Overview

overview

8

Static

static

3

Fleasion-v2.2.1.exe

windows11-21h2-x64

8

Sharing

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General

  • Target
    Fleasion-v2.2.1.exe
  • Size 130.8MB
  • Sample260703-kp2cesd141
  • SHA256 a4188784db4d0003ee9d68c854a6fbbdf522e8d99465432c4262640cc3b2f2e6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationpyinstallerspywaretrojan

Malware Config

Targets

    • Target
      Fleasion-v2.2.1.exe
    • Size 130.8MB
    • SHA256 a4188784db4d0003ee9d68c854a6fbbdf522e8d99465432c4262640cc3b2f2e6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywaretrojan

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates processes with tasklist

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Query Registry

5
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks