Overview

overview

10

Static

static

3

Fluent.exe

windows7-x64

10

Fluent.exe

windows10-1703-x64

10

Fluent.exe

windows10-2004-x64

10

Fluent.exe

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Fluent.exe

  • Size

    3.1MB

  • Sample

    240825-qty1raycnm

  • MD5

    15e81b6e3999600603d0f8b0dd22c33e

  • SHA1

    8b76e5db4c4344dc6a011310892d026f2ff95906

  • SHA256

    3a809ac2c5f55a839e15387cb84eba8adee8f402fda2736894d797a57b3e2eb1

  • SHA512

    d66610e57ea0138540d414756a8c610e5b38add2dd35f2f1d11cfe1cc5fb320f8a54db4f7a5511cee7187d508c76e62f3e44de17f51fdab0e798dba7202072a4

  • SSDEEP

    98304:FewFpuCoX7qd6lHRQJjZUd4lTpOrGRzHsAgaAYC1AH:copuCoOyHRQJjZUdPrcHsAgaAYC1Q

Score
10/10
credential_accessdiscoverypersistencespywarestealer

Malware Config

Targets

    • Target

      Fluent.exe

    • Size

      3.1MB

    • MD5

      15e81b6e3999600603d0f8b0dd22c33e

    • SHA1

      8b76e5db4c4344dc6a011310892d026f2ff95906

    • SHA256

      3a809ac2c5f55a839e15387cb84eba8adee8f402fda2736894d797a57b3e2eb1

    • SHA512

      d66610e57ea0138540d414756a8c610e5b38add2dd35f2f1d11cfe1cc5fb320f8a54db4f7a5511cee7187d508c76e62f3e44de17f51fdab0e798dba7202072a4

    • SSDEEP

      98304:FewFpuCoX7qd6lHRQJjZUd4lTpOrGRzHsAgaAYC1AH:copuCoOyHRQJjZUdPrcHsAgaAYC1Q

    Score
    10/10
    credential_accessdiscoverypersistencespywarestealer

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2behavioral3behavioral4

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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
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

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks