floxif | 525273ed903bd778dae41d93cde35882266f7af585ec247544c041f2d8c844cf

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 01:34

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General

Target

2025-01-31_a339333c90d86a09a5a180aa349847b4_floxif_mafia.exe
Size

2.6MB
MD5

a339333c90d86a09a5a180aa349847b4
SHA1

ce5145850f7440b4a99f47922a46d5ae820387a1
SHA256

525273ed903bd778dae41d93cde35882266f7af585ec247544c041f2d8c844cf
SHA512

e78f1d3844c97f8bb7cdb3ed99814286c76edb36860fb4136a2139f6eff724807adf6e7cedd6e56520b1d76f06e47363078003dd8e55999cbc7d0fe7980cf0b7
SSDEEP

49152:Kw6c5LN7VSjOmZ1viy920yqWlPlF3RyU9nxvG3bQYf9YFii2IRm0Smz4hJN:Yc5LN7CHZAy92iWlPlF3RyU9nhGnfsBs

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/0x000e000000013b4c-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000e000000013b4c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1660	2025-01-31_a339333c90d86a09a5a180aa349847b4_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000e000000013b4c-1.dat	upx
behavioral1/memory/1660-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1660-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-01-31_a339333c90d86a09a5a180aa349847b4_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	2025-01-31_a339333c90d86a09a5a180aa349847b4_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	2025-01-31_a339333c90d86a09a5a180aa349847b4_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-31_a339333c90d86a09a5a180aa349847b4_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_a339333c90d86a09a5a180aa349847b4_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1660

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1660-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-5-0x0000000000E30000-0x00000000010C4000-memory.dmp

Filesize
2.6MB

Download