Analysis
- max time kernel
148s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 15:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe
Resource
win10v2004-20260513-en
15 signatures
150 seconds
General
- Target 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe
- Size 272KB
- Sample260813-sewcesseqf
- SHA256 a84f8cedba389592a8490e432320b0fe18887dd3d40d403fe6db27c6c5a5da32
- MD5 a0efbeb34c6ef6ff05cc435b23fbbd5e
- SHA1 8bdbfea5cf4680d3568d33375c280a496a004b77
- SHA512 4974911afdf97d942c17dbad6cb5892d42485e94e4656ba44656a395b5a3519c155ff3595b534553f158ba7661f786a676854bed870e007a92b73f5f632b05df
- SSDEEP 6144:AAgb/NziKmNn4R8p8cDNVBV+UdvrEFp7hKi:Z+cKe450VBjvrEH7p
- TLSH T1AC545A06F94A83E9D52911353C9AF7712AE0AC7D5F112AC7B394FB0E593E7C06A3134A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001b87d-1.dat floxif - UPX dump on OEP (original entry point) 3 IoCs
resource yara_rule behavioral2/files/0x000d00000001b87d-1.dat UPX behavioral2/memory/2496-4-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/2496-13-0x0000000010000000-0x0000000010030000-memory.dmp UPX - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000d00000001b87d-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 2496 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_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: 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe -
resource yara_rule behavioral2/files/0x000d00000001b87d-1.dat upx behavioral2/memory/2496-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2496-13-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe - Program crash 1 IoCs
pid pid_target Process procid_target 2616 2496 WerFault.exe 87 - System Location Discovery: System Language Discovery 1 TTPs 1 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 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe - Modifies registry class 18 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\ = "Dosa Document" 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\DefaultIcon 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.gib\ShellNew 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-0~1.EXE,1" 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\print 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\printto\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-0~1.EXE /pt \"%1\" \"%2\" \"%3\" \"%4\"" 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.gib 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.gib\ShellNew\NullFile 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\open\command 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-0~1.EXE \"%1\"" 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\printto\command 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\printto 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.gib\ = "Dosa.Document" 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\open 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\print\command 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dosa.Document\shell\print\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-0~1.EXE /p \"%1\"" 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2496 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe 2496 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2496 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2496 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe 2496 2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_a0efbeb34c6ef6ff05cc435b23fbbd5e_elex_floxif_wannacry.exe"1⤵
- 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 SetWindowsHookEx
PID:2496 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 13682⤵
- Program crash
PID:2616
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2496 -ip 24961⤵PID:5384
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