Analysis
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max time kernel
149s -
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
10/01/2025, 18:00
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe
Resource
win7-20240903-en
General
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Target
2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe
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Size
3.1MB
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MD5
eb12a4e10b158809d6655977ade7d9f5
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SHA1
6ba15ac48e6a6abd26d54d877d7722078d8eaf18
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SHA256
d89a95e276692f1b4d4f4ce78f027e9e9ff7992283f1f5a27bfe8078595f13b4
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SHA512
1c66c13a476485d4df92e913e122ed1df4ac2c5ddfd7a954ec87c646822eb5b636d65ad4b1335716e285bad10ca6b29eb3778b8d704e9671267127df5e8c63e4
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SSDEEP
49152:Mk7xcpob5JLtnKhON2bun5Bzga/mYm/OtfEsxheZYZsgi:RxcG5JLtnVNfnb//mMZEsxheZui
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000d000000023b53-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000d000000023b53-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 3100 2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe -
resource yara_rule behavioral2/files/0x000d000000023b53-1.dat upx behavioral2/memory/3100-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3100-8-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2025-01-10_eb12a4e10b158809d6655977ade7d9f5_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 2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3100 2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3100 2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-10_eb12a4e10b158809d6655977ade7d9f5_bkransomware_floxif.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3100
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab