floxif | 42770006140ebedecef8eb9ecf01c5e5d6df826c15724bc7371d8a2cce188bc6

Analysis

max time kernel
93s
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
31-12-2024 07:26

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General

Target

2024-12-31_bc3ebcad5bca239d3637e7decbf47fc8_floxif_mafia.exe
Size

2.6MB
MD5

bc3ebcad5bca239d3637e7decbf47fc8
SHA1

0c90f0b589b7329571e58b29b0cd4520d975375e
SHA256

42770006140ebedecef8eb9ecf01c5e5d6df826c15724bc7371d8a2cce188bc6
SHA512

a68b8cb726aa1dcaa0c93261871779a96a6bc07fdc74742ce15b41fc7fd58dd62819a42ecf01e97b82271f472534b3cbc31ef7b206633e321d78f922c206f484
SSDEEP

49152:Kw6c5LN7VSjOmZ1viy920yqWlPlL3RyU9nxvG3bQyf9YFiEd2IRm0Smz4hJC:Yc5LN7CHZAy92iWlPlL3RyU9nhGNfsfz

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/0x0008000000023c8f-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023c8f-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2132	2024-12-31_bc3ebcad5bca239d3637e7decbf47fc8_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2132-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x0008000000023c8f-1.dat	upx
behavioral2/memory/2132-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-31_bc3ebcad5bca239d3637e7decbf47fc8_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	2024-12-31_bc3ebcad5bca239d3637e7decbf47fc8_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	2024-12-31_bc3ebcad5bca239d3637e7decbf47fc8_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-31_bc3ebcad5bca239d3637e7decbf47fc8_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-31_bc3ebcad5bca239d3637e7decbf47fc8_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2132

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/2132-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2132-6-0x00000000006F1000-0x00000000006F2000-memory.dmp

Filesize
4KB

Download
memory/2132-7-0x00000000006F0000-0x0000000000984000-memory.dmp

Filesize
2.6MB

Download
memory/2132-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download