floxif | 89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 04:31

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General

Target

89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.exe
Size

407KB
MD5

469331d6c48cd5f25fd98ec753227bd1
SHA1

9e2f7bd84442b3df63b91b9cebdde1c248c10323
SHA256

89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62
SHA512

8a85b3cf93d409d4806e608184d2a836df0468d2a19960dd3bf8b21fff8a5d634d8f073cd9a45bb37ba74f99ae29a18d228104c14caa795ec030770294e1c34d
SSDEEP

6144:L+5wI8Ec3nSt6BtdIZ2I1fyU265BgpfmPoaQoBnDuiMi8EPLBV+UdvrEFp7hK0Z:LywVB/IZ2WH2/lcZmEPLBjvrEH7zZ

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/0x00080000000120ff-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000120ff-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2372	89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000120ff-1.dat	upx
behavioral1/memory/2372-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2372-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.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	89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2372	89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.exe

C:\Users\Admin\AppData\Local\Temp\89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.exe
"C:\Users\Admin\AppData\Local\Temp\89b8cb1ec13fe3ec7f165fd438a2696105189822da38304d1bb9d873097fad62.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2372

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/2372-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2372-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download