Analysis
-
max time kernel
96s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-01-2025 18:56
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_bkransomware_floxif.exe
Resource
win7-20240708-en
General
-
Target
2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_bkransomware_floxif.exe
-
Size
3.1MB
-
MD5
dcdaf9f37cd9f0ae536b484f365f83cd
-
SHA1
291a487fa73fd1a7eea84c46060cc34fb5f0ee08
-
SHA256
b12d1531f0c84f8e6321b13f81440550e11a3016e65be38dc66aca132caf21ec
-
SHA512
1b7c81f972bdc207a822043d793bdc010d8134e5233b21da7431cce1a035aeb64a7743f95d7448e16d364e95acc3daf9ad2899adf46911933dac53092932c75e
-
SSDEEP
49152:Mk7xcpob5JLtnrhON2bun5Dzga/mYm/OtYEsxheZYZsgS:RxcG5JLtnoNfnN//mMKEsxheZuS
Malware Config
Signatures
-
Floxif family
-
Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023c05-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000a000000023c05-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 4576 2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_bkransomware_floxif.exe -
resource yara_rule behavioral2/files/0x000a000000023c05-1.dat upx behavioral2/memory/4576-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4576-8-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_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 2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_bkransomware_floxif.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4576 2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_bkransomware_floxif.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4576 2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_bkransomware_floxif.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-22_dcdaf9f37cd9f0ae536b484f365f83cd_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:4576
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab