floxif | fcc2b5d543a9e7f91a5477944116783dfa3e91b84de94512af93242cd280f22c

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 00:41

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General

Target

2025-01-01_3031801cf9b18bc549b21e9a245dec9a_floxif_mafia.exe
Size

347KB
MD5

3031801cf9b18bc549b21e9a245dec9a
SHA1

5f182bf2a9b73339e1744df485a33d9dce68a98c
SHA256

fcc2b5d543a9e7f91a5477944116783dfa3e91b84de94512af93242cd280f22c
SHA512

87a9885298ba09cd689c5961104217abb9d1698ed48cce45ed57d3581082270013ac72f3f7e62e3d777ff40d87d9d47539cd30d97cbbcf1142807e96c42129c6
SSDEEP

6144:vRhcgGeQa217K4+Ay6EtA5amw/zmIAkWU/EvfB3EWHpVBV+UdvrEFp7hKwe:fGPaG77+y11AzmIAtU/EvfB5TBjvrEHu

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
behavioral1/files/0x0009000000012255-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000012255-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1820	2025-01-01_3031801cf9b18bc549b21e9a245dec9a_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000012255-1.dat	upx
behavioral1/memory/1820-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1820-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-01-01_3031801cf9b18bc549b21e9a245dec9a_floxif_mafia.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	2025-01-01_3031801cf9b18bc549b21e9a245dec9a_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	2025-01-01_3031801cf9b18bc549b21e9a245dec9a_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-01_3031801cf9b18bc549b21e9a245dec9a_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-01_3031801cf9b18bc549b21e9a245dec9a_floxif_mafia.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

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Downloads

\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/1820-5-0x0000000000841000-0x0000000000842000-memory.dmp

Filesize
4KB

Download
memory/1820-7-0x0000000000840000-0x0000000000888000-memory.dmp

Filesize
288KB

Download
memory/1820-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download