floxif | 18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 07:57

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General

Target

18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a.exe
Size

234KB
MD5

7b5f05364a90c8f6b2cc42f714375587
SHA1

400b1dce6177a1d98cc70b99961719aa949ddd9a
SHA256

18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a
SHA512

d535e1bc3bb680794bf603e685de6a09b0777a71654a5dc51860d788245a2e6ed2f3af31f5fc235ff3334a41885275ea69ea789c7664408244f5e71e4100b46b
SSDEEP

3072:uwzvOYTP5YP/aKavKxEvK9aobNI2B+flkL7OjUuxGftPyhdY55s2ZUuyNFhyzzZR:bPiP/aKdj9H/B+/kBV+UdvrEFp7hKJP

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/0x000c000000023b33-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b33-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3576	18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b33-1.dat	upx
behavioral2/memory/3576-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3576-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a.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	18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3576	18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a.exe

C:\Users\Admin\AppData\Local\Temp\18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a.exe
"C:\Users\Admin\AppData\Local\Temp\18ba7fe19bbc0d26dfc793dbb55e8aa6804c611dc0336b24ee45a166fa143a8a.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3576

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/3576-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3576-5-0x0000000000700000-0x0000000000729000-memory.dmp

Filesize
164KB

Download
memory/3576-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download