floxif | 13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 05:05

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General

Target

13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f.exe
Size

234KB
MD5

8b117a544f92c0f7bb50756fd116b849
SHA1

c690f1c2e5d42e8464f3271be95b144b7f060393
SHA256

13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f
SHA512

3dc6e797675e7b9ce2e6ea62d30b5c08ce8b7625d9088cc3acefac239f950fa264741bb902161f0fe9b714ee3e22f1c121c4c424fd947d793e37d17ceb064819
SSDEEP

3072:uwzvOYT+5YPFYB/DvbEvK9aobNI2B+flkL7OjUuxGftPyhdY55s2ZUuyNFhyzzZX:b+iPFkh9H/B+/kBV+UdvrEFp7hKep+

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/0x000c000000023b26-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b26-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1820	13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1820-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000c000000023b26-1.dat	upx
behavioral2/memory/1820-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f.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	13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f.exe

C:\Users\Admin\AppData\Local\Temp\13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f.exe
"C:\Users\Admin\AppData\Local\Temp\13fa94b7848f37914900719906802cee7584fc792725190c227c83fa67aa156f.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1820

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/1820-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1820-5-0x00000000009E0000-0x0000000000A09000-memory.dmp

Filesize
164KB

Download
memory/1820-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download