floxif | a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232

Analysis

max time kernel
106s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 06:40

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General

Target

a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232.exe
Size

286KB
MD5

5849270f894c29476c75f672c116b020
SHA1

93b619a5ea016a78abb2b57fc3ff6a8953d23903
SHA256

a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232
SHA512

c67b1ffc88f073ef5c8ee892ac7c51392e0a2bd2acb1c9447416cae285091ee113e6b1a7cd685964a118a6d7f27a3d8b1f3136cf6f52920f7050fcd7d0d75092
SSDEEP

6144:jFgKNkhSR/5kHouyXnZhB+h8WHlBV+UdvrEFp7hKJWTUO:jFgKNkhm/JuyXnPB+h8WHlBjvrEH7DUO

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
behavioral2/files/0x000d000000023b80-2.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000d000000023b80-2.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4952	a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000d000000023b80-2.dat	upx
behavioral2/memory/4952-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4952-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232.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	a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232.exe

C:\Users\Admin\AppData\Local\Temp\a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232.exe
"C:\Users\Admin\AppData\Local\Temp\a58a6a3249866aee000a13c6e856e547690542c16e06136f17ff2216f0c00232.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4952

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4952-1-0x000000000021B000-0x000000000021C000-memory.dmp

Filesize
4KB

Download
memory/4952-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4952-6-0x0000000000210000-0x0000000000247000-memory.dmp

Filesize
220KB

Download
memory/4952-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download