floxif | dfffc1a1609f9f85e914774f99062d4b8e6baaf212fba6b706f64402e83adbb0

Analysis

max time kernel
91s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 12:27

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General

Target

2024-12-25_a27736daa190a88d880790afd1ab6d39_floxif_mafia.exe
Size

1.9MB
MD5

a27736daa190a88d880790afd1ab6d39
SHA1

75835754d09a6e158d7a25f01ec1a11a2a72a90e
SHA256

dfffc1a1609f9f85e914774f99062d4b8e6baaf212fba6b706f64402e83adbb0
SHA512

3d73734d728942aa5022028383a49f49465f894e7b573824a4cd44d62109703784813448ae25c05b87d8b706332b4075f8008e6edb2a919fe517de09104b694e
SSDEEP

49152:MeLjveDKVx+KJtOw8RG48p85PCzcs7dGyayEFD5jLD9RJ4KvJFBVAX69FPfp:RLeKOKTOw898O56zcs7dGyayE7LD9Hvb

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/0x000b000000023b95-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000b000000023b95-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3124	2024-12-25_a27736daa190a88d880790afd1ab6d39_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023b95-1.dat	upx
behavioral2/memory/3124-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3124-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-25_a27736daa190a88d880790afd1ab6d39_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	2024-12-25_a27736daa190a88d880790afd1ab6d39_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3124	2024-12-25_a27736daa190a88d880790afd1ab6d39_floxif_mafia.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3124	2024-12-25_a27736daa190a88d880790afd1ab6d39_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-25_a27736daa190a88d880790afd1ab6d39_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_a27736daa190a88d880790afd1ab6d39_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3124

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/3124-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3124-6-0x0000000000091000-0x0000000000092000-memory.dmp

Filesize
4KB

Download
memory/3124-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3124-7-0x0000000000090000-0x0000000000270000-memory.dmp

Filesize
1.9MB

Download