floxif | f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11/01/2025, 08:29

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General

Target

f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08N.exe
Size

1.5MB
MD5

5c7befde17edd5017ad140796aeb7020
SHA1

10302dd1d3637d47e52a6788f2a5bc118dd78a1c
SHA256

f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08
SHA512

3d1235a1671e84bdefdc11bf1d3d6f7a91bd59fa365c3a20882e0d9bed504722e5df40bf0d764b8f976898bf0accbedad4cda5e7eeda59a5c8e4d3944a09f15b
SSDEEP

24576:Ya6ZdpKZ7l/i9oDBcG1TFhcmTIHgqM6j86iT/+o20GljGYufOsJrEH7t:f6rpKZGoDBcG1TM8+oYljGXf52

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/0x000c000000012280-1.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/0x000c000000012280-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2064	f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000012280-1.dat	upx
behavioral1/memory/2064-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2064-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08N.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	f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08N.exe

C:\Users\Admin\AppData\Local\Temp\f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08N.exe
"C:\Users\Admin\AppData\Local\Temp\f0530c90091cce4f2bad99763401497c350726be48318d1b8c3e846caf2e7c08N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2064

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

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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/2064-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2064-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2064-5-0x0000000000B40000-0x0000000000CBD000-memory.dmp

Filesize
1.5MB

Download