Analysis
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max time kernel
96s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 18:37
Static task
static1
Behavioral task
behavioral1
Sample
20240909092cda38995e2d211a31dccace662721floxifmafia.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
20240909092cda38995e2d211a31dccace662721floxifmafia.exe
Resource
win10v2004-20240802-en
General
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Target
20240909092cda38995e2d211a31dccace662721floxifmafia.exe
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Size
2.5MB
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MD5
092cda38995e2d211a31dccace662721
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SHA1
d7c424feee17ff49ed27ae524a5c8335ae03d53c
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SHA256
66140ffb4c7797c9c1ccb983b45a6d5a72584297a02461850ee2685940d4407e
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SHA512
58c2e8a6afa01a144792de4782c277a938b823787ad2852cf82529c46668355eb599e1827db7b0b84934d73e380d2b85cb353981d199bb28250e6dfc32540d16
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SSDEEP
49152:6uIIK8ofs2hPd2l177BTK2VbDsar1YDjB:6jtfs2hPIl1/C
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule C:\Program Files\Common Files\System\symsrv.dll 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.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Program Files\Common Files\System\symsrv.dll acprotect -
Loads dropped DLL 8 IoCs
Processes:
20240909092cda38995e2d211a31dccace662721floxifmafia.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid process 4800 20240909092cda38995e2d211a31dccace662721floxifmafia.exe 2580 WerFault.exe 1424 WerFault.exe 5060 WerFault.exe 4132 WerFault.exe 3284 WerFault.exe 2512 WerFault.exe 1892 WerFault.exe -
Processes:
resource yara_rule C:\Program Files\Common Files\System\symsrv.dll upx behavioral2/memory/4800-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4800-19-0x0000000010000000-0x0000000010030000-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.
Processes:
20240909092cda38995e2d211a31dccace662721floxifmafia.exedescription ioc process File opened (read-only) \??\e: 20240909092cda38995e2d211a31dccace662721floxifmafia.exe -
Drops file in Program Files directory 1 IoCs
Processes:
20240909092cda38995e2d211a31dccace662721floxifmafia.exedescription ioc process File created C:\Program Files\Common Files\System\symsrv.dll 20240909092cda38995e2d211a31dccace662721floxifmafia.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 5060 4800 WerFault.exe 20240909092cda38995e2d211a31dccace662721floxifmafia.exe 4132 4800 WerFault.exe 20240909092cda38995e2d211a31dccace662721floxifmafia.exe 2512 4800 WerFault.exe 20240909092cda38995e2d211a31dccace662721floxifmafia.exe -
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.
Processes:
20240909092cda38995e2d211a31dccace662721floxifmafia.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20240909092cda38995e2d211a31dccace662721floxifmafia.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
20240909092cda38995e2d211a31dccace662721floxifmafia.exepid process 4800 20240909092cda38995e2d211a31dccace662721floxifmafia.exe 4800 20240909092cda38995e2d211a31dccace662721floxifmafia.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
20240909092cda38995e2d211a31dccace662721floxifmafia.exedescription pid process Token: SeDebugPrivilege 4800 20240909092cda38995e2d211a31dccace662721floxifmafia.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20240909092cda38995e2d211a31dccace662721floxifmafia.exe"C:\Users\Admin\AppData\Local\Temp\20240909092cda38995e2d211a31dccace662721floxifmafia.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:4800 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 14922⤵
- Loads dropped DLL
- Program crash
PID:5060 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 15122⤵
- Loads dropped DLL
- Program crash
PID:4132 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 15242⤵
- Loads dropped DLL
- Program crash
PID:2512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4800 -ip 48001⤵
- Loads dropped DLL
PID:2580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4800 -ip 48001⤵
- Loads dropped DLL
PID:1424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4800 -ip 48001⤵
- Loads dropped DLL
PID:3284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4800 -ip 48001⤵
- Loads dropped DLL
PID:1892
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab