Analysis
- max time kernel
135s - max time network
105s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
16/08/2024, 18:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe
Resource
win7-20240708-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe
Resource
win10v2004-20240802-en
13 signatures
150 seconds
General
- Target 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe
- Size 3.9MB
- Sample240816-w6f9cstbpm
- SHA256 211aa3b521e8d4a5eb1148c7c47752e002ddfe364aba3472606a7704634aaf9b
- MD5 6324f5821646d4f77e0074d7f84e1a64
- SHA1 2edc2ff51efdcebbf1bb2d9d471224f155b1e724
- SHA512 e93e613ce31121f3dcfab61d87799fa35fb8127d6869ea8a628a3ef49dd86978426bcde02e2181b213ed0b588441d5af353da5713306696ef4c2912690c191f7
- SSDEEP 98304:1g+ESjoa9kZ6DRwcEtzCyQWvKglLgeQ/Pn9rj+De0nzQUyk:1g+ESJ9k6bOvTgRn9rj+DoUb
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000900000002342e-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/0x000900000002342e-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 1728 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe -
resource yara_rule behavioral2/files/0x000900000002342e-1.dat upx behavioral2/memory/1728-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1728-13-0x0000000010000000-0x0000000010030000-memory.dmp upx - 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: 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1728 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe 1728 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1728 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1728 2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-16_6324f5821646d4f77e0074d7f84e1a64_floxif_mafia.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 SetWindowsHookEx
PID:1728
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