Overview

overview

10

Static

static

3

627d78d9ec...91.exe

windows7-x64

10

627d78d9ec...91.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    627d78d9ec3da2ab672efd2c4b9ea424ace0cbd98ea2ca3729ab8d3582ee7691

  • Size

    3.6MB

  • Sample

    250207-a2rnmssmey

  • MD5

    924b46ba7e7fd48fc3b89a10f62e3d6f

  • SHA1

    4ea9a6cc382ddfd1a7e5fa0bd1ac79edf4350839

  • SHA256

    627d78d9ec3da2ab672efd2c4b9ea424ace0cbd98ea2ca3729ab8d3582ee7691

  • SHA512

    60d8843a4246e15972fd3eb9466930474d0c8a679dcf71b2d3afc01067a8cb26e4b5eac71669f32ecc2a8aace59fdaa198a2e1897374e7f87430b5fd8280d193

  • SSDEEP

    49152:sH2XX9nMhH9HpVYZ0CSf1pHtOUYqP3CFOrtG/JR9sXafgkDFMVR9C1UhPJXMK70D:A2XX96HhpVYZo1t0xOoGBiCV2HmdI

Score
10/10
floxifbackdoordefense_evasiondiscoverypersistenceprivilege_escalationtrojanupx

Malware Config

Targets

    • Target

      627d78d9ec3da2ab672efd2c4b9ea424ace0cbd98ea2ca3729ab8d3582ee7691

    • Size

      3.6MB

    • MD5

      924b46ba7e7fd48fc3b89a10f62e3d6f

    • SHA1

      4ea9a6cc382ddfd1a7e5fa0bd1ac79edf4350839

    • SHA256

      627d78d9ec3da2ab672efd2c4b9ea424ace0cbd98ea2ca3729ab8d3582ee7691

    • SHA512

      60d8843a4246e15972fd3eb9466930474d0c8a679dcf71b2d3afc01067a8cb26e4b5eac71669f32ecc2a8aace59fdaa198a2e1897374e7f87430b5fd8280d193

    • SSDEEP

      49152:sH2XX9nMhH9HpVYZ0CSf1pHtOUYqP3CFOrtG/JR9sXafgkDFMVR9C1UhPJXMK70D:A2XX96HhpVYZo1t0xOoGBiCV2HmdI

    Score
    10/10
    floxifbackdoordefense_evasiondiscoverypersistenceprivilege_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

      defense_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

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks