Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/08/2026, 01:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe
Resource
win10v2004-20260513-en
16 signatures
150 seconds
General
- Target 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe
- Size 317KB
- Sample260817-cctstaha47
- SHA256 972877dbedd30f571e0ca55bf85a0332dd0b086e5259a11780f131c471971bd4
- MD5 afa9a43f31d0619315b311cf49337c08
- SHA1 b915167a064a6d67c50af6f10a2234d834f8b0b6
- SHA512 bfec0d416571a13c7e2f296d5fd63c72b0ae0b811f5ab1270b5f408064b8a90571a284d54cc79e26facb3c8cf7b4dd95bc3dc605fb120721a7a16df801ddcc57
- SSDEEP 6144:eCqgOTSsTQ3u+F/cgnMBpJuSzE7hvHmw4QmRW9BV+UdvrEFp7hKa:FKTSsTEFU9uSzE7hvGvCBjvrEH75
- TLSH T147649E1B57578FF8D08128BE3A16E69945E1573C062A0283A5BA3D49DB2DF7F0C6C2C7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x00130000000118e9-1.dat floxif - UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral2/memory/1500-3-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/files/0x00130000000118e9-1.dat UPX behavioral2/memory/4136-11-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/4136-34-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/1500-33-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/1500-40-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/1500-44-0x0000000010000000-0x0000000010030000-memory.dmp UPX - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00130000000118e9-1.dat acprotect - Executes dropped EXE 1 IoCs
pid Process 5072 WindowexeRegToBat.exe - Loads dropped DLL 2 IoCs
pid Process 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 4136 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.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) \??\d: 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe -
resource yara_rule behavioral2/memory/1500-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/files/0x00130000000118e9-1.dat upx behavioral2/memory/4136-11-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4136-34-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1500-33-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1500-40-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1500-44-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 4136 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 4136 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe Token: SeDebugPrivilege 4136 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1500 wrote to memory of 4136 1500 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 89 PID 4136 wrote to memory of 5072 4136 2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_afa9a43f31d0619315b311cf49337c08_elex_floxif_wannacry.exe" -sfxwaitall:0 "WindowexeRegToBat.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\WindowexeRegToBat.exe"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\WindowexeRegToBat.exe"3⤵
- Executes dropped EXE
PID:5072
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\System\symsrv.dll
- Size 67KB
- SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
- MD5 7574cf2c64f35161ab1292e2f532aabf
- SHA1 14ba3fa927a06224dfe587014299e834def4644f
- SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
- SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
- TLSH T17863F1372AB5807DDD210D37949F835AB771E5A76C20643FC25907D988B8DD0E3239AE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Common Files\System\symsrv.dll.000
- Size 114B
- SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
- MD5 e609411db8aa6775d0344c75c23ae79b
- SHA1 1d2ff6194bf159ce36cd0461cd3da29486d1e97d
- SHA512 6884ff5c07bc687132c965a59cb8c5a898a25da74c6c846c1d6089ddca8007cb7e4d2f8520bdce9fbcf6e2f9c9e5c28d8c8d6d049d3522470bdc7d38bbfa0ad0
- TLSH T1FFB09262AA2791EAE1AA224505A0248C1ED0B62AB48638002EBA5A4E93256A85916147
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\WindowexeRegToBat.exe
- Size 265KB
- SHA256 995c7c9ac08c5c5a4b566051f3c244daf1442e1f811a42ed1ed7352a04f3e753
- MD5 34be141a55e80a10752150fe98aab7d7
- SHA1 95dfba4566c9afbf3ebe878bcecdf4738300475d
- SHA512 cd12d225ab497c64c1f224da813e29a6497c89bc75cd49a2d67b99a38f1c78e73e8b4a31a104847fac532c75142421613e31c5dfd3711ec4a221029f55396987
- SSDEEP 3072:OuIaxuzE7hvSsssssssssssssssssssssssssssssssssssss1678W8uFIlw9yEv:OuczE7hvH3YiC9cmuSzE7hvH
- TLSH T1CE44D72F8B6B8D44D4456DFF1E27E68946A027500622934398FA7D9AD726F3F0C6C6C3
- MD5 SHA1 SHA512 SSDEEP TLSH