Analysis
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max time kernel
144s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2024 18:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe
Resource
win7-20240903-en
General
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Target
2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe
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Size
2.4MB
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MD5
6529bc811233d73376438001a3f8d993
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SHA1
58b72f49414482c32a55c47fe357a531f57077b0
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SHA256
e1babebc55bfa693f2f2b66095495e4bacd8d8a6ce4e28ae2c854f8646b33478
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SHA512
808fb7907682d9e1e87ef83d38a0c95a5eccc97d9d86ffa42c35e9b03b05f678c9199c9bc23132432671a287b209cea9295348cbecbe054ddf8e1aad9c638de5
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SSDEEP
49152:CAuE7AkqIxGrGYyZa/tgrYJUGfZC3wA6EylfwEaFW31qU:+E7AfrlyutLxC3sEwwM3UU
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023b23-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000c000000023b23-1.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe -
Executes dropped EXE 2 IoCs
pid Process 2520 minidownload.exe 4076 SogouSoftware.exe -
Loads dropped DLL 3 IoCs
pid Process 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 4076 SogouSoftware.exe 1724 2024-12-28_6529bc811233d73376438001a3f8d993_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: 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe -
pid Process 3728 arp.exe 3112 arp.exe 1164 arp.exe 2116 arp.exe 2264 arp.exe 4424 arp.exe 1272 arp.exe 1532 arp.exe 4528 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 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe File opened for modification \??\PhysicalDrive0 SogouSoftware.exe -
resource yara_rule behavioral2/memory/1724-4-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/files/0x000c000000023b23-1.dat upx behavioral2/memory/1724-84-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/1724-87-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral2/memory/1724-92-0x0000000010000000-0x0000000010033000-memory.dmp upx -
Drops file in Program Files directory 46 IoCs
description ioc Process File created C:\Program Files (x86)\SogouSoftware\crash\.svn\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\.svn\prop-base\MiniThunderPlatform.exe.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\SogouSoftwareLoader.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\id.dat 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\prop-base\atl71.dll.svn-base minidownload.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\entries 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\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 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 opened for modification C:\Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\download\xldl.dll minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\msvcr71.dll 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\crash\.svn\text-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\ThunderFW.exe 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\msvcp71.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 (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\ThunderFW.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\text-base\dl_peer_id.dll.svn-base minidownload.exe File opened for modification C:\Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll.dat 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\crash\ExceptionReport.exe minidownload.exe File created C:\Program Files (x86)\SogouSoftware\download\download\MiniThunderPlatform.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\download_engine.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\prop-base\dl_peer_id.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\id.dat.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\SogouSoftwareLoader.dll.tmp 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe File created C:\Program Files (x86)\SogouSoftware\crash\.svn\format 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\entries minidownload.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.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 arp.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 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 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 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe -
NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x000a000000023b81-10.dat nsis_installer_1 behavioral2/files/0x000a000000023b81-10.dat nsis_installer_2 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 660 Process not Found 660 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1724 wrote to memory of 4424 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 82 PID 1724 wrote to memory of 4424 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 82 PID 1724 wrote to memory of 4424 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 82 PID 1724 wrote to memory of 3728 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 84 PID 1724 wrote to memory of 3728 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 84 PID 1724 wrote to memory of 3728 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 84 PID 1724 wrote to memory of 1272 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 85 PID 1724 wrote to memory of 1272 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 85 PID 1724 wrote to memory of 1272 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 85 PID 1724 wrote to memory of 1532 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 86 PID 1724 wrote to memory of 1532 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 86 PID 1724 wrote to memory of 1532 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 86 PID 1724 wrote to memory of 4528 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 87 PID 1724 wrote to memory of 4528 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 87 PID 1724 wrote to memory of 4528 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 87 PID 1724 wrote to memory of 1164 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 88 PID 1724 wrote to memory of 1164 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 88 PID 1724 wrote to memory of 1164 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 88 PID 1724 wrote to memory of 3112 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 89 PID 1724 wrote to memory of 3112 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 89 PID 1724 wrote to memory of 3112 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 89 PID 1724 wrote to memory of 2264 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 93 PID 1724 wrote to memory of 2264 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 93 PID 1724 wrote to memory of 2264 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 93 PID 1724 wrote to memory of 2116 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 96 PID 1724 wrote to memory of 2116 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 96 PID 1724 wrote to memory of 2116 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 96 PID 1724 wrote to memory of 2520 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 100 PID 1724 wrote to memory of 2520 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 100 PID 1724 wrote to memory of 2520 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 100 PID 1724 wrote to memory of 4076 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 106 PID 1724 wrote to memory of 4076 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 106 PID 1724 wrote to memory of 4076 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 106 PID 1724 wrote to memory of 1192 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 108 PID 1724 wrote to memory of 1192 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 108 PID 1724 wrote to memory of 1192 1724 2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-28_6529bc811233d73376438001a3f8d993_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-28_6529bc811233d73376438001a3f8d993_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:1724 -
C:\Windows\SysWOW64\arp.exearp -a2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4424
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C:\Windows\SysWOW64\arp.exearp -s 10.127.0.1 6f-82-db-58-83-3e2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3728
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C:\Windows\SysWOW64\arp.exearp -s 10.127.255.255 10-c2-7e-28-c7-af2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1272
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C:\Windows\SysWOW64\arp.exearp -s 136.243.76.170 5e-3b-59-20-05-032⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1532
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.22 2d-bd-e8-a1-63-4f2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:4528
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.251 0f-34-60-f9-50-402⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:1164
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.252 e8-a2-34-c0-e9-232⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:3112
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C:\Windows\SysWOW64\arp.exearp -s 239.255.255.250 1f-89-c9-14-64-9a2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2264
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C:\Windows\SysWOW64\arp.exearp -s 255.255.255.255 1b-f6-44-32-b0-8b2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2116
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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:2520
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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:4076
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C:\Windows\SysWOW64\arp.exearp -d2⤵
- System Location Discovery: System Language Discovery
PID:1192
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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
MD5989202cf9e4fc4701d8d50ac181fe16a
SHA1599d090cde440c70bd9b03153e5227921e90ee87
SHA256cc7a8a76c55a6ebe1e2aabfed65a26a94b984d6c0e38684d70d2aa6fd22905bb
SHA512ef0d3fbe068dbf718403227c5fc81b67df2f412806a798139ef3aca3154bd318764fa023c01ae5baf74ae2a88cc3bfde8eb412926a471c07ed7b510098bbda2c
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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