floxif | d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc

Analysis

max time kernel
105s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2025, 10:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc.exe
Size

268KB
MD5

05be35ac5aa46e8841663569ab60dacd
SHA1

1f725a908df398e6acfe3d6b32f42301635e92b4
SHA256

d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc
SHA512

4bd502566deab99d5658a1951bf54540a5fed5cec049e76b9a70181d85faeff9cf374ac1d773cc9fb789a715224f127f80bedf49c92f6c3d49af56477bab4786
SSDEEP

6144:RIZyc/52UBjUJvMqK4/B4nkZFhJ1vsIBV+UdvrEFp7hK5uAy3t:RI0ch/pUo4/BK0FxsIBjvrEH7yDI

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/0x00080000000233a7-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000233a7-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2980	d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000233a7-1.dat	upx
behavioral1/memory/2980-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2980-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc.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	d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc.exe

C:\Users\Admin\AppData\Local\Temp\d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc.exe
"C:\Users\Admin\AppData\Local\Temp\d3399a6a81785bc88aecb3c0686e27181cda9b4c46b30efc16d4a0d74f33cfcc.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2980

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

Loading Replay Monitor...

Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2980-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2980-6-0x00000000006A1000-0x00000000006A2000-memory.dmp

Filesize
4KB

Download
memory/2980-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2980-7-0x00000000006A0000-0x00000000006D2000-memory.dmp

Filesize
200KB

Download