Analysis
- max time kernel
93s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
02/09/2024, 13:50
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe
Resource
win7-20240705-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe
Resource
win10v2004-20240802-en
13 signatures
150 seconds
General
- Target 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe
- Size 6.3MB
- Sample240902-q5jefa1glm
- SHA256 d71289765d372ed0da256a9aa9bc60a9fa8785e04ae55f67ad3fc21aadccd987
- MD5 7c2b1e142d377bc5b9a021ec4e5b09b4
- SHA1 9429bb84284296af48ddcfe0d99e741fdd1b7824
- SHA512 537fa5262de408e81042217c61496ff6e8c3ebe13c0ada645210d7013a83901eb2037f396ccb964fb1577e412fea6cef69747e63680c0b4b47844317a836372a
- SSDEEP 196608:7DXbNaDd/MmCp3XHUPXBs72S3CKCXCv2a/Am:7DXha5/MmCpH0PXOR39Uk20/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000900000002344c-1.dat floxif - 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/0x000900000002344c-1.dat acprotect - Loads dropped DLL 3 IoCs
pid Process 4880 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe 852 WerFault.exe 348 WerFault.exe -
resource yara_rule behavioral2/files/0x000900000002344c-1.dat upx behavioral2/memory/4880-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4880-13-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe - Program crash 1 IoCs
pid pid_target Process procid_target 348 4880 WerFault.exe 82 - 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 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe - Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\ProcessorNameString 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4880 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe 4880 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4880 2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-02_7c2b1e142d377bc5b9a021ec4e5b09b4_floxif_mafia.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 11802⤵
- Loads dropped DLL
- Program crash
PID:348
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4880 -ip 48801⤵
- Loads dropped DLL
PID:852
Network
MITRE ATT&CK Enterprise v15
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
- MD5 SHA1 SHA512 SSDEEP