Overview

overview

10

Static

static

3

58d72eed4b...0N.exe

windows7-x64

10

58d72eed4b...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    58d72eed4b1c417da944d222872f3680N.exe
  • Size 1.5MB
  • Sample240823-xsflcatbpl
  • SHA256 6ccf3cc4749e22bf91defc2a7356c90c165e4c960d89c796e2b7ba0797f7eb54
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
floxifbackdoordiscoveryevasionpersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target
      58d72eed4b1c417da944d222872f3680N.exe
    • Size 1.5MB
    • SHA256 6ccf3cc4749e22bf91defc2a7356c90c165e4c960d89c796e2b7ba0797f7eb54
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    floxifbackdoordiscoveryevasionpersistencetrojanupxprivilege_escalation

    • Floxif, Floodfix

      Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

      backdoortrojanfloxif

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Detects Floxif payload

      backdoor

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

      persistenceprivilege_escalation

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks