floxif | 56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 06:05

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General

Target

56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8.exe
Size

234KB
MD5

365ecb491d11fe3be4fd91f1b4fa65aa
SHA1

1df7b03f43c948c57992ab408b9abc492fe29a5a
SHA256

56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8
SHA512

35c782b92e21e7306b0d8f47ac279f1706b5920da9655e15158ea303fdce5bb00d16757d1bf476f8a2d014c424b4e5810f424e7b50c5f09f9b5fcbd1426c901b
SSDEEP

3072:uwzvOYTW5YP/aKavT/DvbEvR4I2B+flkL7OjUuxGftPyhdY55s2ZUuyNFhyzzZis:bWiP/aK2U4/B+/kBV+UdvrEFp7hKn

Score

10^/10

floxif backdoor discovery persistence privilege_escalation 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/0x000b00000001225c-1.dat	floxif

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b00000001225c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3040	56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b00000001225c-1.dat	upx
behavioral1/memory/3040-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8.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	56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8.exe

C:\Users\Admin\AppData\Local\Temp\56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8.exe
"C:\Users\Admin\AppData\Local\Temp\56532fa6121aa8a85383bce21357d3d0d95582cec21b8148a086bf01058e51b8.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3040-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3040-5-0x0000000000BA0000-0x0000000000BC9000-memory.dmp

Filesize
164KB

Download
memory/3040-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download