Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-02-2024 13:41

General

  • Target

    rat.exe

  • Size

    1.8MB

  • MD5

    8ad0919a0ee7cba7298d009d4b58e3ff

  • SHA1

    f75c3c9f06aa11b72db556d259b40a11d685ac11

  • SHA256

    798159895032344c910b1d937ebda40fafeb2c657e3039c49c0999d77a73f75f

  • SHA512

    23d50fc6006cb610a35cacdf29fee5a074993eb3b3e3f3746d78e9c621fb41c7ac0dda24fd4be4412b3a9915fd93cd1f46fa6f7a476bf53a8cee370939a2a064

  • SSDEEP

    49152:kJuHrhm4SEHZF6qXyoU7Ej44FoGl3RRZr7NoazWVgUIRFSO1SSQ:CMrh3JHZF6VoUoj4+7fNo

Malware Config

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 15 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rat.exe
    "C:\Users\Admin\AppData\Local\Temp\rat.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:540
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Users\Admin\AppData\Roaming\Sys322.exe
        "C:\Users\Admin\AppData\Roaming\Sys322.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4912 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1212
        • C:\Users\Admin\AppData\Roaming\Sys322.exe
          "C:\Users\Admin\AppData\Roaming\Sys322.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4912 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4144
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:560
  • C:\Program Files (x86)\Orcus\Orcus.exe
    "C:\Program Files (x86)\Orcus\Orcus.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:4340
  • C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\Desktop\RedoOut.pptm" /ou ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3396
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\OptimizeTest.cmd" "
    1⤵
      PID:3788

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Orcus\Orcus.exe

      Filesize

      1.8MB

      MD5

      8ad0919a0ee7cba7298d009d4b58e3ff

      SHA1

      f75c3c9f06aa11b72db556d259b40a11d685ac11

      SHA256

      798159895032344c910b1d937ebda40fafeb2c657e3039c49c0999d77a73f75f

      SHA512

      23d50fc6006cb610a35cacdf29fee5a074993eb3b3e3f3746d78e9c621fb41c7ac0dda24fd4be4412b3a9915fd93cd1f46fa6f7a476bf53a8cee370939a2a064

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Sys322.exe.log

      Filesize

      425B

      MD5

      4eaca4566b22b01cd3bc115b9b0b2196

      SHA1

      e743e0792c19f71740416e7b3c061d9f1336bf94

      SHA256

      34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

      SHA512

      bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\AForge.Video.DirectShow.dll

      Filesize

      60KB

      MD5

      17ed442e8485ac3f7dc5b3c089654a61

      SHA1

      d3a17c1fdd6d54951141053f88bf8238dea0b937

      SHA256

      666d44798d94eafa1ed21af79e9bc0293ffd96f863ab5d87f78bcee9ef9ffd6b

      SHA512

      9118bf11760354e9971ae8b27f7f6a405e46145b39ca6e6b413cb2e729e51304b895965e9140f66c9e3ef7caa4f344762bf059688b23dd32e4c2df271394fea2

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\AForge.Video.dll

      Filesize

      20KB

      MD5

      0bd34aa29c7ea4181900797395a6da78

      SHA1

      ddffdcef29daddc36ca7d8ae2c8e01c1c8bb23a8

      SHA256

      bafa6ed04ca2782270074127a0498dde022c2a9f4096c6bb2b8e3c08bb3d404d

      SHA512

      a3734660c0aba1c2b27ab55f9e578371b56c82754a3b7cfd01e68c88967c8dada8d202260220831f1d1039a5a35bd1a67624398e689702481ac056d1c1ddcdb0

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\SharpDX.DXGI.dll

      Filesize

      125KB

      MD5

      2b44c70c49b70d797fbb748158b5d9bb

      SHA1

      93e00e6527e461c45c7868d14cf05c007e478081

      SHA256

      3762d43c83af69cd38c9341a927ca6bd00f6bae8217c874d693047d6df4705bf

      SHA512

      faced62f6ecbfa2ee0d7a47e300302d23030d1f28758cbe9c442e9d8d4f8359c59088aa6237a28103e43d248c8efc7eeaf2c184028701b752df6cce92d6854d0

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\SharpDX.Direct3D11.dll

      Filesize

      271KB

      MD5

      98eb5ba5871acdeaebf3a3b0f64be449

      SHA1

      c965284f60ef789b00b10b3df60ee682b4497de3

      SHA256

      d7617d926648849cbfef450b8f48e458ee52e2793fb2251a30094b778aa8848c

      SHA512

      a60025e304713d333e4b82b2d0be28087950688b049c98d2db5910c00b8d45b92e16d25ac8a58ff1318de019de3a9a00c7cbf8a6ad4b5bb1cb175dafa1b9bea2

