floxif | 4fa3a9030e464c7b5b9c102cc4868684e23936082d3a3b45feeeb908a9e25098

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 19:36

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General

Target

2024-11-19_707f6b9328195e21083a8e9df60c2f81_floxif_mafia.exe
Size

268KB
MD5

707f6b9328195e21083a8e9df60c2f81
SHA1

54d5b9ae3751439bbdf0a952c0ce40d00128f16f
SHA256

4fa3a9030e464c7b5b9c102cc4868684e23936082d3a3b45feeeb908a9e25098
SHA512

9877f4b7a58fae4fc96cdcef6dfa6e987da9103a1e2a30fb83a1c84eb86304c370bcab378821bcb9f40543bf77b651cb01304edc8759cc9e083f6205f23694df
SSDEEP

6144:8m1IG9KVG7/jc+6cyUWXkrlPczWBV+UdvrEFp7hKbb:DIG9Z/jbTtW0rlPMWBjvrEH7kb

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/0x000c00000001202c-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c00000001202c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1776	2024-11-19_707f6b9328195e21083a8e9df60c2f81_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c00000001202c-1.dat	upx
behavioral1/memory/1776-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1776-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-11-19_707f6b9328195e21083a8e9df60c2f81_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	2024-11-19_707f6b9328195e21083a8e9df60c2f81_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	2024-11-19_707f6b9328195e21083a8e9df60c2f81_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-19_707f6b9328195e21083a8e9df60c2f81_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_707f6b9328195e21083a8e9df60c2f81_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1776

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/1776-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1776-5-0x0000000001190000-0x00000000011C4000-memory.dmp

Filesize
208KB

Download
memory/1776-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download