Overview

overview

10

Static

static

5

X.exe

windows7-x64

10

X.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    X.exe

  • Size

    1.3MB

  • Sample

    241009-kfpbhayhmm

  • MD5

    af49cb6451da11d7dfbd743efc55a9c2

  • SHA1

    fc13b2dbf3909aa661ee4610e8b27d1f45caa6e3

  • SHA256

    40fb52053d61eb3542663031875911f9b5ca81f214b29af0aaf633e928b47449

  • SHA512

    ba35465ba79c66f2e9be25d52fe87b0d18a898122aaf3cf488af5778c0845950a7f6d147f96bd77d33497ea1cfa29e3551b9a7ae1c8b8e4c5923c301f22c00a4

  • SSDEEP

    24576:Kr/M22rDc30x5tUewSFYndCfeI+GajylnGhj9EirEuaXmSmmirrZTrEH7w:SMzxbUJndWeMln8FrmXmSm5Rt

Score
10/10
floxifbackdoordefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      X.exe

    • Size

      1.3MB

    • MD5

      af49cb6451da11d7dfbd743efc55a9c2

    • SHA1

      fc13b2dbf3909aa661ee4610e8b27d1f45caa6e3

    • SHA256

      40fb52053d61eb3542663031875911f9b5ca81f214b29af0aaf633e928b47449

    • SHA512

      ba35465ba79c66f2e9be25d52fe87b0d18a898122aaf3cf488af5778c0845950a7f6d147f96bd77d33497ea1cfa29e3551b9a7ae1c8b8e4c5923c301f22c00a4

    • SSDEEP

      24576:Kr/M22rDc30x5tUewSFYndCfeI+GajylnGhj9EirEuaXmSmmirrZTrEH7w:SMzxbUJndWeMln8FrmXmSm5Rt

    Score
    10/10
    floxifbackdoordefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationtrojanupx

    • Floxif, Floodfix

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

      backdoortrojanfloxif

    • Detects Floxif payload

      backdoor

    • Modifies Windows Firewall

      evasion

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Network Share Discovery

1
T1135

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks