floxif | f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626

Analysis

max time kernel
105s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2025, 08:31

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General

Target

f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626.exe
Size

234KB
MD5

c73d08b507d98586ec30fdc6d283253e
SHA1

38fc030047754d755f9730ce03a8a1acaabec85f
SHA256

f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626
SHA512

b93feee6af97815394cd888b8ee2a17020dbab79a9e5d2709ecad5c598d1d8fe12f419f325ab95c8181e612e6530548bea66c33e10ec4464dc8fde887bf08a24
SSDEEP

3072:uwzvOYTb5YP/GW/DvbEvK9aobNI2B+flkL7OjUuxGftPyhdY55s2ZUuyNFhyzzZe:bbiP/G6h9H/B+/kBV+UdvrEFp7hKhprq

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/0x00190000000236dd-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00190000000236dd-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4104	f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00190000000236dd-1.dat	upx
behavioral1/memory/4104-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/4104-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626.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	f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4104	f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626.exe

C:\Users\Admin\AppData\Local\Temp\f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626.exe
"C:\Users\Admin\AppData\Local\Temp\f6298736f2e1d57684ca77d2975b9726641336546606857468e8fc99bdcd6626.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4104

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

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4104-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4104-5-0x0000000000960000-0x0000000000989000-memory.dmp

Filesize
164KB

Download
memory/4104-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download