Overview

overview

8

Static

static

1

MEMZ-virus

windows11-21h2-x64

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General

  • Target

    MEMZ-virus

  • Size

    248KB

  • Sample

    241031-1m879askhw

  • MD5

    b1256cd74e8b6a1c50645231e32f1b90

  • SHA1

    e24e73e4654a02ef46dc18d53dc32fe48fdd8b21

  • SHA256

    a50bd90d9984f5dedf7197e2e9a3b33460135026ddf2612bbb96847a1c4d0b2c

  • SHA512

    b99a2c1ba374708d2a3e2c89bc009bb40cc4f26bd68826deae0aaf91b20995f19081105313188ad42b77bc7347c208704a0d65f711c34dacfd5098bd22d4e5ac

  • SSDEEP

    6144:bRoukpOL/saqkPV9FemLtcsDSsmwx9EvZJT3CqbMrhryf65NRPaCieMjAkvCJv1m:FoukpOL/saqkPV9FemLtcsDSsmwx9Evb

Score
8/10
defense_evasiondiscoveryexploitpersistenceprivilege_escalation

Malware Config

Targets

    • Target

      MEMZ-virus

    • Size

      248KB

    • MD5

      b1256cd74e8b6a1c50645231e32f1b90

    • SHA1

      e24e73e4654a02ef46dc18d53dc32fe48fdd8b21

    • SHA256

      a50bd90d9984f5dedf7197e2e9a3b33460135026ddf2612bbb96847a1c4d0b2c

    • SHA512

      b99a2c1ba374708d2a3e2c89bc009bb40cc4f26bd68826deae0aaf91b20995f19081105313188ad42b77bc7347c208704a0d65f711c34dacfd5098bd22d4e5ac

    • SSDEEP

      6144:bRoukpOL/saqkPV9FemLtcsDSsmwx9EvZJT3CqbMrhryf65NRPaCieMjAkvCJv1m:FoukpOL/saqkPV9FemLtcsDSsmwx9Evb

    Score
    8/10
    defense_evasiondiscoveryexploitpersistenceprivilege_escalation

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

      exploit

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Accessibility Features

1
T1546.008

Privilege Escalation

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Accessibility Features

1
T1546.008

Defense Evasion

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Network Share Discovery

1
T1135

Query Registry

3
T1012

System Information Discovery

1
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

Web Service

1
T1102

Exfiltration

Impact

Tasks