Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/12/2024, 07:27 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe
Resource
win7-20240903-en
General
-
Target
2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe
-
Size
209KB
-
MD5
351d8db338473531775513e16c10d247
-
SHA1
42bbcae1e2a55a2fc6a37f62924f24772f8b26ec
-
SHA256
ce2614feb6ae129ddc2fdb22cc0b4c7980c1015dc4fdc0d4e6d91ea8d2b4ed1e
-
SHA512
a318ed3bfa5dda229ee7827b43dde2afcdbc81c7909504964ae084adbf12691ead903d9df528b6b42cfe41d96bbcc4f471e4dd78d50401b9dc55f520c77842ac
-
SSDEEP
3072:Bax4PbI+GptMz4P9e78LMTeI2lQBV+UdE+rECWp7hKDLGZ:BaaC/p8QYBV+UdvrEFp7hKGZ
Malware Config
Signatures
-
Floxif family
-
Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000b000000023bc0-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000b000000023bc0-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 4528 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe -
resource yara_rule behavioral2/files/0x000b000000023bc0-1.dat upx behavioral2/memory/4528-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4528-8-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe -
Modifies registry class 25 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D5BDCE-4629-4542-AE9F-19CBDF074D3E} 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3643C661-18D4-4B82-8AF8-53742FBEC4EF}\ = "PotPlayerLive_Play" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB1520B4-0182-433E-A6CA-99A7A21C6EDF}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C94802-F60D-4070-B702-0ACA1BF538A9}\LocalServer32 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB1520B4-0182-433E-A6CA-99A7A21C6EDF} 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4EC897-07F7-4ECD-A15E-BBBE23A46EFF}\LocalServer32 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3643C661-18D4-4B82-8AF8-53742FBEC4EF} 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A64C68BB-8F33-4F4B-BAA8-07D6319D30B4}\LocalServer32 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A64C68BB-8F33-4F4B-BAA8-07D6319D30B4}\ = "PotPlayerMini_Play" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C94802-F60D-4070-B702-0ACA1BF538A9} 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C94802-F60D-4070-B702-0ACA1BF538A9}\ = "PotPlayerMCE_Play" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4EC897-07F7-4ECD-A15E-BBBE23A46EFF} 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3643C661-18D4-4B82-8AF8-53742FBEC4EF}\LocalServer32 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A64C68BB-8F33-4F4B-BAA8-07D6319D30B4} 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A64C68BB-8F33-4F4B-BAA8-07D6319D30B4}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C94802-F60D-4070-B702-0ACA1BF538A9}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB1520B4-0182-433E-A6CA-99A7A21C6EDF}\ = "PotPlayerLive_Enqueue" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB1520B4-0182-433E-A6CA-99A7A21C6EDF}\LocalServer32 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4EC897-07F7-4ECD-A15E-BBBE23A46EFF}\ = "PotPlayerMini_Enqueue" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4EC897-07F7-4ECD-A15E-BBBE23A46EFF}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\WOW6432Node\CLSID 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3643C661-18D4-4B82-8AF8-53742FBEC4EF}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D5BDCE-4629-4542-AE9F-19CBDF074D3E}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D5BDCE-4629-4542-AE9F-19CBDF074D3E}\ = "PotPlayerMCE_Enqueue" 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D5BDCE-4629-4542-AE9F-19CBDF074D3E}\LocalServer32 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4528 2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4528
Network
-
Remote address:8.8.8.8:53Request58.55.71.13.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
-
Remote address:8.8.8.8:53Request83.210.23.2.in-addr.arpaIN PTRResponse83.210.23.2.in-addr.arpaIN PTRa2-23-210-83deploystaticakamaitechnologiescom
-
Remote address:8.8.8.8:53Request14.160.190.20.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request209.205.72.20.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request53.210.109.20.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request171.39.242.20.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request172.210.232.199.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request88.210.23.2.in-addr.arpaIN PTRResponse88.210.23.2.in-addr.arpaIN PTRa2-23-210-88deploystaticakamaitechnologiescom
-
Remote address:8.8.8.8:53Request172.214.232.199.in-addr.arpaIN PTRResponse
-
Remote address:8.8.8.8:53Request43.229.111.52.in-addr.arpaIN PTRResponse
-
70 B 144 B 1 1
DNS Request
58.55.71.13.in-addr.arpa
-
66 B 90 B 1 1
DNS Request
8.8.8.8.in-addr.arpa
-
70 B 133 B 1 1
DNS Request
83.210.23.2.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
14.160.190.20.in-addr.arpa
-
73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
209.205.72.20.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
53.210.109.20.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
171.39.242.20.in-addr.arpa
-
74 B 128 B 1 1
DNS Request
172.210.232.199.in-addr.arpa
-
70 B 133 B 1 1
DNS Request
88.210.23.2.in-addr.arpa
-
74 B 128 B 1 1
DNS Request
172.214.232.199.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
43.229.111.52.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab