Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 17:23
Behavioral task
behavioral1
Sample
2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe
- Size 3.4MB
- Sample260730-vyf3ystare
- SHA256 34d7498df7a9e47aad575fb81852168416b3dfcadd3d39e80f25dba9048038d6
- MD5 84ad9b3fd021090517cdd7af0c1304ac
- SHA1 b49083eeb6a4f18d798f427dc14b9d95f25d4a19
- SHA512 7fc5dc41f3333515d22907020e4f2ec7d81e9f65467a933f9a43faa1b51e32e8d2eb2f527945f80669dbbd7d58fac7c96ab4d2d2d187711564d7f6acebbad39b
- SSDEEP 49152:7DFDKatmQ3NCLT4Pji0AjBgjI45TMwwapIgTZPji0Aj:nVLtmECOjozLapIYjo
- TLSH T10DF53922B2F10565C06AC075CF829625D7F13C698BF0C7EB6245B2D92F736D07A3A726
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Fesber payload 11 IoCs
resource yara_rule behavioral2/files/0x000600000001b867-4.dat family_fesber behavioral2/files/0x000d00000001c43e-17.dat family_fesber behavioral2/memory/2404-559-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-945-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-1277-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-1278-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-1279-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-1280-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-1283-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-1287-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/2404-1288-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe fsb.exe" tmp240725953.exe - Executes dropped EXE 2 IoCs
pid Process 2404 tmp240725953.exe 2032 tmp240726015.exe - Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\fsb.stb tmp240725953.exe File created C:\Windows\SysWOW64\fsb.tmp tmp240725953.exe File opened for modification C:\Windows\SysWOW64\fsb.tmp tmp240725953.exe -
resource yara_rule behavioral2/memory/4292-0-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/4292-12-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/files/0x000d00000001c43e-17.dat upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_122734\javaws.exe tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\139.0.3405.125\MicrosoftEdge_X64_139.0.3405.125.exe tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge.exe tmp240725953.exe File created C:\Program Files\Internet Explorer\iexplore.exe tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe- tmp240725953.exe File created C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe- tmp240725953.exe File created C:\Program Files (x86)\Internet Explorer\ielowutil.exe tmp240725953.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeComRegisterShellARM64.exe- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\identity_helper.exe- tmp240725953.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe- tmp240725953.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe- tmp240725953.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\bin\serialver.exe- tmp240725953.exe File created C:\Program Files\Java\jre-1.8\bin\klist.exe tmp240725953.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE tmp240725953.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE- tmp240725953.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe- tmp240725953.exe File created C:\Program Files\Java\jre-1.8\bin\orbd.exe- tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE tmp240725953.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\pwahelper.exe tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\elevation_service.exe- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.exe tmp240725953.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe- tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\bin\unpack200.exe- tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\msoasb.exe- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_pwa_launcher.exe- tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\bin\jps.exe tmp240725953.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe tmp240725953.exe File created C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMHelper.exe tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\pwahelper.exe- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\MicrosoftEdgeUpdate.exe tmp240725953.exe File created C:\Program Files\Java\jre-1.8\bin\javacpl.exe tmp240725953.exe File created C:\Program Files\Java\jre-1.8\bin\ktab.exe tmp240725953.exe File created C:\Program Files\Java\jre-1.8\bin\tnameserv.exe tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge.exe- tmp240725953.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe tmp240725953.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe tmp240725953.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfo32.exe tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\BHO\ie_to_edge_stub.exe tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe- tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateOnDemand.exe tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\misc.exe- tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE tmp240725953.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe tmp240725953.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateSetup.exe- tmp240725953.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{9A8DEEB6-1F0A-4CF4-BD83-A8EC662094A8}\MicrosoftEdge_X64_139.0.3405.125.exe- tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe- tmp240725953.exe File created C:\Program Files\Java\jre-1.8\bin\ktab.exe- tmp240725953.exe File created C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE tmp240725953.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE tmp240725953.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe tmp240725953.exe File created C:\Program Files\Mozilla Firefox\plugin-container.exe tmp240725953.exe File created C:\Program Files\Mozilla Firefox\updater.exe tmp240725953.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe tmp240725953.exe File created C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe- tmp240725953.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 2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmp240725953.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid 4 - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4292 wrote to memory of 2404 4292 2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe 88 PID 4292 wrote to memory of 2032 4292 2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_84ad9b3fd021090517cdd7af0c1304ac_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_luca-stealer_njrat_vidar.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Users\Admin\AppData\Local\Temp\tmp240725953.exeC:\Users\Admin\AppData\Local\Temp\tmp240725953.exe2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2404
-
-
C:\Users\Admin\AppData\Local\Temp\tmp240726015.exeC:\Users\Admin\AppData\Local\Temp\tmp240726015.exe2⤵
- Executes dropped EXE
PID:2032
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe-
- Size 3.4MB
- SHA256 34d7498df7a9e47aad575fb81852168416b3dfcadd3d39e80f25dba9048038d6
- MD5 84ad9b3fd021090517cdd7af0c1304ac
- SHA1 b49083eeb6a4f18d798f427dc14b9d95f25d4a19
- SHA512 7fc5dc41f3333515d22907020e4f2ec7d81e9f65467a933f9a43faa1b51e32e8d2eb2f527945f80669dbbd7d58fac7c96ab4d2d2d187711564d7f6acebbad39b
- SSDEEP 49152:7DFDKatmQ3NCLT4Pji0AjBgjI45TMwwapIgTZPji0Aj:nVLtmECOjozLapIYjo
- TLSH T10DF53922B2F10565C06AC075CF829625D7F13C698BF0C7EB6245B2D92F736D07A3A726
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp240725953.exe
- Size 2.9MB
- SHA256 020eec40b0b548822ca92a7323964d93d70480287b79f66d1692d541ecb10563
- MD5 f10ee97c523a29d9afbccd7bd470d28c
- SHA1 931ca95cde148044e1e4c7f3b1b37603ae6d4380
- SHA512 e150bed3457f1de4d348cf740347aba6fd903d80ad7fb295277f2b444a36e9b4c07394888cfa0e25054160f85072b028e885f68bacbf9ef7b95b24b72e3fa08b
- SSDEEP 49152:BDFDKatmQ3NCLT4Pji0AjBgjI45TMwwapIgT:RVLtmECOjozLapI
- TLSH T114D53922B2E105A5C59AC075CF428625D7E13C698FF0C3EBB24572D92F736D07A3A71A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp240726015.exe
- Size 549KB
- SHA256 707f415d7d581edd9bce99a0429ad4629d3be0316c329e8b9ebd576f7ab50b71
- MD5 0b24892597dcb0257cdb78b5ed165218
- SHA1 5fe5d446406ff1e34d2fe3ee347769941636e323
- SHA512 24ea9e0f10a283e67850070976c81ae4b2d4d9bb92c6eb41b2557ad3ae02990287531a619cf57cd257011c6770d4c25dd19c3c0e46447eb4d0984d50d869e56f
- SSDEEP 6144:vXREiNYVLKZn56Vq2UjCpd0v5prE6v0GSxWUPZl1JP+1Lix7NGZIVuXQ82g4zrr8:vXZNYVLeyUji0h90ZD0wxpGZIVuKrHs
- TLSH T1C1C40916F6748335D073C0B9C5D2A68EE972308657308ACB4286D77C7E67BE6863A731
- MD5 SHA1 SHA512 SSDEEP TLSH