floxif | 9ff1f91148fae2b734ee03405c41557bb22ec775af242dd25230a840a6df19e0

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 05:23

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General

Target

2024-12-21_752b720ece24bf9c97e6c833de3dc4ac_floxif_mafia.exe
Size

339KB
MD5

752b720ece24bf9c97e6c833de3dc4ac
SHA1

641ab152d9807b8efc21391f9874c73309a4acb5
SHA256

9ff1f91148fae2b734ee03405c41557bb22ec775af242dd25230a840a6df19e0
SHA512

2a1d3eef9c8e18befa8b753546bcdac9c3e996883bbd57e533d56b0e476f77a0c9d43bf9ac4d2a4d539a3527f985f3c8022ce2fbbc0c0107741aedf9f0fbf066
SSDEEP

6144:sUSQ/BVJf/S5w84GR4+qGA9HYpFOXDm3/ruhwIBV+UdvrEFp7hKh:sUSQ/BL8w8N4+fA9cFADfwIBjvrEH7u

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/0x000c000000023b37-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b37-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3904	2024-12-21_752b720ece24bf9c97e6c833de3dc4ac_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b37-1.dat	upx
behavioral2/memory/3904-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3904-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-21_752b720ece24bf9c97e6c833de3dc4ac_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	2024-12-21_752b720ece24bf9c97e6c833de3dc4ac_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	2024-12-21_752b720ece24bf9c97e6c833de3dc4ac_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-21_752b720ece24bf9c97e6c833de3dc4ac_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-21_752b720ece24bf9c97e6c833de3dc4ac_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3904

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/3904-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3904-6-0x00000000008E0000-0x0000000000923000-memory.dmp

Filesize
268KB

Download
memory/3904-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download