

    • memory/2212-10-0x00000000069E0000-0x0000000006A6E000-memory.dmp

      Filesize

      568KB

    • memory/2212-5-0x00000000053F0000-0x00000000053FA000-memory.dmp

      Filesize

      40KB

    • memory/2212-9-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2212-48-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2212-8-0x000000007444E000-0x000000007444F000-memory.dmp

      Filesize

      4KB

    • memory/2212-3-0x0000000005400000-0x0000000005492000-memory.dmp

      Filesize

      584KB

    • memory/2212-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

      Filesize

      5.6MB

    • memory/2212-1-0x00000000008E0000-0x00000000009DE000-memory.dmp

      Filesize

      1016KB

    • memory/2636-33-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2636-90-0x0000000006C50000-0x0000000006E12000-memory.dmp

      Filesize

      1.8MB

    • memory/2636-91-0x0000000006AD0000-0x0000000006B20000-memory.dmp

      Filesize

      320KB