Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/10/2026, 08:57
Behavioral task
behavioral1
Sample
2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe
- Size 6.1MB
- Sample261004-kwmslstgrd
- SHA256 0b412eddcd3896fa1cf8c0b12e29ff822ff4f0a0b9747cd93fa371d8b87f656b
- MD5 7b030296c1577f71f5abfa21f330b173
- SHA1 f87cafbe727904abf3ae1bb0555f561be3b47900
- SHA512 962078e6efe2026b7236b0bbfe2d2fd7e12c95de04f3198745151d36efb5b8389e60beb79661117f8341f2ed6eed2228dedf51e0dff2b10e86a4c09950eca4b8
- SSDEEP 49152:jDFDKatm6nyEKQ5E3ieGR0PEtBFUov1b89eX61L+2xmepn/TRijbqYW3qkCbDypS:vVLtmuq9Peq9+2xl/SSaynjo
- TLSH T1A1568D03F2F941E8E06BD2B8C6765722EE727C565B30A6CF024477252E77AD04B39762
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Fesber payload 13 IoCs
resource yara_rule behavioral2/files/0x000e000000016a66-4.dat family_fesber behavioral2/files/0x000d00000001c4c3-16.dat family_fesber behavioral2/memory/4976-557-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-992-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1277-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1278-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1279-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1280-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1281-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1283-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1285-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1287-0x0000000000400000-0x000000000041B000-memory.dmp family_fesber behavioral2/memory/4976-1288-0x0000000000400000-0x000000000041B000-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" tmp240707781.exe - Executes dropped EXE 2 IoCs
pid Process 4976 tmp240707781.exe 3036 tmp240708203.exe - Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\fsb.tmp tmp240707781.exe File created C:\Windows\SysWOW64\fsb.stb tmp240707781.exe File created C:\Windows\SysWOW64\fsb.tmp tmp240707781.exe -
resource yara_rule behavioral2/memory/5800-0-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/5800-12-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/files/0x000d00000001c4c3-16.dat upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jdk-1.8\bin\jps.exe- tmp240707781.exe File created C:\Program Files\Java\jre-1.8\bin\java.exe- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE- tmp240707781.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe- tmp240707781.exe File created C:\Program Files\Mozilla Firefox\private_browsing.exe- tmp240707781.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe- tmp240707781.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\pwahelper.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe- tmp240707781.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe tmp240707781.exe File created C:\Program Files\Java\jre-1.8\bin\ssvagent.exe tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe tmp240707781.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\Installer\setup.exe tmp240707781.exe File created C:\Program Files\Internet Explorer\ielowutil.exe- tmp240707781.exe File created C:\Program Files\Java\jre-1.8\bin\rmid.exe tmp240707781.exe File created C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\identity_helper.exe- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedge.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\MicrosoftEdgeUpdate.exe- tmp240707781.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevated_tracing_service.exe tmp240707781.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe tmp240707781.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{C3C6D623-688C-4921-9E67-4817E803CB11}\MicrosoftEdge_X64_139.0.3405.125.exe- tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\notification_helper.exe tmp240707781.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE tmp240707781.exe File created C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe- tmp240707781.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe tmp240707781.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe tmp240707781.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe- tmp240707781.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe- tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Client\AppVLP.exe tmp240707781.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe tmp240707781.exe File created C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe- tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\pwahelper.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateBroker.exe tmp240707781.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 tmp240707781.exe File created C:\Program Files\7-Zip\Uninstall.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe tmp240707781.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedge_proxy.exe tmp240707781.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe- tmp240707781.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe- tmp240707781.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname tmp240707781.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain tmp240707781.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 2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmp240707781.exe - Suspicious behavior: LoadsDriver 4 IoCs
pid 4 4 4 4 - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5800 wrote to memory of 4976 5800 2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe 89 PID 5800 wrote to memory of 3036 5800 2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-03_7b030296c1577f71f5abfa21f330b173_amadey_cobalt-strike_coinminer_elex_hijackloader_icedid_.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5800 -
C:\Users\Admin\AppData\Local\Temp\tmp240707781.exeC:\Users\Admin\AppData\Local\Temp\tmp240707781.exe2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:4976
-
-
C:\Users\Admin\AppData\Local\Temp\tmp240708203.exeC:\Users\Admin\AppData\Local\Temp\tmp240708203.exe2⤵
- Executes dropped EXE
PID:3036
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe-
- Size 6.1MB
- SHA256 0b412eddcd3896fa1cf8c0b12e29ff822ff4f0a0b9747cd93fa371d8b87f656b
- MD5 7b030296c1577f71f5abfa21f330b173
- SHA1 f87cafbe727904abf3ae1bb0555f561be3b47900
- SHA512 962078e6efe2026b7236b0bbfe2d2fd7e12c95de04f3198745151d36efb5b8389e60beb79661117f8341f2ed6eed2228dedf51e0dff2b10e86a4c09950eca4b8
- SSDEEP 49152:jDFDKatm6nyEKQ5E3ieGR0PEtBFUov1b89eX61L+2xmepn/TRijbqYW3qkCbDypS:vVLtmuq9Peq9+2xl/SSaynjo
- TLSH T1A1568D03F2F941E8E06BD2B8C6765722EE727C565B30A6CF024477252E77AD04B39762
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp240707781.exe
- Size 5.5MB
- SHA256 98802568ea406ef6b82fe63c0e40c2f5e8f71d9d7751c1fca686dda8e4619e2d
- MD5 37c3618fc27bfa903c30949ecba69006
- SHA1 fb25d8b9728fa2fd2e8a7944a848f94f8f3be001
- SHA512 59a04c33ece56cd20ab819870cd220c197b41092af19319898ff7a56610131dd97650caa7a98cd70963b4cfd02e9c6f11585621eb243f72b84b54d5b8e0b6b41
- SSDEEP 49152:BDFDKatm6nyEKQ5E3ieGR0PEtBFUov1b89eX61L+2xmepn/TRijbqYW3qkCbDypZ:RVLtmuq9Peq9+2xl/SSay
- TLSH T137468C03F2E941D8E06AD2B897764731EE72BC56AF30A6CF024477151EB7AD05B38762
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp240708203.exe
- Size 549KB
- SHA256 707f415d7d581edd9bce99a0429ad4629d3be0316c329e8b9ebd576f7ab50b71
- MD5 0b24892597dcb0257cdb78b5ed165218
- SHA1 5fe5d446406ff1e34d2fe3ee347769941636e323
- SHA512 24ea9e0f10a283e67850070976c81ae4b2d4d9bb92c6eb41b2557ad3ae02990287531a619cf57cd257011c6770d4c25dd19c3c0e46447eb4d0984d50d869e56f
- SSDEEP 6144:vXREiNYVLKZn56Vq2UjCpd0v5prE6v0GSxWUPZl1JP+1Lix7NGZIVuXQ82g4zrr8:vXZNYVLeyUji0h90ZD0wxpGZIVuKrHs
- TLSH T1C1C40916F6748335D073C0B9C5D2A68EE972308657308ACB4286D77C7E67BE6863A731
- MD5 SHA1 SHA512 SSDEEP TLSH