floxif | 45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf

Analysis

max time kernel
94s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 21:13

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General

Target

45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf.exe
Size

286KB
MD5

870d42add02a49090261dca02ad2b961
SHA1

c1441f69d7971e99af4a4b52744371fa9b566401
SHA256

45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf
SHA512

ada36e54fe1a2d4c59c0b85a5f274d92f2376d992fb572c3db600543c8809984ea1056c7c45e17edd1f0c543adf71e1fb1e28a57b3481b3dec789e1b8a58451b
SSDEEP

6144:nc7gKNkhSR/5kHouyXnZhB+h8WHlBV+UdvrEFp7hKZ:nc7gKNkhm/JuyXnPB+h8WHlBjvrEH7a

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/0x000c000000023ba0-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023ba0-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
556	45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023ba0-1.dat	upx
behavioral2/memory/556-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/556-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf.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	45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	556	45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf.exe

C:\Users\Admin\AppData\Local\Temp\45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf.exe
"C:\Users\Admin\AppData\Local\Temp\45e4678e6610c9d80e4da0f678a4d232f1d6db72b26c4b403bc6c261de952caf.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:556

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/556-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/556-5-0x0000000000D70000-0x0000000000DA7000-memory.dmp

Filesize
220KB

Download
memory/556-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download