Analysis
- max time kernel
123s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 14:08
Behavioral task
behavioral1
Sample
2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe
- Size 957KB
- Sample260803-rfqynasvgx
- SHA256 6846e806b74fbedca359e22d2617fb310f56507ae7682c033f9a79940ba0ebbf
- MD5 b1dcde6f75243c663879ef1bb5836cfa
- SHA1 44bd2691e9a0825858b0ad12f425a94ec3076453
- SHA512 a11668358e90456ea2a8f699e0ccb42395862a0cb734aa5efb7227de3aef2c3bfd9cb236e7ba3bceedd3ddb8ddcc475238d2eba77ac292d2188792672405b132
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXidoEQN:A3k03kB56rw
- TLSH T1A5257B13E6850FA5D00FC1749A958662EA777C025F6093DF2358AE153F72BC06B3E29B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 8 IoCs
resource yara_rule behavioral2/memory/4684-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000c00000001c541-5.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b32b-11.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4684-15-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3656-16-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000200000001b330-41.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x0003000000019994-507.dat INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000b000000019cf4-1023.dat INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000c00000001c541-5.dat aspack_v212_v242 behavioral2/files/0x000200000001b32b-11.dat aspack_v212_v242 behavioral2/files/0x000200000001b330-41.dat aspack_v212_v242 behavioral2/files/0x0003000000019994-507.dat aspack_v212_v242 behavioral2/files/0x000b000000019cf4-1023.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3656 patcher.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinFirewall = "C:\\905c0769f9a06c95a24ddf945\\patcher.exe" patcher.exe - Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Windows\:\autorun.inf patcher.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Windows Media Player\wmpnscfg.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmadminicon.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_pwa_launcher.exe$ patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe$ 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe patcher.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE$ 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files\Microsoft Office\root\Office16\msotd.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe patcher.exe File opened for modification C:\Program Files (x86)\Internet Explorer\iexplore.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateCore.exe patcher.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{442E2BAB-89E2-4A69-94D2-35EFF397FE54}\MicrosoftEdge_X64_139.0.3405.125.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe patcher.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Windows Media Player\wmpconfig.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedgewebview2.exe$ patcher.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe$ patcher.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe patcher.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_pwa_launcher.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge.exe patcher.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe$ 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe patcher.exe File created C:\Program Files\Microsoft Office\root\Office16\msoia.exe patcher.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\notification_helper.exe$ patcher.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files\Java\jdk-1.8\bin\jinfo.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe patcher.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\outicon.exe$ patcher.exe File created C:\Program Files\Mozilla Firefox\firefox.exe patcher.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe$ 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevation_service.exe patcher.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge.exe$ patcher.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$ patcher.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pubs.exe$ 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\wordicon.exe 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\:\autorun.inf patcher.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language patcher.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\:\autorun.inf 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe File opened for modification C:\Windows\:\autorun.inf patcher.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4684 2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe 3656 patcher.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe"1⤵
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
PID:4684
-
C:\905c0769f9a06c95a24ddf945\patcher.exeC:\905c0769f9a06c95a24ddf945\patcher.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of SetWindowsHookEx
PID:3656
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\905c0769f9a06c95a24ddf945\patcher.exe
- Size 957KB
- SHA256 6846e806b74fbedca359e22d2617fb310f56507ae7682c033f9a79940ba0ebbf
- MD5 b1dcde6f75243c663879ef1bb5836cfa
- SHA1 44bd2691e9a0825858b0ad12f425a94ec3076453
- SHA512 a11668358e90456ea2a8f699e0ccb42395862a0cb734aa5efb7227de3aef2c3bfd9cb236e7ba3bceedd3ddb8ddcc475238d2eba77ac292d2188792672405b132
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXidoEQN:A3k03kB56rw
- TLSH T1A5257B13E6850FA5D00FC1749A958662EA777C025F6093DF2358AE153F72BC06B3E29B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe$
- Size 1.5MB
- SHA256 50341df2568f1bad5fafd656ebbd3d473fc58169081672cc28d760b3fb526aa4
- MD5 cb2281632e04b7b70d0a0c05498591fe
- SHA1 9940d34b2875cb9217a39b660c2858746cf1e1a8
- SHA512 709e6ba82d6c97a5b32adea3089b6cd693fca4e074028c280b638b85803503021162537620c8c095195ce4029990f6940c5a1e4c3a1204e0c2db3a56f917b1bf
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXidoEQZ0Le5ji0hmxNrM:A3k03kB56rIPji0Aj
- TLSH T1D4656B16F6A44BA5D02FC074C5D2966AEA733C425F3087CB1354DE283F67BD19A3A362
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\Uninstall.exe
- Size 971KB
- SHA256 efc93d4127baed4207c768500192f566649e291ae269a986e0888c4dc309efb8
- MD5 078727cac185fd3fdaaebeed7363c186
- SHA1 b597dc5b56561b0366b8684757da0f314933cf38
- SHA512 eaf4b9a5dc83aebacf828e8a9caa2807b43df7c6a97b629846b582314f13ee40f163da8e50d7308a1bec3c85a21be27f9a1a1ad4424d467cf1c758b7573842ea
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXidoEQLa:A3k03kB56r
- TLSH T1D1257B13E6840FA5D10F81749A964662EA777C025F6093DF2358AE153F72BC06B3E39B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe
- Size 980KB
- SHA256 89306da0391f50e28d6a2e1103a22749478bdbc30d4c7c3667efcaec7d089111
- MD5 223681ba55f43fa2f84baaa6cabe26f9
- SHA1 9d164c8d5d51acffe3c51b98eeb3ec3a0fbe0a93
- SHA512 3544ed7f469a0b348ffbb3f27c603b78cf4cd303b8dc4f0a515f8df9126982dbe45a149d1982ad0a56ac7dcae7fb8bd48b175b6f2a90237c75dec44701c544c5
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXidoEQXj:A3k03kB56rM
- TLSH T1E5257B03E6850FA5D00F81749A954662EA777C025F6093DF2358AE113F72BC06B3E3AB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE$
- Size 1001KB
- SHA256 6dcc830917e32924fcdb7b9f968c32ac783b1a298ae71f757e8c1c648f4e5256
- MD5 3ec93aa9dca63fb2be9699ae57525960
- SHA1 630d48800cb22cb3ac1249bbb6d98fb6363d5e75
- SHA512 3044208db27e3de26e470aa2178f60b84e0b5171108afafb2e0dabdb971ba47736b349e86000600375a33b4703d2801a64a1711f9b8e9b5e498e254b75dc2b98
- SSDEEP 24576:A3mnXoZ643mnXoZ6iLa5D5TvinrmdocjPXidoEQUwE:A3k03kB56r9
- TLSH T1C7257B13E6940FA5D00F81709A958662EA777C425F6093DF2358EE153F72BC06B3E29B
- MD5 SHA1 SHA512 SSDEEP TLSH