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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 01:14

General

  • Target

    20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe

  • Size

    981KB

  • MD5

    462a9165371be9c5f86b76adbc068d37

  • SHA1

    ff92bce9d712585aea9d85be80c3142a23353613

  • SHA256

    20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79

  • SHA512

    c4008ca783ff00c5416167731944c5b5dcdeb7eefd114b6c2ad450b60e49a01cda62eab377c5e7cf084382c5b7738c7756a3a4875c7de732ff2d8a91bc62a601

  • SSDEEP

    12288:NiweayfGZVFFaAmpa/JQYemIy0R5C83ju8IhEZEusORzu+2p4EeP1R6FUkR:YweaMGj+Vzy0PC837IYHsU1Ma6FT

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 18 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\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe
    "C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.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:3436
    • 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\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4936
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VbOcmCITQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VbOcmCITQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1064
    • C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe
      "C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe"
      2⤵
        PID:2860
      • C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe
        "C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.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:4408

    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

      47b34891bd1907c92ae392c7cfef7925

      SHA1

      a0d54d85daa31f6855e5cfbca59d8430e81b2531

      SHA256

      d4546c84e57f0cbe4aff6d8e28b85e6a7645c44f8bf3af9491d5c1b95ec9ed7f

      SHA512

      ec7f6a5dd1b200df902e4d270b53d1868e636040a95d6b6bcc43286c69d790bd578db50d849843ae9421ce5a109c4dab3a13d829f466f6e6e19eb393443738c7

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v1xzujqn.ghd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpC6F.tmp

      Filesize

      1KB

      MD5

      721ff0f69289da66613aa7f4842c0f6f

      SHA1

      978a4bace2321e37a7be1c8a75819d404098c135

      SHA256

      1edd86bee0a4bb007ea228a018a145c018a0439f8208c306292c632840a63cb9

      SHA512

      d7054ca76ad0dc33f3f1980dca94dacf927ab484750bc3ca49f9ec304f3d58ffeefd2cbd3281333b3207219701a19088c7595f80145dddecc8507dbb885200bf

    • memory/1008-89-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/1008-26-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/1008-64-0x0000000075870000-0x00000000758BC000-memory.dmp

      Filesize

      304KB

    • memory/1008-22-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/1008-79-0x0000000007500000-0x000000000750E000-memory.dmp

      Filesize

      56KB

    • memory/3436-6-0x0000000006A90000-0x0000000006B50000-memory.dmp

      Filesize

      768KB

    • memory/3436-4-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/3436-11-0x000000000E530000-0x000000000E5CC000-memory.dmp

      Filesize

      624KB

    • memory/3436-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

      Filesize

      4KB

    • memory/3436-1-0x0000000000BD0000-0x0000000000CC8000-memory.dmp

      Filesize

      992KB

    • memory/3436-9-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/3436-8-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

      Filesize

      4KB

    • memory/3436-7-0x0000000005840000-0x000000000585E000-memory.dmp

      Filesize

      120KB

    • memory/3436-48-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/3436-5-0x0000000005630000-0x000000000563A000-memory.dmp

      Filesize

      40KB

    • memory/3436-10-0x0000000002DF0000-0x0000000002E7C000-memory.dmp

      Filesize

      560KB

    • memory/3436-3-0x0000000005560000-0x00000000055F2000-memory.dmp

      Filesize

      584KB

    • memory/3436-2-0x0000000005A60000-0x0000000006004000-memory.dmp

      Filesize

      5.6MB

    • memory/4408-90-0x0000000006400000-0x00000000065C2000-memory.dmp

      Filesize

      1.8MB

    • memory/4408-46-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/4408-91-0x0000000006280000-0x00000000062D0000-memory.dmp

      Filesize

      320KB

    • memory/4936-44-0x00000000055B0000-0x0000000005904000-memory.dmp

      Filesize

      3.3MB

    • memory/4936-24-0x0000000005420000-0x0000000005486000-memory.dmp

      Filesize

      408KB

    • memory/4936-49-0x0000000005B80000-0x0000000005B9E000-memory.dmp

      Filesize

      120KB

    • memory/4936-50-0x0000000006140000-0x000000000618C000-memory.dmp

      Filesize

      304KB

    • memory/4936-62-0x0000000006100000-0x000000000611E000-memory.dmp

      Filesize

      120KB

    • memory/4936-63-0x0000000006DC0000-0x0000000006E63000-memory.dmp

      Filesize

      652KB

    • memory/4936-52-0x0000000075870000-0x00000000758BC000-memory.dmp

      Filesize

      304KB

    • memory/4936-51-0x0000000006D80000-0x0000000006DB2000-memory.dmp

      Filesize

      200KB

    • memory/4936-25-0x0000000005540000-0x00000000055A6000-memory.dmp

      Filesize

      408KB

    • memory/4936-74-0x00000000074F0000-0x0000000007B6A000-memory.dmp

      Filesize

      6.5MB

    • memory/4936-75-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

      Filesize

      104KB

    • memory/4936-76-0x0000000006F10000-0x0000000006F1A000-memory.dmp

      Filesize

      40KB

    • memory/4936-77-0x0000000007120000-0x00000000071B6000-memory.dmp

      Filesize

      600KB

    • memory/4936-78-0x00000000070A0000-0x00000000070B1000-memory.dmp

      Filesize

      68KB

    • memory/4936-23-0x0000000004CB0000-0x0000000004CD2000-memory.dmp

      Filesize

      136KB

    • memory/4936-80-0x00000000070E0000-0x00000000070F4000-memory.dmp

      Filesize

      80KB

    • memory/4936-81-0x00000000071E0000-0x00000000071FA000-memory.dmp

      Filesize

      104KB

    • memory/4936-82-0x00000000071C0000-0x00000000071C8000-memory.dmp

      Filesize

      32KB

    • memory/4936-20-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/4936-19-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/4936-88-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/4936-18-0x0000000004D40000-0x0000000005368000-memory.dmp

      Filesize

      6.2MB

    • memory/4936-17-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/4936-16-0x0000000002250000-0x0000000002286000-memory.dmp

      Filesize

      216KB