Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 18:50

General

  • Target
    file.msi
  • Size 5.3MB
  • Sample240123-xhamcafbdm
  • SHA256 309f371de0c849ae03a22bd6c896b607a01f4dfb02b82198a8030e4cfe369407
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • diceloader

C2
  • 166.1.18.245

  • 91.149.241.198

Signatures

  • DiceLoader

    DiceLoader is a loader written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 45 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 39 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\file.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:752
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4FB1C0D0F3D29CE903B717E15C4BEDF4 U
      2⤵
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      PID:4132
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2544
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding ECA0CF9075F3E1B7B8978E0317918F1A
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2176
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSI982F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240753000 2 WixSharp!WixSharp.ManagedProjectActions.WixSharp_InitRuntime_Action
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          PID:3792
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSIA793.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240756750 11 WixSharp!WixSharp.ManagedProjectActions.CancelRequestHandler
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          PID:3120
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSIADAE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240758250 15 MSIMaker!WixSharp.Setup.Program.AUnzipPythonAction
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          PID:2180
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSIBF05.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240762843 27 MSIMaker!WixSharp.Setup.Program.InstallPythonScript2
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious use of WriteProcessMemory
          PID:888
          • C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\pythonw.exe
            "C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\pythonw.exe" "C:\Users\Admin\AppData\Local\Temp\tmpC29A.pyc"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            PID:3032
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSICB79.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240765859 40 MSIMaker!WixSharp.Setup.Program.InstallWAutorunScript
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in Windows directory
          PID:2332
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4848

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59968c.rbs

          • Path C:\Config.Msi\e59968c.rbs
          • Size 8KB
          • SHA256 6a55abb4d3776b716ee81658d1a0de68688ac95022d8854cb72b0e34879e90f8
          • MD5 SHA1 SHA512 SSDEEP

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 651B
          • SHA256 549953bd4fc8acc868a9374ec684ebd9e7b23939adf551016f3433b642697b74
          • MD5 SHA1 SHA512

          genericpath.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\genericpath.py
          • Size 3KB
          • SHA256 e0202ab5bfda8347636d370dc286a79787d686524908ae94e51487f1c3a59f68
          • MD5 SHA1 SHA512

          genericpath.pyc

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\genericpath.pyc
          • Size 3KB
          • SHA256 b2fa99fc6958a84c1f745e821a8895860a20b038719e35384098b5ac1f93cb9d
          • MD5 SHA1 SHA512

          linecache.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\linecache.py
          • Size 4KB
          • SHA256 fd6ee0fc6158db0f984d9da7c33c4700368bfa7a3c4c16535a4aa78cf04eb385
          • MD5 SHA1 SHA512 SSDEEP

          linecache.pyc

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\linecache.pyc
          • Size 3KB
          • SHA256 401906026d10cd711a3fa523e67465b9d88308aebbb73023f13720eb73756547
          • MD5 SHA1 SHA512

          ntpath.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\ntpath.py
          • Size 19KB
          • SHA256 1aff3617f1e1d1df42303168fe65989ae6d8a9ada05d6c6617b9be676ac8348d
          • MD5 SHA1 SHA512 SSDEEP

          ntpath.pyc

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\ntpath.pyc
          • Size 12KB
          • SHA256 4daae9222da1039edbb2cf8726db4140d65a01d57f9ac7514cdf29dbd6bcb8e4
          • MD5 SHA1 SHA512 SSDEEP

          os.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\os.py
          • Size 26KB
          • SHA256 c8e67622df3b0e6455038a21fb0e25f1ed1071ee841fc745a54d4be2b7d88391
          • MD5 SHA1 SHA512 SSDEEP

          os.pyc

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\os.pyc
          • Size 24KB
          • SHA256 2d351b994dc237e9bb7255075d3e14ee49719c38a4dff3d98d08e7bf38e35aa6
          • MD5 SHA1 SHA512 SSDEEP

          site.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\site.py
          • Size 19KB
          • SHA256 7fc378db8e71b2f3297874a29ecc791deac530b5f73d49f3bdba68314170e944
          • MD5 SHA1 SHA512 SSDEEP

