Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 15:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
19 signatures
150 seconds
General
- Target 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe
- Size 258KB
- Sample260527-sd6f1aaz71
- SHA256 4fa6fb59219dab94f8322a08956e5156c6f42d376f923fe2979a1300cf6a269c
- MD5 6818cd765aea9a4fc041dcd66aed1ccd
- SHA1 e65f0261aab6247d5369cc040df693f92434ff20
- SHA512 b2c4e9c7772e858b418e0d52aaf62a30e6f6b784d76a2dd42612197b30f0a93bdb1d8274a09f3044e423eaf4cb79ca0a655fd4184b4ef1cce170f7a3d4b03ac2
- SSDEEP 3072:GnR8T6hxqKAyQIrZBbSJUsQvVqRlkM4OAD/KLznBuB2JA2BjHNom:GnR8T6vq5YdsQvMRlkM4RD/qzMfUTD
- TLSH T18844BE023B51D3FED4100830305A974526E9FD3D066FA593F7423F6A2E3E2D69A69A1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe - Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe - Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x001f00000002b2a8-2.dat floxif - UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/files/0x001f00000002b2a8-2.dat UPX behavioral2/memory/4784-5-0x0000000010000000-0x0000000010033000-memory.dmp UPX behavioral2/memory/4784-18-0x0000000010000000-0x0000000010033000-memory.dmp UPX behavioral2/memory/4784-20-0x0000000010000000-0x0000000010033000-memory.dmp UPX behavioral2/memory/4784-24-0x0000000010000000-0x0000000010033000-memory.dmp UPX - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x001f00000002b2a8-2.dat acprotect - Executes dropped EXE 2 IoCs
pid Process 2484 tkumo.sys 2912 lnacl.sys - Loads dropped DLL 1 IoCs
pid Process 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe -
pid Process 2092 arp.exe 2704 arp.exe 2416 arp.exe 2180 arp.exe 1800 arp.exe 2384 arp.exe 4852 arp.exe 3504 arp.exe -
resource yara_rule behavioral2/files/0x001f00000002b2a8-2.dat upx behavioral2/memory/4784-5-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/4784-18-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/4784-20-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/4784-24-0x0000000010000000-0x0000000010033000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 10 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 arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000_Classes\Local Settings 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe Key created \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe Key created \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe Set value (data) \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe Set value (data) \REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe - Suspicious behavior: LoadsDriver 2 IoCs
pid Process 664 Process not Found 664 Process not Found - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4784 wrote to memory of 2704 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 80 PID 4784 wrote to memory of 2416 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 82 PID 4784 wrote to memory of 2092 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 83 PID 4784 wrote to memory of 3504 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 84 PID 4784 wrote to memory of 4852 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 85 PID 4784 wrote to memory of 2384 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 86 PID 4784 wrote to memory of 2180 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 87 PID 4784 wrote to memory of 1800 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 88 PID 4784 wrote to memory of 3144 4784 2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-27_6818cd765aea9a4fc041dcd66aed1ccd_amadey_elex_floxif_redline-stealer_rhadamanthys_smoke-loader_stop.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visibility of hidden/system files in Explorer
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\arp.exearp -a2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2704
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C:\Windows\SysWOW64\arp.exearp -s 10.127.0.1 25-21-60-c6-12-ab2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2416
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C:\Windows\SysWOW64\arp.exearp -s 10.127.255.255 83-af-2c-00-ee-722⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2092
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.22 51-a8-c1-8c-7c-9d2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3504
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.251 bf-0e-6d-a7-54-6a2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4852
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.252 d2-20-5b-f4-02-a22⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2384
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C:\Windows\SysWOW64\arp.exearp -s 239.255.255.250 97-ce-95-53-9c-e62⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2180
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C:\Windows\SysWOW64\arp.exearp -s 255.255.255.255 b2-02-c1-c9-9b-902⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1800
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C:\Windows\SysWOW64\arp.exearp -d2⤵
- System Location Discovery: System Language Discovery
PID:3144
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2828
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C:\Users\Admin\AppData\Local\Temp\tkumo.sysC:\Users\Admin\AppData\Local\Temp\tkumo.sys1⤵
- Executes dropped EXE
PID:2484
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C:\Users\Admin\AppData\Local\Temp\lnacl.sysC:\Users\Admin\AppData\Local\Temp\lnacl.sys1⤵
- Executes dropped EXE
PID:2912
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\Common Files\System\symsrv.dll
- Size 71KB
- SHA256 8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d
- MD5 4fcd7574537cebec8e75b4e646996643
- SHA1 efa59bb9050fb656b90d5d40c942fb2a304f2a8b
- SHA512 7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e
- SSDEEP 1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEP:5dbwovEVyqgoZmZXWfIdQdRaefPq
- TLSH T1D173E0B72DFC4865E1A12277865F4319EA31D4778110E86BC9080BC9CDBA9E0E7536BE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\249AE8812B0.tmp
- Size 178KB
- SHA256 cf8558adfabee766f9807fc6c197b74683fb7d8986d16fdceed286eb30ba9843
- MD5 8bac3a747f3f1b39bba3448ab59e3b84
- SHA1 952219e5dcb5d9ba3e17d47792341341748d9bd3
- SHA512 dfedeaf643c07b519ef88be11576487924a30f3ff43a2299327bb933c2b7c861e63853980bc6f70590a17df16137525cc1678b840b9e1f1408f70aab8ae3368d
- SSDEEP 1536:YrNR9ieUOc+/RAhDcaPLXbbsAyQIrZBQlgSJ0T:GNR8Y6hDaAyQIrZBbSJ
- TLSH T1C3046C137B42D032D42048710856C7966B6DFD221A7AE99373963F7F2E323D1AF2A746
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tkumo.sys
- Size 3KB
- SHA256 de4220178a3392a6e62a2361b06c49d44d5e75ab22d6b156d35978495710f181
- MD5 2507e7b0224ba7725946f0f162ed5fdb
- SHA1 8e730592cadc15e3e090a75db00148871059fd10
- SHA512 1a7ff89e1c2fa65648fe4756827678c02ae6e1f5c8f8c9f7fb77ff23c4d95048cf055fc8fc05c3522c68448eef1ea8ab27223219de0f58aa6dfaad019250a7d4
- TLSH T1B061A8079F4BC072CDBD08FC28EB1625FA3848950338ABC3499591D9BD023E1393829F
- MD5 SHA1 SHA512 TLSH