floxif | 030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21

Analysis

max time kernel
93s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 09:23

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General

Target

030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21.exe
Size

243KB
MD5

c74b1bb19426639d00230da4cce339d3
SHA1

259e909ff510fd375bee2287b3c5fc8af6e0d314
SHA256

030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21
SHA512

4e5be413eeea2fe526a56b05e3b7f6c9caf1d8b85924fac4c85188243a80eb6a1af194c0a17ddd8630c57e4252d0449807bdcecab4eb1e565e72d535b0ea2982
SSDEEP

6144:1siP/aKzKh9H/B+3ChmBV+UdvrEFp7hKyprc:1tP/aKzKvB+yYBjvrEH7Dc

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/0x0008000000023c21-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023c21-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
5008	030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023c21-1.dat	upx
behavioral2/memory/5008-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5008-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21.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	030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5008	030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21.exe

C:\Users\Admin\AppData\Local\Temp\030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21.exe
"C:\Users\Admin\AppData\Local\Temp\030ca8b3f3fc7c73c406644149b664cdd916dd59fadfa9e3f1e7498871271d21.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5008

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/5008-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5008-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5008-5-0x0000000000650000-0x0000000000679000-memory.dmp

Filesize
164KB

Download