          site.pyc

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\site.pyc
          • Size 18KB
          • SHA256 e7d90333f611a466fac9ce4854f5e4985e8a95a95dfd90c2694adf04fc335a15
          • MD5 SHA1 SHA512 SSDEEP

          stat.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\stat.py
          • Size 1KB
          • SHA256 215c43883e6c39d3288fa67569729ea43beb754a1df1e09db77db7d4edc35838
          • MD5 SHA1 SHA512

          stat.pyc

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\stat.pyc
          • Size 2KB
          • SHA256 bc6f58b5aa3a5dc2fccd78bb132aab801cc719a1102c5eccd6e2c5fbf17d2318
          • MD5 SHA1 SHA512

          types.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\types.py
          • Size 2KB
          • SHA256 b56a0531b4768d6ba0c13b79a8b2cae185172e312d38bcfc4daae197114641b2
          • MD5 SHA1 SHA512

          warnings.py

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\warnings.py
          • Size 14KB
          • SHA256 e7f704ae13a548554f66ea751925342e940d019c04e45e8966d88436a7634b36
          • MD5 SHA1 SHA512 SSDEEP

          warnings.pyc

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\lib\warnings.pyc
          • Size 13KB
          • SHA256 05288eb09a0273ba2b3c60689ac91a7ff35bae51ced28fbd168ffbfb6e2b817f
          • MD5 SHA1 SHA512 SSDEEP

          python27.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\python27.dll
          • Size 3.3MB
          • SHA256 5845edc96b8a12626f2752518d5aa80113ce4e075b41ceb53bad701fd939b0b0
          • MD5 SHA1 SHA512 SSDEEP

          pythonw.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate\pythonw.exe
          • Size 27KB
          • SHA256 c25ac229d67cc99f5d166287984d80f488cf23c801fbda0bd437d75c36108329
          • MD5 SHA1 SHA512 SSDEEP

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI12735\Microsoft.Deployment.WindowsInstaller.dll
          • Size 182KB
          • SHA256 ced6cab3c04c08ce5705af0b6986965dbdbfda17cbd66c973bb371ed3b95f37a
          • MD5 SHA1 SHA512 SSDEEP

          WixSharp.UI.CA.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI12735\WixSharp.UI.CA.dll
          • Size 489KB
          • SHA256 1825383bc6931fb7d7aea06d85a3b2e53f6a0a05b3d5775bd9967d3386e5a3c2
          • MD5 SHA1 SHA512 SSDEEP

          WixSharp.UI.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI12735\WixSharp.UI.dll
          • Size 239KB
          • SHA256 c29d2aeb1de17211adb98a490051d83bfd05d10af66094ef7159d0917bad35cb
          • MD5 SHA1 SHA512 SSDEEP

          WixSharp.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI12735\WixSharp.dll
          • Size 431KB
          • SHA256 0fc8edc2b0bf3b92ab50c08429b03f7612fe1fe2e1216a4d9266f11058e3e95f
          • MD5 SHA1 SHA512 SSDEEP

          MSI982F.tmp

          • Path C:\Windows\Installer\MSI982F.tmp
          • Size 463KB
          • SHA256 7168dffe0b11a4fb538b66762f303a18cc43c8b602451085e7158ec3c0702750
          • MD5 SHA1 SHA512 SSDEEP

          CustomAction.config

          • Path C:\Windows\Installer\MSI982F.tmp-\CustomAction.config
          • Size 980B
          • SHA256 1a67f60962ca1cbf19873b62a8518efe8c701a09cd609af4c50ecc7f0b468bb8
          • MD5 SHA1 SHA512

          MSIADAE.tmp

          • Path C:\Windows\Installer\MSIADAE.tmp
          • Size 467KB
          • SHA256 740227c2aacafb8d83ba233ff47e22579f28fbec7b3b79cebf4f0a1425cc2d9e
          • MD5 SHA1 SHA512 SSDEEP

          MSIMaker.exe

          • Path C:\Windows\Installer\MSIADAE.tmp-\MSIMaker.exe
          • Size 7KB
          • SHA256 0f6e080b775ed6358230cf2578baa29fd84d7cc73ac63a36fe2571aa302fb2a8
          • MD5 SHA1 SHA512 SSDEEP

