floxif | 420dcd9549e487d63ffb36733dc3d806a89167a8d419e5c44a8ea9868a522a9b

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 09:23

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General

Target

2024-11-23_2a12f235aa27cf474fa9cac8f5e2b809_floxif_mafia.exe
Size

1.8MB
MD5

2a12f235aa27cf474fa9cac8f5e2b809
SHA1

1a786168a201d0e7a56090ed555c9f130c402054
SHA256

420dcd9549e487d63ffb36733dc3d806a89167a8d419e5c44a8ea9868a522a9b
SHA512

c0334424c7dbc7651787bf53bd014de3009ad7ee7faa58de9f53495683d3fe49566755831bc3224eed4d8cf80195498cc324bbad83995c8033cd5e4046b85bc8
SSDEEP

49152:N5e4RJn8OfFl55+s2bv2/KPeOsXRrg1TfVIKBeaQwhV:NPRBfFlkviKP4RrgvBe2

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/0x000b0000000122cf-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b0000000122cf-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1960	2024-11-23_2a12f235aa27cf474fa9cac8f5e2b809_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1960-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b0000000122cf-1.dat	upx
behavioral1/memory/1960-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-11-23_2a12f235aa27cf474fa9cac8f5e2b809_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	2024-11-23_2a12f235aa27cf474fa9cac8f5e2b809_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	2024-11-23_2a12f235aa27cf474fa9cac8f5e2b809_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-23_2a12f235aa27cf474fa9cac8f5e2b809_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-23_2a12f235aa27cf474fa9cac8f5e2b809_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1960

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/1960-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1960-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1960-5-0x00000000000C0000-0x000000000027D000-memory.dmp

Filesize
1.7MB

Download