floxif | 562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec

Analysis

max time kernel
148s
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 21:19

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General

Target

562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec.exe
Size

811KB
MD5

faa2dd81ec199fa1125b54607e5b058e
SHA1

33e87afd11dd750f143cd819769f8ce33f1f7f98
SHA256

562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec
SHA512

ec1259965b47801e6de9ac700e9aa8480c49c12bd349bb7767f1524e3680f74e7fadc9353b93802af04e76612371623b1c09b5d4783054db271d5c5299de4ff6
SSDEEP

24576:2ryVAni8KRsSJ9S39PiqGgHpv5mVrEH7E:6nRRSJo3JAgHpRmv

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/0x000a000000023bb1-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023bb1-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
824	562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bb1-1.dat	upx
behavioral2/memory/824-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/824-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec.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	562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	824	562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec.exe

C:\Users\Admin\AppData\Local\Temp\562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec.exe
"C:\Users\Admin\AppData\Local\Temp\562f303d04decb7108c2f7f3ab4dbf3e0967ef1a62c0b27ebd830b6ef4b78dec.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:824

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/824-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/824-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/824-6-0x0000000000140000-0x00000000001F8000-memory.dmp

Filesize
736KB

Download