floxif | 30e810968515643088acff26288d627d156fee64dc9606467e40d6c1765e5eda

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09/01/2025, 17:35

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General

Target

2025-01-09_408bf68c69700642a4902ca6d27a36c8_bkransomware_floxif.exe
Size

2.1MB
MD5

408bf68c69700642a4902ca6d27a36c8
SHA1

cf7a50a133e895f2bcbf923da29b03e5c0a96e8a
SHA256

30e810968515643088acff26288d627d156fee64dc9606467e40d6c1765e5eda
SHA512

444f9f44e31d3c499b6a575f1bf7c46344535671df3ca0f08ca989e2cf3cc6579681da470f8ff4a3f0697268af81d776af060886847ed09d2af11c08cfb26a5b
SSDEEP

49152:bf83LdZrq17L789a5xymksotcnkLVdBQQ7Q4URkZhM1l:baLdo17L78o5Q6otcnkfBQQ7Q4URH

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
behavioral1/files/0x000c00000001225c-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c00000001225c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2344	2025-01-09_408bf68c69700642a4902ca6d27a36c8_bkransomware_floxif.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2344-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000c00000001225c-1.dat	upx
behavioral1/memory/2344-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-01-09_408bf68c69700642a4902ca6d27a36c8_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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-09_408bf68c69700642a4902ca6d27a36c8_bkransomware_floxif.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	2025-01-09_408bf68c69700642a4902ca6d27a36c8_bkransomware_floxif.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2344	2025-01-09_408bf68c69700642a4902ca6d27a36c8_bkransomware_floxif.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-09_408bf68c69700642a4902ca6d27a36c8_bkransomware_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-09_408bf68c69700642a4902ca6d27a36c8_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:2344

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

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2344-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2344-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2344-5-0x0000000000D60000-0x0000000000F6B000-memory.dmp

Filesize
2.0MB

Download