floxif | a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 10:45

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General

Target

a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80N.exe
Size

414KB
MD5

3007a4eae34523d7584389ab62f52b00
SHA1

1f3016e8f7e99d49b864adaf351873c337c2c670
SHA256

a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80
SHA512

00944487300d8ff098319714f5345d39633017712e914529d219755d0538c3fa4969c31357745f6577a6786781eed563af96444227e74554162a576ca9212818
SSDEEP

6144:cNe91TWRDStNideo/7bYHzvLi/OHUBbmAkrhq9bt8BV+UdvrEFp7hKEH:Ge9VNioU7bYHjO/OHUmj0bt8BjvrEH7B

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/0x00080000000120fb-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000120fb-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1504	a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1504-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00080000000120fb-1.dat	upx
behavioral1/memory/1504-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80N.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	a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80N.exe

C:\Users\Admin\AppData\Local\Temp\a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80N.exe
"C:\Users\Admin\AppData\Local\Temp\a659de857094dc8b6520ba738c1073b8c947a584ad557eea61bea16a6cbf6f80N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1504

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

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1504-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1504-5-0x00000000011F1000-0x00000000011F2000-memory.dmp

Filesize
4KB

Download
memory/1504-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1504-6-0x00000000011F0000-0x000000000124B000-memory.dmp

Filesize
364KB

Download