floxif | 00ff2442215ed8b46ab9e1ce03bc3c3487c2630d502f3fd3209dd08a23f28cc3

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 12:35

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General

Target

2024-12-11_e33ebf9ca24357b13f9b4f3a61bbf66e_floxif_mafia.exe
Size

2.6MB
MD5

e33ebf9ca24357b13f9b4f3a61bbf66e
SHA1

5f2bd5355f94073247b091b36a6cbee1607ac446
SHA256

00ff2442215ed8b46ab9e1ce03bc3c3487c2630d502f3fd3209dd08a23f28cc3
SHA512

3ad7f888e02a1855c1906cc638f994e6011bf659ff5b1d844bb6f9fec5d58a89a4e15a4f7ab72a09c9117ce5040b2193e340fd9452107117083c04ae5f6ec98f
SSDEEP

49152:Kw6c5LN7VSjOmZ1viy920yqWlPlF3RyU9nxvGbbQwf9YFiEd2IRm0Smz4hJd:Yc5LN7CHZAy92iWlPlF3RyU9nhGLfsfY

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/0x0007000000012119-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000012119-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1680	2024-12-11_e33ebf9ca24357b13f9b4f3a61bbf66e_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012119-1.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_e33ebf9ca24357b13f9b4f3a61bbf66e_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_e33ebf9ca24357b13f9b4f3a61bbf66e_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	2024-12-11_e33ebf9ca24357b13f9b4f3a61bbf66e_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_e33ebf9ca24357b13f9b4f3a61bbf66e_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_e33ebf9ca24357b13f9b4f3a61bbf66e_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

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

Filesize
192KB

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

Filesize
192KB

Download
memory/1680-5-0x0000000000290000-0x0000000000524000-memory.dmp

Filesize
2.6MB

Download