floxif | b4bb6308c50aa8c64366cf085db811e9ba7b2bffb3c6e4e202f0558326ef4626 | Triage

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Overview

overview

Static

static

1

b4bb6308c5...26.exe

windows7-x64

b4bb6308c5...26.exe

windows10-2004-x64

Sharing

General

Target

b4bb6308c50aa8c64366cf085db811e9ba7b2bffb3c6e4e202f0558326ef4626
Size

286KB
Sample

250209-htwlmazqal
MD5

4dbb098ea00f6a0e8e96873dba4cf46a
SHA1

646e2ef5aabbe5f71fe34b9469b382785c4e0b06
SHA256

b4bb6308c50aa8c64366cf085db811e9ba7b2bffb3c6e4e202f0558326ef4626
SHA512

0a6855f2c0d5d29ef11a350f8e46a3966657cccc1f1879aead0ca90e601604e47d5824dcc9b72fb4f39c37ce5fb6ccd2e7b4579f2f3b63f1220d4374cae88bd8
SSDEEP

6144:J7gKNkhSCBkHouyXnZhB+R8WHqBV+UdvrEFp7hKdc:J7gKNkhTxuyXnPB+R8WHqBjvrEH78c

Score

10^/10

floxif backdoor discovery persistence privilege_escalation trojan upx

Static task

static1

Behavioral task

behavioral1

Sample

b4bb6308c50aa8c64366cf085db811e9ba7b2bffb3c6e4e202f0558326ef4626.exe

Resource

win7-20241010-en

floxif backdoor discovery trojan upx

windows7-x64

9 signatures

150 seconds

Behavioral task

behavioral2

Sample

b4bb6308c50aa8c64366cf085db811e9ba7b2bffb3c6e4e202f0558326ef4626.exe

Resource

win10v2004-20250207-en

floxif backdoor discovery persistence privilege_escalation trojan upx

windows10-2004-x64

12 signatures

150 seconds

Malware Config

Targets

- Target
  
  b4bb6308c50aa8c64366cf085db811e9ba7b2bffb3c6e4e202f0558326ef4626
- Size
  
  286KB
- MD5
  
  4dbb098ea00f6a0e8e96873dba4cf46a
- SHA1
  
  646e2ef5aabbe5f71fe34b9469b382785c4e0b06
- SHA256
  
  b4bb6308c50aa8c64366cf085db811e9ba7b2bffb3c6e4e202f0558326ef4626
- SHA512
  
  0a6855f2c0d5d29ef11a350f8e46a3966657cccc1f1879aead0ca90e601604e47d5824dcc9b72fb4f39c37ce5fb6ccd2e7b4579f2f3b63f1220d4374cae88bd8
- SSDEEP
  
  6144:J7gKNkhSCBkHouyXnZhB+R8WHqBV+UdvrEFp7hKdc:J7gKNkhTxuyXnPB+R8WHqBjvrEH78c
Score

10^/10

floxif backdoor discovery trojan upx persistence privilege_escalation
- Floxif family
  floxif
- Floxif, Floodfix
  Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
  backdoor trojan floxif
- Detects Floxif payload
  backdoor
- Downloads MZ/PE file
- Event Triggered Execution: AppInit DLLs
  Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
  persistence privilege_escalation
- ACProtect 1.3x - 1.4x DLL software
  Detects file using ACProtect software.
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

AppInit DLLs

Privilege Escalation

Event Triggered Execution

AppInit DLLs

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

floxifbackdoordiscoverytrojanupx

behavioral2

floxifbackdoordiscoverypersistenceprivilege_escalationtrojanupx

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