floxif | dd1c28cd833ae5d96392c7337df46715148b0688941c200dd61ac5d51a8e2f3e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 13:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-12-11_2679b1002ad1357ded2b7bb4ada83cd9_floxif_mafia.exe
Size

408KB
MD5

2679b1002ad1357ded2b7bb4ada83cd9
SHA1

e9c8a11f495c6ccbe3b47cbf4d3d391610b5c630
SHA256

dd1c28cd833ae5d96392c7337df46715148b0688941c200dd61ac5d51a8e2f3e
SHA512

01c66716da7c666dc7926813cff19948edcb325d4cc1ca9b46029b31d669614aa2c0966a0f311909f66fe0819616639c320beae0a8564d1f1ff5660c3a87c635
SSDEEP

6144:zXE8OI2XVuOhVdupJ7Ybbgnn7a7XzTBhKXHQs0RVBV+UdvrEFp7hKN:z0jfApJjnnunTzKXveVBjvrEH7+

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/0x0007000000012117-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000012117-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1680	2024-12-11_2679b1002ad1357ded2b7bb4ada83cd9_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012117-1.dat	upx
behavioral1/memory/1680-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1680-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-11_2679b1002ad1357ded2b7bb4ada83cd9_floxif_mafia.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	2024-12-11_2679b1002ad1357ded2b7bb4ada83cd9_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	2024-12-11_2679b1002ad1357ded2b7bb4ada83cd9_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_2679b1002ad1357ded2b7bb4ada83cd9_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_2679b1002ad1357ded2b7bb4ada83cd9_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1680

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1680-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1680-5-0x0000000000E90000-0x0000000000EE8000-memory.dmp

Filesize
352KB

Download
memory/1680-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download