Overview

overview

10

Static

static

7

NEAS.4c0c0...JC.exe

windows7-x64

10

NEAS.4c0c0...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.4c0c0fa9b12b2d2b2cc7bcba7db975cd_JC.exe

  • Size

    45KB

  • Sample

    231007-mtn9rsdc47

  • MD5

    4c0c0fa9b12b2d2b2cc7bcba7db975cd

  • SHA1

    5fb125ea098c8d6663852fc5705907bedcb64031

  • SHA256

    0927cd146c7d69a946c595c8c03112cd87709ca02aaf2b91cad4a54d6f6ab575

  • SHA512

    83b4b55788f6389cefd3ce315edaa51f120fb71be30aa1867c2ee398414414c7d990d5be9dd0c9dbe38989e0288e6aeb20e8d4caa586497ec20f8fa21bf2bb93

  • SSDEEP

    768:CcMJOcV8OrUpdJ8WbqpD3TORaEXowekfKP:yOcjUpkWb2TTgKwuP

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      NEAS.4c0c0fa9b12b2d2b2cc7bcba7db975cd_JC.exe

    • Size

      45KB

    • MD5

      4c0c0fa9b12b2d2b2cc7bcba7db975cd

    • SHA1

      5fb125ea098c8d6663852fc5705907bedcb64031

    • SHA256

      0927cd146c7d69a946c595c8c03112cd87709ca02aaf2b91cad4a54d6f6ab575

    • SHA512

      83b4b55788f6389cefd3ce315edaa51f120fb71be30aa1867c2ee398414414c7d990d5be9dd0c9dbe38989e0288e6aeb20e8d4caa586497ec20f8fa21bf2bb93

    • SSDEEP

      768:CcMJOcV8OrUpdJ8WbqpD3TORaEXowekfKP:yOcjUpkWb2TTgKwuP

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks