Analysis
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max time kernel
144s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 18:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe
Resource
win7-20240903-en
General
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Target
2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe
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Size
2.4MB
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MD5
bf896033137212dc0f2857c9b1791c8e
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SHA1
83dcf4ce0d7bd4ce6a0b6c3044efa24b2e7329d4
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SHA256
df778a461f2017cd10ba4d2ff0764a9246e0d89c4c125e32cead26a94c77c160
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SHA512
d4892f0cc8e155f98d0e6fe37678ef74ccc8018167f38c4f7d6e9cc6a5210a9d9242fa3dfb75f9b3ccb94fb7d0be9e42d12e588af4552a4cc70eed24e843b2fc
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SSDEEP
49152:25uE7AkqIxGrGYyZa/tgrYJUGfZC3wA6EylfwEaFW31qY:dE7AfrlyutLxC3sEwwM3UY
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023b28-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000c000000023b28-1.dat acprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe -
Executes dropped EXE 2 IoCs
pid Process 228 minidownload.exe 1644 SogouSoftware.exe -
Loads dropped DLL 3 IoCs
pid Process 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 1644 SogouSoftware.exe 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.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: 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe -
pid Process 3268 arp.exe 4252 arp.exe 4480 arp.exe 2208 arp.exe 3440 arp.exe 4588 arp.exe 3964 arp.exe 744 arp.exe 4800 arp.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe File opened for modification \??\PhysicalDrive0 SogouSoftware.exe -
resource yara_rule behavioral2/memory/3252-4-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/files/0x000c000000023b28-1.dat upx behavioral2/memory/3252-84-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/3252-87-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/3252-92-0x0000000010000000-0x0000000010033000-memory.dmp upx -
Drops file in Program Files directory 46 IoCs
description ioc Process File created C:\Program Files (x86)\SogouSoftware\crash\.svn\text-base\ExceptionReport.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\dl_peer_id.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\ThunderFW.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\MiniTPFw.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\id.dat.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll.tmp 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\all-wcprops minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\download_engine.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\all-wcprops minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\format minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\download_engine.dll.svn-base minidownload.exe File opened for modification C:\Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll.dat 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\download\xldl.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\MiniThunderPlatform.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\prop-base\ExceptionReport.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\SogouSoftware.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\msvcr71.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\zlib1.dll minidownload.exe File opened for modification C:\Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\entries minidownload.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\format minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\msvcp71.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\ThunderFW.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\download_engine.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\zlib1.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\MiniThunderPlatform.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\msvcp71.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\zlib1.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\msvcp71.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\entries minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\id.dat minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\MiniTPFw.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\msvcr71.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\dl_peer_id.dll.svn-base minidownload.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\ThunderFW.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\MiniThunderPlatform.exe.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\atl71.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\dl_peer_id.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\msvcr71.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\crash\ExceptionReport.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\atl71.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\MiniTPFw.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\.svn\text-base\atl71.dll.svn-base minidownload.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 13 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 minidownload.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SogouSoftware.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe -
NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x000a000000023b87-11.dat nsis_installer_1 behavioral2/files/0x000a000000023b87-11.dat nsis_installer_2 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 656 Process not Found 656 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3252 wrote to memory of 2208 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 82 PID 3252 wrote to memory of 2208 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 82 PID 3252 wrote to memory of 2208 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 82 PID 3252 wrote to memory of 4588 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 84 PID 3252 wrote to memory of 4588 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 84 PID 3252 wrote to memory of 4588 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 84 PID 3252 wrote to memory of 3440 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 85 PID 3252 wrote to memory of 3440 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 85 PID 3252 wrote to memory of 3440 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 85 PID 3252 wrote to memory of 3964 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 86 PID 3252 wrote to memory of 3964 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 86 PID 3252 