floxif | 134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/12/2024, 06:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001.exe
Size

294KB
MD5

72e687369672b8658af633d6671ab9fa
SHA1

b39777a1b2da9f8883875ae2e8b33e8f4f553d07
SHA256

134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001
SHA512

2858fdf75f5ddef92b89478fbab2f482634f303a9c18ca53f8061bb4c42bf7d2a90c3f8b490472c2afa829e3bdcbf3bba117c27dedcba9a52011622d510e7d2e
SSDEEP

6144:2+bfb9iR+O1bzgQdR5cMCVFZSQVKWdFf/uyJPAOtUsCWBV+UdvrEFp7hKLy:2ou+O1bzgQdkTPlFf/uyJPosCWBjvrEN

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/0x000c000000014b4f-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c000000014b4f-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1756	134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000014b4f-1.dat	upx
behavioral1/memory/1756-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1756-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001.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	134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001.exe

C:\Users\Admin\AppData\Local\Temp\134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001.exe
"C:\Users\Admin\AppData\Local\Temp\134b8726237667b737f7909f095ea23861ef1e92461684fce574b9a94b1c6001.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1756

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/1756-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1756-6-0x00000000010D0000-0x0000000001108000-memory.dmp

Filesize
224KB

Download
memory/1756-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download