floxif | f289c0da9c36332191eb1171b869ebed7359418d1c47996010a8c4a0f0c12f77

Analysis

max time kernel
104s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
03/04/2025, 20:39

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General

Target

2025-04-03_65d0420242e7f4fff5513e93ba3f6eff_floxif.exe
Size

223KB
MD5

65d0420242e7f4fff5513e93ba3f6eff
SHA1

3947a769dacb3ad4e713bb65609b2b36186b5448
SHA256

f289c0da9c36332191eb1171b869ebed7359418d1c47996010a8c4a0f0c12f77
SHA512

bdb1da511e4578198c82ace3f8ed2497b90169691e917525e1ad71ee522627db6f80b354cc05ec52c4072ea5d7dfcae0b7cdb1b8604de5005683635806c91a49
SSDEEP

6144:Tez+bW6ioSdcqb6dyNmOdT2BuHIKpvVAkN4O9TuA6/5T3Eo678i9DpVEuxxqibOL:Tez+yoSdHBjvrEH7x

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/0x00080000000241e1-2.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000241e1-2.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
6024	2025-04-03_65d0420242e7f4fff5513e93ba3f6eff_floxif.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000241e1-2.dat	upx
behavioral1/memory/6024-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/6024-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-04-03_65d0420242e7f4fff5513e93ba3f6eff_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	2025-04-03_65d0420242e7f4fff5513e93ba3f6eff_floxif.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	6024	2025-04-03_65d0420242e7f4fff5513e93ba3f6eff_floxif.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-03_65d0420242e7f4fff5513e93ba3f6eff_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-03_65d0420242e7f4fff5513e93ba3f6eff_floxif.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:6024

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/6024-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/6024-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/6024-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/6024-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download