floxif | 75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 07:18

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General

Target

75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d.exe
Size

277KB
MD5

1b6e06f8a720dd1266a7bfd141db4e54
SHA1

18082de5095973a786b1055fac41ac459331f406
SHA256

75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d
SHA512

f24ce8134cbe9695a35d9520036aa388ec3143b48039d4df268da09493d6b08d8c836e97e29ef0ddd889f895456ad945ae708ad0ef05f31492fb7ad4f4c40892
SSDEEP

6144:AAhl/DRf9NC3dM7B+mCGBV+UdvrEFp7hKbX:AAhlbRf9E6B+mCGBjvrEH74X

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

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/0x000a0000000120d6-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a0000000120d6-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2236	75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000a0000000120d6-1.dat	upx
behavioral1/memory/2236-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d.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	75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d.exe

C:\Users\Admin\AppData\Local\Temp\75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d.exe
"C:\Users\Admin\AppData\Local\Temp\75263efbcaed543a51e5926ce0c91b8f00edfbd433de09ccefa39b138ffe297d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2236

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/2236-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2236-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2236-5-0x0000000000B60000-0x0000000000B95000-memory.dmp

Filesize
212KB

Download