Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 00:34
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe
Resource
win10v2004-20241007-en
General
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Target
2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe
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Size
2.4MB
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MD5
724627f5ddfdd4b81f365d74a94a9786
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SHA1
cae440c39d4c19213964d856419ee35a2bc05559
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SHA256
7acf0546772c51be9275f3d173d81af095cfaaf86c4a1d1c482c463d724c69f7
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SHA512
a942349ae5afd5b757ad68ec4c1731e2f5a79481c7a81bd25218064fbbc868e3f840739a8efe734b9d52222d435d2f69f4973bdd428883788faffd2967fee019
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SSDEEP
49152:23uE7ACqIxGrGYyZa/tgrYJUGfZC3wA6EylfwEaFW31qF:zE7A9rlyutLxC3sEwwM3UF
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023c79-1.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.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0008000000023c79-1.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe -
Executes dropped EXE 2 IoCs
pid Process 2444 minidownload.exe 3208 SogouSoftware.exe -
Loads dropped DLL 4 IoCs
pid Process 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 2444 minidownload.exe 3208 SogouSoftware.exe 3208 SogouSoftware.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: SogouSoftware.exe -
pid Process 3008 arp.exe 1160 arp.exe 1268 arp.exe 2768 arp.exe 5064 arp.exe 1492 arp.exe 3672 arp.exe 1320 arp.exe 4112 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 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe File opened for modification \??\PhysicalDrive0 SogouSoftware.exe -
resource yara_rule behavioral2/memory/4416-4-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/files/0x0008000000023c79-1.dat upx behavioral2/memory/2444-20-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/2444-64-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/4416-77-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/3208-79-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/3208-90-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/3208-98-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/3208-101-0x0000000010000000-0x0000000010033000-memory.dmp upx -
Drops file in Program Files directory 43 IoCs
description ioc Process 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\crash\.svn\format minidownload.exe 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\MiniTPFw.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\id.dat minidownload.exe File created C:\Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll 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\text-base\msvcr71.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\.svn\entries 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\prop-base\msvcp71.dll.svn-base 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\atl71.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\msvcp71.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\all-wcprops minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\zlib1.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\all-wcprops 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\download_engine.dll.svn-base 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\download_engine.dll.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\atl71.dll.svn-base 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\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\prop-base\msvcr71.dll.svn-base minidownload.exe File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\crash\ExceptionReport.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\xldl.dll 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\text-base\ThunderFW.exe.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 (x86)\SogouSoftware\download\download\.svn\text-base\msvcp71.dll.svn-base minidownload.exe File created \??\c:\progra~1\common~1\system\symsrv.dll.000 SogouSoftware.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\entries minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\MiniThunderPlatform.exe 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\msvcr71.dll 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 12 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 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 minidownload.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_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 -
NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023c7e-11.dat nsis_installer_1 behavioral2/files/0x0007000000023c7e-11.dat nsis_installer_2 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3208 SogouSoftware.exe 3208 SogouSoftware.exe 3208 SogouSoftware.exe 3208 SogouSoftware.exe 3208 SogouSoftware.exe 3208 SogouSoftware.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 656 Process not Found -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe Token: SeDebugPrivilege 2444 minidownload.exe Token: SeDebugPrivilege 3208 SogouSoftware.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4416 wrote to memory of 5064 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 83 PID 4416 wrote to memory of 5064 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 83 PID 4416 wrote to memory of 5064 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 83 PID 4416 wrote to memory of 4112 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 85 PID 4416 wrote to memory of 4112 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 85 PID 4416 wrote to memory of 4112 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 85 PID 4416 wrote to memory of 3008 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 86 PID 4416 wrote to memory of 3008 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 86 PID 4416 wrote to memory of 3008 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 86 PID 4416 wrote to memory of 1160 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 88 PID 4416 wrote to memory of 1160 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 88 PID 4416 wrote to memory of 1160 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 88 PID 4416 wrote to memory of 3672 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 89 PID 4416 wrote to memory of 3672 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 89 PID 4416 wrote to memory of 3672 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 89 PID 4416 wrote to memory of 2768 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 90 PID 4416 wrote to memory of 2768 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 90 PID 4416 wrote to memory of 2768 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 90 PID 4416 wrote to memory of 1492 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 91 PID 4416 wrote to memory of 1492 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 91 PID 4416 wrote to memory of 1492 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 91 PID 4416 wrote to memory of 1268 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 93 PID 4416 wrote to memory of 1268 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 93 PID 4416 wrote to memory of 1268 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 93 PID 4416 wrote to memory of 1320 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 94 PID 4416 wrote to memory of 1320 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 94 PID 4416 wrote to memory of 1320 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 94 PID 4416 wrote to memory of 2444 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 101 PID 4416 wrote to memory of 2444 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 101 PID 4416 wrote to memory of 2444 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 101 PID 4416 wrote to memory of 3208 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 104 PID 4416 wrote to memory of 3208 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 104 PID 4416 wrote to memory of 3208 4416 2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-16_724627f5ddfdd4b81f365d74a94a9786_floxif_mafia.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\SysWOW64\arp.exearp -a2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:5064
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C:\Windows\SysWOW64\arp.exearp -s 10.127.0.1 4d-8d-85-da-e4-c82⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4112
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C:\Windows\SysWOW64\arp.exearp -s 10.127.255.255 e5-5c-ae-cf-e3-b82⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3008
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C:\Windows\SysWOW64\arp.exearp -s 37.27.61.185 f2-af-c6-f9-4f-3d2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1160
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.22 7b-16-6f-a4-e3-602⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3672
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.251 6f-ad-b3-aa-9c-ef2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2768
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.252 f9-83-67-7a-dd-452⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1492
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C:\Windows\SysWOW64\arp.exearp -s 239.255.255.250 65-21-7c-81-27-e52⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1268
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C:\Windows\SysWOW64\arp.exearp -s 255.255.255.255 1e-09-02-fd-51-382⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1320
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C:\Users\Admin\AppData\Local\Temp\minidownload.exe"C:\Users\Admin\AppData\Local\Temp\minidownload.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2444
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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
- 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
PID:3208
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Network
MITRE ATT&CK Enterprise v15
Persistence
Event Triggered Execution
1AppInit DLLs
1Pre-OS Boot
1Bootkit
1Replay 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
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