floxif | de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8c

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 15:56

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General

Target

de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8cN.exe
Size

246KB
MD5

9f24a7749d3db6b192593fe7a90cd2d0
SHA1

675bc21ff28e35ce1b05beabc5da09d581d34896
SHA256

de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8c
SHA512

4f590004b4edf9163e12f1ccfe23e17c318003e7b18bb08981d500b076ada3297e4ebe168db07d0d38fc085d855af320aff109139c28f8583cba026613734512
SSDEEP

6144:7d/ubozZ25TFhA1MpiGBV+UdvrEFp7hKt+:7dWAWT+SBjvrEH7w+

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/0x0007000000012117-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000012117-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2004	de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8cN.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012117-1.dat	upx
behavioral1/memory/2004-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2004-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8cN.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	de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8cN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8cN.exe

C:\Users\Admin\AppData\Local\Temp\de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8cN.exe
"C:\Users\Admin\AppData\Local\Temp\de86720847aabd14fc4e0cf7b1c0cb9704e476a1f368d5972c61f0947a6f9b8cN.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2004

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/2004-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2004-5-0x000000000040C000-0x000000000040F000-memory.dmp

Filesize
12KB

Download
memory/2004-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download