Overview

overview

10

Static

static

3

NEAS.c9004...90.exe

windows7-x64

10

NEAS.c9004...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.c90042e7f31c8a268a331c3f717c3b90.exe

  • Size

    323KB

  • Sample

    231103-q44nzsbf4z

  • MD5

    c90042e7f31c8a268a331c3f717c3b90

  • SHA1

    707ccf07367221acebee88fc670cf39eb6c0038f

  • SHA256

    8cd0e68f3536147e63202ede9f4bcd5ccb07eecf719fd6d68adcd377a2bf45e6

  • SHA512

    87dfe51a70c39f9ef8aabf657ab0b04354d2d513083c8f6211c12cd9d90c055c697fd254958b2058b574aa1d6596d2d4bd60cddc4a3b5fb2fcd6398b07e4890a

  • SSDEEP

    6144:jBxeN/Tdx8YzL+4eBDgelLBL9C53TV5n+yNXavM:jBxe9dx8Yz6nhtL9C53TV5n+4av

Score
10/10
evasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      NEAS.c90042e7f31c8a268a331c3f717c3b90.exe

    • Size

      323KB

    • MD5

      c90042e7f31c8a268a331c3f717c3b90

    • SHA1

      707ccf07367221acebee88fc670cf39eb6c0038f

    • SHA256

      8cd0e68f3536147e63202ede9f4bcd5ccb07eecf719fd6d68adcd377a2bf45e6

    • SHA512

      87dfe51a70c39f9ef8aabf657ab0b04354d2d513083c8f6211c12cd9d90c055c697fd254958b2058b574aa1d6596d2d4bd60cddc4a3b5fb2fcd6398b07e4890a

    • SSDEEP

      6144:jBxeN/Tdx8YzL+4eBDgelLBL9C53TV5n+yNXavM:jBxe9dx8Yz6nhtL9C53TV5n+4av

    Score
    10/10
    evasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables cmd.exe use via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Sets file execution options in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

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

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

8
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks