floxif | d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 06:26

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General

Target

d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49.exe
Size

234KB
MD5

4e6941c71de9b34df2667d8819596574
SHA1

7ac741827ce2cc5fb127445670a455a1fdc369d7
SHA256

d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49
SHA512

44951667a3c41bdeecc672989d49b82a10b43f5fe9abb98c68dc44541da2459047d6701a3a2e2fe197fe64a41b3136f8c9da9e8d2b59d2ff454fa6ba0ac72457
SSDEEP

3072:zwzvOYTj5YP/aKavT/DvbEvkHI2B+Nl4jz+b0atWH1TmFtotpcat8iKdlVST31OX:mjiP/aK2PH/B+rdBV+UdvrEFp7hKN

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/0x000a000000023bca-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023bca-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
392	d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bca-1.dat	upx
behavioral2/memory/392-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/392-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49.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	d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49.exe

C:\Users\Admin\AppData\Local\Temp\d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49.exe
"C:\Users\Admin\AppData\Local\Temp\d985c55f91607742244767821b078274650b5def1fa5f340e8554ffba1e02e49.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:392

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/392-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/392-5-0x0000000000F90000-0x0000000000FB9000-memory.dmp

Filesize
164KB

Download
memory/392-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download