Overview

overview

10

Static

static

3

NEAS.95fcb...JC.exe

windows7-x64

10

NEAS.95fcb...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.95fcb8fc834ab0533585cfa629d87d20_JC.exe

  • Size

    320KB

  • Sample

    231022-qf72hagf3y

  • MD5

    95fcb8fc834ab0533585cfa629d87d20

  • SHA1

    b3a360c6a85e406acfb7a148002851fb92d364c8

  • SHA256

    62a8bc447f1a3bf65e81a54a5d4b42fe109d2b57b012c0e4bef9e0734f059ec0

  • SHA512

    0f4439ba95ce4b10e7e26c94cd75d0ff87111df7dec81f741df34efd5f6eb2c4c141758b29a7446bda57abcb59854f31277720cbd853e6cc647a076e36a5112a

  • SSDEEP

    3072:D7TQlatyYePxiFVJ7TQlatyYePxiFVl7TQlatyYePxiFVL7TQlatyYePxiFVB7TJ:3TQt8JTQt8VTQt8vTQt8RTQt8XTQtY

Score
10/10
evasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      NEAS.95fcb8fc834ab0533585cfa629d87d20_JC.exe

    • Size

      320KB

    • MD5

      95fcb8fc834ab0533585cfa629d87d20

    • SHA1

      b3a360c6a85e406acfb7a148002851fb92d364c8

    • SHA256

      62a8bc447f1a3bf65e81a54a5d4b42fe109d2b57b012c0e4bef9e0734f059ec0

    • SHA512

      0f4439ba95ce4b10e7e26c94cd75d0ff87111df7dec81f741df34efd5f6eb2c4c141758b29a7446bda57abcb59854f31277720cbd853e6cc647a076e36a5112a

    • SSDEEP

      3072:D7TQlatyYePxiFVJ7TQlatyYePxiFVl7TQlatyYePxiFVL7TQlatyYePxiFVB7TJ:3TQt8JTQt8VTQt8vTQt8RTQt8XTQtY

    Score
    10/10
    evasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Drops file in Drivers directory

    • Sets file execution options in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks