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Analysis
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max time kernel
106s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/09/2024, 12:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe
Resource
win7-20240903-en
General
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Target
2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe
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Size
2.5MB
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MD5
b872b3e1f11315bdf9f6e2793978fbf3
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SHA1
4543b7ca1606ca33293c2e7d630373fa75fa00bd
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SHA256
20c1d436d6cfec8e75827fae54fb992c2db829513b8a1d2386ccbbf18040e786
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SHA512
9f9bf93d7e6328dd4f74c2506b54976148d5b661cc3948a403e14d05e7c67940df9fe6c08b1393b2eb5ee2968fd588c73f5f3fd6304ddefcb9516b01ecad0b68
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SSDEEP
49152:tuIRKlofs2hPd2l177BTK2VbDsar1YDjG:tj/fs2hPIl1/d
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000900000002341f-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000900000002341f-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 788 2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe -
resource yara_rule behavioral2/files/0x000900000002341f-1.dat upx behavioral2/memory/788-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/788-13-0x0000000010000000-0x0000000010030000-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: 2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 4812 788 WerFault.exe 82 2864 788 WerFault.exe 82 4172 788 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 2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 788 2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe 788 2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 788 2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-11_b872b3e1f11315bdf9f6e2793978fbf3_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
PID:788 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 788 -s 9082⤵
- Program crash
PID:4812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 788 -s 8322⤵
- Program crash
PID:2864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 788 -s 9602⤵
- Program crash
PID:4172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 788 -ip 7881⤵PID:3032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 788 -ip 7881⤵PID:4520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 788 -ip 7881⤵PID:1220
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab