floxif | 0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 19:47

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General

Target

0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.exe
Size

314KB
MD5

6dc8e1fcbdbbfe4d71baa1f5ba8371ee
SHA1

b5d67260582046c3fce39f9d1ee0fdc5d3bf3484
SHA256

0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034
SHA512

799270686cd0aca9a8b987b2f637a25d180ddd768abcaa823eccb5c2187f55a9230b0b24812619c22826ca0ba707ebf2ce8717d06d63b977d77a4d34fbd749cd
SSDEEP

6144:JBerSz5uFu5OZ25XpeJ2p+VGpOWIXPsFbXLxZn8tOLkkVvSRPJsBPgZh88BV+UdN:JBeg5uFu5OZ25XpeJ2p+VGpOW/98tOoL

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/0x00070000000120fb-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00070000000120fb-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2732	0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00070000000120fb-1.dat	upx
behavioral1/memory/2732-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.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	0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2732	0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.exe

C:\Users\Admin\AppData\Local\Temp\0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.exe
"C:\Users\Admin\AppData\Local\Temp\0f8b755aafa015f90b5de0865adb4d4b819138e9468059f1fbb1e7e5b4042034.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2732

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/2732-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2732-5-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2732-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download