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 23.0MB
          • SHA256 a87f71c0e8950eb3dfc0d93649410d60d1ee94f181c6c74597a58f8e678928bb
          • MD5 SHA1 SHA512 SSDEEP

          {914ec8b6-83bd-48a2-bb80-117ddbf60bb4}_OnDiskSnapshotProp

          • Path \??\Volume{57af6234-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{914ec8b6-83bd-48a2-bb80-117ddbf60bb4}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 6b850db3866a94a4f6c79330c7cfb52515ddfbd75e466e365c0a29731d82f5d3
          • MD5 SHA1 SHA512 SSDEEP

          memory/888-1176-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/888-1180-0x0000000002300000-0x0000000002310000-memory.dmp

          memory/888-1190-0x0000000002300000-0x0000000002310000-memory.dmp

          memory/888-1188-0x0000000002300000-0x0000000002310000-memory.dmp

          memory/888-1189-0x0000000002300000-0x0000000002310000-memory.dmp

          memory/888-1207-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/2180-142-0x0000000004F50000-0x0000000004F60000-memory.dmp

          memory/2180-134-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/2180-146-0x0000000004E60000-0x0000000004E6A000-memory.dmp

          memory/2180-148-0x0000000004EA0000-0x0000000004EB2000-memory.dmp

          memory/2180-1160-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/2180-138-0x0000000004E50000-0x0000000004E58000-memory.dmp

          memory/2180-141-0x0000000004F50000-0x0000000004F60000-memory.dmp

          memory/2180-139-0x0000000004F50000-0x0000000004F60000-memory.dmp

          memory/2180-140-0x0000000004F50000-0x0000000004F60000-memory.dmp

          memory/2332-1280-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/2332-1267-0x0000000005410000-0x0000000005420000-memory.dmp

          memory/2332-1263-0x0000000005410000-0x0000000005420000-memory.dmp

          memory/2332-1259-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/3032-1289-0x0000000000CC0000-0x0000000000CC4000-memory.dmp

          memory/3032-1291-0x0000000000CC0000-0x0000000000CC4000-memory.dmp

          memory/3032-1303-0x0000000000CF0000-0x0000000000CF5000-memory.dmp

          memory/3032-1302-0x0000000000CF0000-0x0000000000CF5000-memory.dmp

          memory/3032-1301-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

          memory/3032-1300-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

          memory/3032-1299-0x0000000000CF0000-0x0000000000CF5000-memory.dmp

          memory/3032-1298-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

          memory/3032-1297-0x0000000000CF0000-0x0000000000CF5000-memory.dmp

          memory/3032-1296-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

          memory/3032-1295-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

          memory/3032-1294-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

          memory/3032-1293-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

          memory/3032-1290-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

          memory/3032-1292-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

          memory/3120-97-0x0000000002D80000-0x0000000002D90000-memory.dmp

          memory/3120-94-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/3120-95-0x0000000002D80000-0x0000000002D90000-memory.dmp

          memory/3120-96-0x0000000002D80000-0x0000000002D90000-memory.dmp

          memory/3120-108-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/3792-55-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/3792-74-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/3792-62-0x0000000002950000-0x0000000002960000-memory.dmp

          memory/3792-58-0x0000000002950000-0x0000000002960000-memory.dmp

          memory/3792-57-0x0000000002950000-0x0000000002960000-memory.dmp

          memory/4132-21-0x0000000004700000-0x0000000004742000-memory.dmp

          memory/4132-10-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/4132-25-0x00000000047D0000-0x0000000004842000-memory.dmp

          memory/4132-26-0x0000000004E00000-0x00000000053A4000-memory.dmp

          memory/4132-30-0x0000000004980000-0x0000000004A12000-memory.dmp

          memory/4132-31-0x00000000747B0000-0x0000000074F60000-memory.dmp

          memory/4132-32-0x0000000002500000-0x0000000002510000-memory.dmp

          memory/4132-33-0x0000000002500000-0x0000000002510000-memory.dmp

          memory/4132-17-0x0000000002500000-0x0000000002510000-memory.dmp

          memory/4132-16-0x0000000002650000-0x000000000267E000-memory.dmp

          memory/4132-11-0x0000000002500000-0x0000000002510000-memory.dmp

          memory/4132-1288-0x00000000747B0000-0x0000000074F60000-memory.dmp