floxif | d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 00:58

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General

Target

d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910N.exe
Size

522KB
MD5

c33fc3f29e961849b3865ad52c86e490
SHA1

35edde51587ce994417e23f907bb3f86fc1a6468
SHA256

d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910
SHA512

f2ece97b481f27f0ef01f44a3281f06454717841a8afa2fdd85a418e87b7f06b6c8125ebf60fa2c83e5bf46e430b2337f905d3488156d072db85877a4e02f384
SSDEEP

12288:3jEHjlFFonykINc2a06aItikZf4Y0lOn70bjBjvrEH7E:IlFfNF36JtdwMngdrEH7E

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/0x000e000000013a51-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000e000000013a51-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2136	d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2136-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000e000000013a51-1.dat	upx
behavioral1/memory/2136-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910N.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	d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910N.exe

C:\Users\Admin\AppData\Local\Temp\d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910N.exe
"C:\Users\Admin\AppData\Local\Temp\d9d250a062a525851b5036fafc0e25b7bcc263fa6948678d12d2bffa05be8910N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2136

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/2136-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2136-5-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download