wrote to memory of 3964 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 86 PID 3252 wrote to memory of 744 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 87 PID 3252 wrote to memory of 744 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 87 PID 3252 wrote to memory of 744 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 87 PID 3252 wrote to memory of 3268 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 88 PID 3252 wrote to memory of 3268 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 88 PID 3252 wrote to memory of 3268 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 88 PID 3252 wrote to memory of 4800 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 89 PID 3252 wrote to memory of 4800 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 89 PID 3252 wrote to memory of 4800 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 89 PID 3252 wrote to memory of 4252 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 90 PID 3252 wrote to memory of 4252 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 90 PID 3252 wrote to memory of 4252 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 90 PID 3252 wrote to memory of 4480 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 91 PID 3252 wrote to memory of 4480 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 91 PID 3252 wrote to memory of 4480 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 91 PID 3252 wrote to memory of 228 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 100 PID 3252 wrote to memory of 228 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 100 PID 3252 wrote to memory of 228 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 100 PID 3252 wrote to memory of 1644 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 102 PID 3252 wrote to memory of 1644 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 102 PID 3252 wrote to memory of 1644 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 102 PID 3252 wrote to memory of 1156 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 103 PID 3252 wrote to memory of 1156 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 103 PID 3252 wrote to memory of 1156 3252 2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-25_bf896033137212dc0f2857c9b1791c8e_floxif_mafia.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Windows\SysWOW64\arp.exearp -a2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2208
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C:\Windows\SysWOW64\arp.exearp -s 10.127.0.1 0d-6e-91-14-d7-fa2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4588
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C:\Windows\SysWOW64\arp.exearp -s 10.127.255.255 aa-97-e1-2c-73-fd2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3440
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C:\Windows\SysWOW64\arp.exearp -s 136.243.69.123 86-3c-48-5f-c2-bf2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3964
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.22 a1-9c-ba-21-e9-a92⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:744
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.251 f6-69-33-7e-37-832⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3268
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.252 4f-fe-26-73-84-322⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4800
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C:\Windows\SysWOW64\arp.exearp -s 239.255.255.250 c8-0c-19-92-7b-bf2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4252
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C:\Windows\SysWOW64\arp.exearp -s 255.255.255.255 30-a4-d0-20-68-462⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4480
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C:\Users\Admin\AppData\Local\Temp\minidownload.exe"C:\Users\Admin\AppData\Local\Temp\minidownload.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:228
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C:\Program Files (x86)\SogouSoftware\SogouSoftware.exe"C:\Program Files (x86)\SogouSoftware\SogouSoftware.exe" /Loader /DownLoad?status=true&softurl=https%3A%2F%2Fxiazai.sogou.com%2Fcomm%2Fredir%3Fsoftdown%3D1%26u%3DG30HdQ8G4ngDpbEHfW1gEXYhwD6lzpDc8HlTAHx7scbrxDthotkHK0HexvlOWvJbJd76eqnPU0MQPeaLH3gS2w..%26pcid%3D-2241203717467645359%26fr%3Dxiazai%26source%3Dxixi%26filename%3Dpdfwjt.zip&iconurl=https%3A%2F%2Fpic.cr173.com%2Fup%2F2014-4%2F201449152326.jpg&softname=PDF%E8%BD%AC%E6%8D%A2%E9%80%9A&softsize=19.05MB2⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
PID:1644
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C:\Windows\SysWOW64\arp.exearp -d2⤵
- System Location Discovery: System Language Discovery
PID:1156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
232KB
MD50bc2d003fcfe3fa65f4c3ba7a015fa41
SHA172ed85bc1c57259b4f2ed36d16ce3fed4e30607c
SHA256388069590fb9569b6c498f941d0565416cb52fc803648ee21b8c59917c63eb4b
SHA512ae8d83e6ca21ee9b0d5e5845fac3a4dc01c6038243da36b4360b2f42763478265cdafc89072c47672b9738de1930e5e5191e2bf91715055cbd16a949d313ff24
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Filesize
450KB
MD5b1ce2dba9515e144908aa34ac77f5a46
SHA10a3e601eeba273a16d815c5e59793eb73db9daad
SHA2565a7349e46f16ec394af8575b666c132c010bacaa2c59da472b842ffeccc5623f
SHA512d0a78b5de9126b8126b531fb8f72ae375aac898930dccd8a61f173c28470895daab56b368c34a5925020dfdc642785651445967904d8756bb1ce7c1d2f95525a
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Filesize
531KB
MD55dcc2d4c1a6bd0a2f1b740ac5777b52d
SHA1dc3796312fce544363875736f6752c79bc629f35
SHA2560eeb717a959f35ab5553326e0d525f83b01b9589f28dc8d75856143d2046f52d
SHA512d2e8889024ca1a7be6cf8992f2c45c3268f7d7422a9ce685612c6a1c655026def027a552b1ddd26f94a014c01c013123e3ee5910aa5910becdb5c807b28f56fb
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Filesize
53B
MD5113136892f2137aa0116093a524ade0b
SHA1a0284943f8ddfe69ceec90833e66d96bdf4a97f0
SHA256ebbf7e8800c3446bc3a195fa53573bde1073b0bf7581a614372f1391a9286d02
SHA512d3201cc19ae702a9813aa8bc39612ebaa48138903e9ede64dcadff213691f6e711876aa4fa083887c545325d5d8bf70649523c528090542459f2b01697180e99
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Filesize
71KB
MD54fcd7574537cebec8e75b4e646996643
SHA1efa59bb9050fb656b90d5d40c942fb2a304f2a8b
SHA2568ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d
SHA5127f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e
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Filesize
1.9MB
MD50618e9851ea4a522abeded8d40c2f19e
SHA1c6772967fdf545e32d28f3b46e97aec5b9ff99f5
SHA256506c374fbdf14420306e2da8d123c2138c2ceabd2046178317508a25949d3dc4
SHA512b8c4816d81aa14646a3b690da76c0d33f59b7d419305638747503dba6bb84a63b906fe7d0ced59850ad25db37c1e0e6f3bd614a902f2f5ffb3d2bf74ec4e571f