Overview

overview

10

Static

static

3

NEAS.8c581...40.exe

windows7-x64

3

NEAS.8c581...40.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    NEAS.8c58178cce60315f48426ceb3a78de40.exe

  • Size

    330KB

  • Sample

    231022-vyak6sgg66

  • MD5

    8c58178cce60315f48426ceb3a78de40

  • SHA1

    b8f02813e5800c242ed08e5c4781cd544bcc4758

  • SHA256

    36db8181d0db8aa9fc8d85c355c83ce5ee6354446c4d1c21de3b1985afcc7442

  • SHA512

    b54578a51093de2a13b26a451ae9490a35c369a87346c9ad10e94a5bf566ec74ff50539eb2e6dd396e16751483225d4c8e35d06c00047ec3b3d5baa6b6c9bbc1

  • SSDEEP

    6144:yY+32WWluqvHpVmXWEjFJRWci+WUd201UU5EYCTvaBjuYSsQLH5AKf:hnWwvHpVmXpjJIUd2iUusvaldSsPKf

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      NEAS.8c58178cce60315f48426ceb3a78de40.exe

    • Size

      330KB

    • MD5

      8c58178cce60315f48426ceb3a78de40

    • SHA1

      b8f02813e5800c242ed08e5c4781cd544bcc4758

    • SHA256

      36db8181d0db8aa9fc8d85c355c83ce5ee6354446c4d1c21de3b1985afcc7442

    • SHA512

      b54578a51093de2a13b26a451ae9490a35c369a87346c9ad10e94a5bf566ec74ff50539eb2e6dd396e16751483225d4c8e35d06c00047ec3b3d5baa6b6c9bbc1

    • SSDEEP

      6144:yY+32WWluqvHpVmXWEjFJRWci+WUd201UU5EYCTvaBjuYSsQLH5AKf:hnWwvHpVmXpjJIUd2iUusvaldSsPKf

    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 use of System Restore points

      evasion

    • Sets file execution options in registry

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • 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

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

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

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

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks