floxif | b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/01/2025, 06:39

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General

Target

b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3.exe
Size

1.9MB
MD5

dd4b73b01dfc8de31f637df5c25eb3b6
SHA1

c8df664b2e1a6c3e900bf55be9a5963e1a188c46
SHA256

b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3
SHA512

0fb79e4f929f43ee9bd65ba17dd6fa7023bebca8416afd836bf41c357fc0e512e71094c9babbca26ae6db467b11d2ecaff8524da3aa17e6967ff4448e0c8144b
SSDEEP

49152:IvjkIENdvYFSHJj8suwWuIekWxo1yDmoLTOZ3sFfppnBlF:IvVEjvYoH+suLuIekW2QmoLqZ3sFfpp9

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/0x0007000000012118-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000012118-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2412	b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012118-1.dat	upx
behavioral1/memory/2412-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2412-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3.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	b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3.exe

C:\Users\Admin\AppData\Local\Temp\b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3.exe
"C:\Users\Admin\AppData\Local\Temp\b452168d07a8a34c995e2423b5089248ac6f3e61bb2a625185c8ed716243c9d3.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2412

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/2412-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2412-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2412-5-0x00000000010B0000-0x0000000001285000-memory.dmp

Filesize
1.8MB

Download