Analysis
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max time kernel
92s -
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
18-12-2024 16:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe
Resource
win10v2004-20241007-en
General
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Target
2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe
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Size
158KB
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MD5
d00550eeae97b273aa18365fb2085d88
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SHA1
3a5eb693b86bd1841b3209aa4c9763f7e35ac6e8
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SHA256
b0c4e0ff9d22b71168a4b046cb0b452d3402f9332a09886d865333db1e79b0fc
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SHA512
d917c607481626320b92e852797da762488443a30a2a0f0271617587fa6d55f9b957895b72088cec9601ad717ac01bacc45404fef80dddbe18c7c6ee757d060e
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SSDEEP
3072:+ZFqyRX2ykQ4SR2lQBV+UdE+rECWp7hKjFH:wpX2NuBV+UdvrEFp7hKjFH
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023bce-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/0x000a000000023bce-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 224 2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe -
resource yara_rule behavioral2/files/0x000a000000023bce-1.dat upx behavioral2/memory/224-2-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/224-9-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-18_d00550eeae97b273aa18365fb2085d88_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 2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 224 2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-18_d00550eeae97b273aa18365fb2085d88_bkransomware_floxif.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:224
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab