Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/05/2026, 01:46
Static task
static1
Behavioral task
behavioral1
Sample
2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe
Resource
win11-20260513-en
General
- Target 2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe
- Size 385KB
- Sample260522-b63gdaez7v
- SHA256 b84d368398f330ced08924699e4319e5c0d876d5fec471e16304c4bf6af46d0c
- MD5 9e6e1a78dc20a730242a0086407418cd
- SHA1 cf83effe7f0cdc67f9d122334298805b36333652
- SHA512 f8ab0b57a9dc87dfd9868b83e09373d5e9691ca3c97275c140d2007d66a2bc185690aaf99240f2fefab71d183b76f0d0c9d4b03d4f0f31122daa16f2d25e72ce
- SSDEEP 6144:KwEb3qLrENpxyN90QEkpxyN90QEiVM/M6BV+UdvrEFp7hKpCP:Kwcqf+y90ey90mM/M6BjvrEH7iCP
- TLSH T1FB84DF023380C3FAC8AF077474DA9B524BF5B83D375B818767616B2A2D3D7518A2671B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x002400000002b367-1.dat floxif - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/files/0x002400000002b367-1.dat UPX behavioral2/memory/5040-4-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/4540-9-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/5040-10-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/4540-12-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/5040-15-0x0000000010000000-0x0000000010030000-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/0x002400000002b367-1.dat acprotect - Loads dropped DLL 2 IoCs
pid Process 5040 2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe 4540 msiexec.exe - Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 4540 msiexec.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: msiexec.exe -
resource yara_rule behavioral2/files/0x002400000002b367-1.dat upx behavioral2/memory/5040-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4540-9-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/5040-10-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4540-12-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/5040-15-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.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 2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4540 msiexec.exe 4540 msiexec.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5040 2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe Token: SeDebugPrivilege 4540 msiexec.exe Token: SeShutdownPrivilege 4540 msiexec.exe Token: SeIncreaseQuotaPrivilege 4540 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4540 msiexec.exe 4540 msiexec.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5040 wrote to memory of 4540 5040 2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_9e6e1a78dc20a730242a0086407418cd_elex_floxif_manuscrypt_rhadamanthys_stealc_stop.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:5040 -
C:\Windows\SysWOW64\msiexec.exemsiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\MSI\Setup.msi"2⤵
- Loads dropped DLL
- Badlisted process makes network request
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4540
-
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