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\SharpDX.Direct3D9.dll

      Filesize

      338KB

      MD5

      934da0e49208d0881c44fe19d5033840

      SHA1

      a19c5a822e82e41752a08d3bd9110db19a8a5016

      SHA256

      02da4af8cd4a8de19d816000caaae885e676b9e52f136ff071a279c2b8ad34c7

      SHA512

      de62f629c2299b50af62893244a28895d63b78138c8632449984306f45de16bd01076eadbb0d75a700215e970c1df731e202ea640236c0f0da6ed15146193b59

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\SharpDX.dll

      Filesize

      247KB

      MD5

      ffb4b61cc11bec6d48226027c2c26704

      SHA1

      fa8b9e344accbdc4dffa9b5d821d23f0716da29e

      SHA256

      061542ff3fb36039b7bbffdf3e07b66176b264c1dfd834a14b09c08620717303

      SHA512

      48aa6130bf1f5bd6de19256bbdf754c0158b43dd122cec47bb801a7a7b56f2da268bfdec24d135621764a23278ead3dcc35911a057e2dfa55a348bae8ef7b8a9

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\TurboJpegWrapper.dll

      Filesize

      1.3MB

      MD5

      ac6acc235ebef6374bed71b37e322874

      SHA1

      a267baad59cd7352167636836bad4b971fcd6b6b

      SHA256

      047b042cebf4c851f0d14f85f16ce952f03e48c20362d4ed9390875d4900fe96

      SHA512

      72ac8b8c8f27264cc261297c325d14a0be2084d007c6132ab8402d87f912fe9189cb074db11625d9f86d29a6188f22a89e58ae45c9131fac4522473567017081

    • C:\Users\Admin\AppData\Roaming\ASystem\lib_0133d229c4e24006957c0e4ab3a52531\x86\turbojpeg.dll

      Filesize

      646KB

      MD5

      82898ed19da89d7d44e280a3ced95e9b

      SHA1

      eec0af5733c642eac8c5e08479f462d1ec1ed4db

      SHA256

      5f4b9f8360764d75c9faaecd94f6d200c54611b33064cd216e363d973dae7c29

      SHA512

      ee7b884ce7d7366ee28fb17721b6c89bd4eba8fb373cdbb483e26a4ed7a74ab5db847513c54704d753d77a7e18b1fb9fee90ed6bbc0540bff702273fda36b682

    • C:\Users\Admin\AppData\Roaming\Sys322.exe

      Filesize

      9KB

      MD5

      913967b216326e36a08010fb70f9dba3

      SHA1

      7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

      SHA256

      8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

      SHA512

      c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

    • C:\Windows\SysWOW64\WindowsInput.exe

      Filesize

      21KB

      MD5

      e6fcf516d8ed8d0d4427f86e08d0d435

      SHA1

      c7691731583ab7890086635cb7f3e4c22ca5e409

      SHA256

      8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

      SHA512

      c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

    • C:\Windows\SysWOW64\WindowsInput.exe.config

      Filesize

      357B

      MD5

      a2b76cea3a59fa9af5ea21ff68139c98

      SHA1

      35d76475e6a54c168f536e30206578babff58274

      SHA256

      f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

      SHA512

      b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

    • memory/540-24-0x00000000001F0000-0x00000000001FC000-memory.dmp

      Filesize

      48KB

    • memory/540-25-0x00007FFAAD270000-0x00007FFAADD31000-memory.dmp

      Filesize

      10.8MB

    • memory/540-26-0x00000000022A0000-0x00000000022B0000-memory.dmp

      Filesize

      64KB

    • memory/540-27-0x0000000002280000-0x0000000002292000-memory.dmp

      Filesize

      72KB

    • memory/540-28-0x00000000022F0000-0x000000000232C000-memory.dmp

      Filesize

      240KB

    • memory/540-32-0x00007FFAAD270000-0x00007FFAADD31000-memory.dmp

      Filesize

      10.8MB

    • memory/560-97-0x000000001A870000-0x000000001A880000-memory.dmp

      Filesize

      64KB

    • memory/560-96-0x00007FFAAD270000-0x00007FFAADD31000-memory.dmp

      Filesize

      10.8MB

    • memory/560-36-0x000000001B540000-0x000000001B64A000-memory.dmp

      Filesize

      1.0MB

    • memory/560-34-0x00007FFAAD270000-0x00007FFAADD31000-memory.dmp

      Filesize

      10.8MB

    • memory/560-35-0x000000001A870000-0x000000001A880000-memory.dmp

      Filesize

      64KB

    • memory/1212-82-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/1212-78-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/1212-77-0x00000000005F0000-0x00000000005F8000-memory.dmp

