Overview

overview

10

Static

static

3

52300f3a3b...de.exe

windows7-x64

10

52300f3a3b...de.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    52300f3a3b0410f9450e76c833e19b4807823f7e0c91abdb3c3c8be9bf2226de

  • Size

    1.1MB

  • Sample

    250104-3a9z5avjej

  • MD5

    52e6f9c2fd4ebc2aec063ce075743bba

  • SHA1

    8cfb524bddce4f8496bd4a79a3df4bac9fcfa78f

  • SHA256

    52300f3a3b0410f9450e76c833e19b4807823f7e0c91abdb3c3c8be9bf2226de

  • SHA512

    af0517accfa37a455140f3522b6966093594719bd1c02ea703ad8de2980eb08576a35b106b7e756cb51368fd73684ff4259a77b09bce9a83e3f468d2eaa52f44

  • SSDEEP

    24576:PFOaftEqhygkPuu09cUdr4tSSiwIvx9mw/rEH7F:tu8Mse8mH

Score
10/10
floxifbackdoordiscoveryevasionpersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      52300f3a3b0410f9450e76c833e19b4807823f7e0c91abdb3c3c8be9bf2226de

    • Size

      1.1MB

    • MD5

      52e6f9c2fd4ebc2aec063ce075743bba

    • SHA1

      8cfb524bddce4f8496bd4a79a3df4bac9fcfa78f

    • SHA256

      52300f3a3b0410f9450e76c833e19b4807823f7e0c91abdb3c3c8be9bf2226de

    • SHA512

      af0517accfa37a455140f3522b6966093594719bd1c02ea703ad8de2980eb08576a35b106b7e756cb51368fd73684ff4259a77b09bce9a83e3f468d2eaa52f44

    • SSDEEP

      24576:PFOaftEqhygkPuu09cUdr4tSSiwIvx9mw/rEH7F:tu8Mse8mH

    Score
    10/10
    floxifbackdoordiscoveryevasionpersistenceprivilege_escalationtrojanupx

    • Floxif family

      floxif

    • 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

    • 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

    • UPX packed file

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

      upx
    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

1
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