floxif | 3b17109a19b188efed217ebe98fc569d9b9b13d3ad4c7e20f7948767fa0cc7ca

Analysis

max time kernel
94s
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 16:24

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General

Target

2024-12-18_9fe8a0ce37f15c8067e7c373abca9c0d_bkransomware_floxif_karagany.exe
Size

149KB
MD5

9fe8a0ce37f15c8067e7c373abca9c0d
SHA1

4eb5df90e777868e9667b45410b7a13e5e4cfb4d
SHA256

3b17109a19b188efed217ebe98fc569d9b9b13d3ad4c7e20f7948767fa0cc7ca
SHA512

03e0da529fe58392e5adf22ad6942be0cb31e01950b6eed1aaebaf8b806ddea0e26ac95a328e55917055ce7f13045af6aa29c8d46c6d3ac20de1ba6a6496e6f7
SSDEEP

3072:bv1/G5K8qL1C6p2lQBV+UdE+rECWp7hK8aqv:D138CRBV+UdvrEFp7hKC

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/files/0x0009000000023c8b-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0009000000023c8b-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3344	2024-12-18_9fe8a0ce37f15c8067e7c373abca9c0d_bkransomware_floxif_karagany.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0009000000023c8b-1.dat	upx
behavioral2/memory/3344-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3344-9-0x0000000010000000-0x0000000010030000-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_9fe8a0ce37f15c8067e7c373abca9c0d_bkransomware_floxif_karagany.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-18_9fe8a0ce37f15c8067e7c373abca9c0d_bkransomware_floxif_karagany.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3344	2024-12-18_9fe8a0ce37f15c8067e7c373abca9c0d_bkransomware_floxif_karagany.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-18_9fe8a0ce37f15c8067e7c373abca9c0d_bkransomware_floxif_karagany.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-18_9fe8a0ce37f15c8067e7c373abca9c0d_bkransomware_floxif_karagany.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3344-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3344-6-0x00000000003B1000-0x00000000003B2000-memory.dmp

Filesize
4KB

Download
memory/3344-7-0x00000000003B0000-0x00000000003C8000-memory.dmp

Filesize
96KB

Download
memory/3344-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download