Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 04:48
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe
Resource
win11ltsc2024-20260709-en
General
- Target 2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe
- Size 8.4MB
- Sample260809-ffa2natyct
- SHA256 4044b3afdf41d8f54de25f64a6338d113665e1fbe1e9c7175dcc07176cf81df9
- MD5 e4c8b60ec2a299d562d8aaa2bcc93f76
- SHA1 758d5b532fb6dd6c478a5ef3b24772090b249386
- SHA512 b323e7b4ac9a66012706b15f6d2a329c7a0f16203cbbcffbd1b59af7c8bf33bae301e41b9895e38bf3d98a60bf853fe71b5ae3a01f2ea41dcd78d2806f651404
- SSDEEP 196608:65HFfX9c8ZbKhTg6KrVaZEMHO2anAGTZQNRZqHo1MtpnjcjDuWFtgkBnx3M:65HYUbK2rAEKO2arQfoHo6tNSuWbBndM
- TLSH T15E9633E0FB1A17FDD1B156707440AB2562D0CE6E871B46C7A7E63B43AD6C1C28930BDA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x001100000001b303-1.dat floxif - UPX dump on OEP (original entry point) 12 IoCs
resource yara_rule behavioral2/files/0x001100000001b303-1.dat UPX behavioral2/memory/6080-4-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/files/0x000c00000001c58b-47.dat UPX behavioral2/memory/4148-54-0x0000000000310000-0x0000000000986000-memory.dmp UPX behavioral2/memory/4148-56-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/files/0x000a000000000441-61.dat UPX behavioral2/memory/6080-68-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/4148-69-0x0000000000310000-0x0000000000986000-memory.dmp UPX behavioral2/memory/4148-73-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/4148-75-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/4148-82-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/4148-87-0x0000000010000000-0x0000000010030000-memory.dmp UPX - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x001100000001b303-1.dat acprotect - Executes dropped EXE 1 IoCs
pid Process 4148 ResourceHacker.exe - Loads dropped DLL 4 IoCs
pid Process 6080 2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe 4148 ResourceHacker.exe 4148 ResourceHacker.exe 4148 ResourceHacker.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: ResourceHacker.exe -
resource yara_rule behavioral2/files/0x001100000001b303-1.dat upx behavioral2/memory/6080-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/files/0x000c00000001c58b-47.dat upx behavioral2/memory/4148-54-0x0000000000310000-0x0000000000986000-memory.dmp upx behavioral2/memory/4148-56-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/files/0x000a000000000441-61.dat upx behavioral2/memory/6080-68-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4148-69-0x0000000000310000-0x0000000000986000-memory.dmp upx behavioral2/memory/4148-73-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4148-75-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4148-82-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4148-87-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe File created \??\c:\progra~1\common~1\system\symsrv.dll.000 ResourceHacker.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 2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ResourceHacker.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4148 ResourceHacker.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4148 ResourceHacker.exe 4148 ResourceHacker.exe 4148 ResourceHacker.exe 4148 ResourceHacker.exe 4148 ResourceHacker.exe 4148 ResourceHacker.exe 4148 ResourceHacker.exe 4148 ResourceHacker.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 6080 2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe Token: SeDebugPrivilege 4148 ResourceHacker.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6080 wrote to memory of 4148 6080 2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_e4c8b60ec2a299d562d8aaa2bcc93f76_driverpack_elex_floxif_wannacry.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6080 -
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ResourceHacker.exe"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ResourceHacker.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4148
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\PROGRA~1\COMMON~1\System\symsrv.dll.000
- Size 114B
- SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
- MD5 e609411db8aa6775d0344c75c23ae79b
- SHA1 1d2ff6194bf159ce36cd0461cd3da29486d1e97d
- SHA512 6884ff5c07bc687132c965a59cb8c5a898a25da74c6c846c1d6089ddca8007cb7e4d2f8520bdce9fbcf6e2f9c9e5c28d8c8d6d049d3522470bdc7d38bbfa0ad0
- TLSH T1FFB09262AA2791EAE1AA224505A0248C1ED0B62AB48638002EBA5A4E93256A85916147
- MD5 SHA1 SHA512 TLSH
- 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:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ResourceHacker.exe
- Size 1.8MB
- SHA256 0ed9b5c6446cd1e82fe32632634874de7b98ac575d45c545eb0aed7b28f65188
- MD5 8364a54cd161ef8bed3dff75f4bd3121
- SHA1 e3800874fb9bdd6eda4e2ca99e0c3feac2681416
- SHA512 6fb3bf30ca146e8e93565ec18b70bf6648671b4b06dda5c4597facf047090560af09d7c5b694b391844cb956dbe8a69576f58efccece2c0ce15df8564b490520
- SSDEEP 24576:msQvCd9GLt05GaBmU74vOwEqySkM/qpWEKvVGFyEumuEi9tRSuEMUt5GTJl0s:msFGOmzvOrqya/pEFFumuhnRSuEBt5
- TLSH T114953394DACC1C83C663BAB9CDAFD472131AAD30F6A64B9374DE3C0BB57E805A510791
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ResourceHacker.exe.tmp
- Size 1.9MB
- SHA256 af25c3342ea59a4fe4152156851bec9cfba3bfec7f50e3b23644219d81919875
- MD5 4b2d28671d40df63d11e717a8e04b65a
- SHA1 8825a26252c195ba284956f7a474ee1affdf0557
- SHA512 6d14da74272a2fcc0c6751f29aa2df529029972a53d908728df9a45e84c70e158a1e2798f03529a7d3b6b21c1fdec8d754fb25ef38aa251ef132912d1a61e044
- SSDEEP 24576:csQvCd9GLt05GaBmU74v+wEqySkM/qpWEKvVGFyEumuEi9tRSuEMUt5GTNl0surY:csFGOmzv+rqya/pEFFumuhnRSuEBt5S
- TLSH T17E953380A68C1BDBC5237A74B9AFE47212D59C3CF6EB0793B5DA3C0BB57D806A540706
- MD5 SHA1 SHA512 SSDEEP TLSH