floxif | c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6

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
21-12-2024 23:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6.exe
Size

229KB
MD5

1e7a9ae5365aabc7068ab47051a6cf64
SHA1

a8de19e31e1fcfc95eaa378e5a9c6167202188a8
SHA256

c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6
SHA512

39957f57415bfafac7a0adc4ad2eb8b8938f68633e5b15768f3fea5a0431b6af1fbb6efd688920886c9ed64e54645388a8ef770b72032a45333890f19dab6e3c
SSDEEP

3072:UAt2Soqm5oyiTOZQv7Fk8AtB+flovvC/Y6V6z5jmVZklFYCFQCexxlG3/Nu+4Ukr:cNwzHsB+Rc2BV+UdvrEFp7hKCC

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/0x000f0000000139a5-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000f0000000139a5-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1628	c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000f0000000139a5-1.dat	upx
behavioral1/memory/1628-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1628-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6.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	c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6.exe

C:\Users\Admin\AppData\Local\Temp\c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6.exe
"C:\Users\Admin\AppData\Local\Temp\c86f455a53c97a7d7ddd3aa690257ba1fa521e47e2dcde1eafdabdb1e64855d6.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1628

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/1628-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1628-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1628-5-0x0000000000300000-0x0000000000326000-memory.dmp

Filesize
152KB

Download