      Filesize

      32KB

    • memory/1608-0-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/1608-5-0x00000000057C0000-0x00000000057CE000-memory.dmp

      Filesize

      56KB

    • memory/1608-6-0x0000000005C60000-0x0000000005CBC000-memory.dmp

      Filesize

      368KB

    • memory/1608-7-0x0000000006270000-0x0000000006814000-memory.dmp

      Filesize

      5.6MB

    • memory/1608-8-0x0000000005DA0000-0x0000000005E32000-memory.dmp

      Filesize

      584KB

    • memory/1608-4-0x0000000005BF0000-0x0000000005C5E000-memory.dmp

      Filesize

      440KB

    • memory/1608-10-0x0000000006070000-0x0000000006092000-memory.dmp

      Filesize

      136KB

    • memory/1608-3-0x00000000059E0000-0x00000000059F0000-memory.dmp

      Filesize

      64KB

    • memory/1608-2-0x00000000052C0000-0x00000000052C1000-memory.dmp

      Filesize

      4KB

    • memory/1608-9-0x0000000005D90000-0x0000000005DA2000-memory.dmp

      Filesize

      72KB

    • memory/1608-52-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/1608-1-0x0000000000B10000-0x0000000000E68000-memory.dmp

      Filesize

      3.3MB

    • memory/3396-169-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-198-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-170-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-157-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-168-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-201-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-167-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-158-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-172-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-173-0x00007FFA89760000-0x00007FFA89770000-memory.dmp

      Filesize

      64KB

    • memory/3396-166-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-165-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-200-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-174-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-163-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-159-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-164-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-175-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-162-0x00007FFACBBF0000-0x00007FFACBDE5000-memory.dmp

      Filesize

      2.0MB

    • memory/3396-171-0x00007FFA89760000-0x00007FFA89770000-memory.dmp

      Filesize

      64KB

    • memory/3396-160-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/3396-199-0x00007FFA8BC70000-0x00007FFA8BC80000-memory.dmp

      Filesize

      64KB

    • memory/4144-100-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/4144-83-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/4340-60-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/4340-95-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/4340-85-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

      Filesize

      64KB

    • memory/4912-92-0x0000000009590000-0x00000000095DC000-memory.dmp

      Filesize

      304KB

    • memory/4912-153-0x00000000660C0000-0x000000006614F000-memory.dmp

      Filesize

      572KB

    • memory/4912-147-0x0000000006BC0000-0x0000000006BD6000-memory.dmp

      Filesize

      88KB

    • memory/4912-140-0x0000000006430000-0x000000000643C000-memory.dmp

      Filesize

      48KB

    • memory/4912-133-0x0000000006F50000-0x00000000070A4000-memory.dmp

      Filesize

      1.3MB

    • memory/4912-126-0x00000000064F0000-0x0000000006516000-memory.dmp

      Filesize

      152KB

    • memory/4912-119-0x0000000006B20000-0x0000000006B7A000-memory.dmp

      Filesize

      360KB

    • memory/4912-112-0x00000000064A0000-0x00000000064EA000-memory.dmp

      Filesize

      296KB

    • memory/4912-105-0x0000000006450000-0x0000000006494000-memory.dmp

      Filesize

      272KB

    • memory/4912-99-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/4912-98-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB

    • memory/4912-93-0x0000000009720000-0x000000000982A000-memory.dmp

      Filesize

      1.0MB

    • memory/4912-91-0x0000000009550000-0x000000000958C000-memory.dmp

      Filesize

      240KB

    • memory/4912-90-0x00000000094F0000-0x0000000009502000-memory.dmp

      Filesize

      72KB

    • memory/4912-89-0x0000000009AF0000-0x000000000A108000-memory.dmp

      Filesize

      6.1MB

    • memory/4912-88-0x0000000009460000-0x00000000094C6000-memory.dmp

      Filesize

      408KB

    • memory/4912-63-0x00000000066C0000-0x00000000066CA000-memory.dmp

      Filesize

      40KB

    • memory/4912-62-0x0000000005590000-0x00000000055A0000-memory.dmp

      Filesize

      64KB

    • memory/4912-61-0x0000000006000000-0x00000000061C2000-memory.dmp

      Filesize

      1.8MB

    • memory/4912-59-0x0000000005570000-0x0000000005588000-memory.dmp

      Filesize

      96KB

    • memory/4912-57-0x0000000005370000-0x00000000053BE000-memory.dmp

      Filesize

      312KB

    • memory/4912-56-0x0000000005160000-0x0000000005172000-memory.dmp

      Filesize

      72KB

    • memory/4912-55-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/4912-53-0x0000000074680000-0x0000000074E30000-memory.dmp

      Filesize

      7.7MB