floxif | 3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 17:40

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General

Target

3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8N.exe
Size

1.5MB
MD5

eef440b8e40f5d784e8e55592b0c43a0
SHA1

5a60cde15c43c0dbbd900be24b7b551f966599d5
SHA256

3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8
SHA512

60fd134d3d7efd1b3c34ce927bb0ac1e1fdd2c36166693bbe805806b94e0596500a7ba5467aa3ab9041a9fe824453699c200482d16e9b852def803a011d5a462
SSDEEP

24576:87iO6zxNJdC8+9bC70Etm23+x8bJSnWpUxdLE86rtROxrEH77:V3zW8A2+ibJSnyo6rtRN

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/0x00080000000120fe-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000120fe-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2308	3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000120fe-1.dat	upx
behavioral1/memory/2308-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2308-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8N.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	3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8N.exe

C:\Users\Admin\AppData\Local\Temp\3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8N.exe
"C:\Users\Admin\AppData\Local\Temp\3356fb92480f63856adcda2d65d6736a38dd94988c9db79364118abda6051fe8N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2308

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/2308-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2308-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2308-5-0x0000000000400000-0x0000000000568000-memory.dmp

Filesize
1.4MB

Download