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Overview

overview

10

Static

static

3

NEAS.a79f4...87.exe

windows7-x64

10

NEAS.a79f4...87.exe

windows10-2004-x64

10

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General

  • Target

    NEAS.a79f417926edcc29755359242fe32f87.exe

  • Size

    311KB

  • Sample

    231115-tsatbade9w

  • MD5

    a79f417926edcc29755359242fe32f87

  • SHA1

    ba8cdac6b43ec4437b8ef71b818f5f0d59019b62

  • SHA256

    cf60c74e7ef3a1997c7f9b7cdfd9719ed194f3fef980cbe7f6d117ea3f3919a1

  • SHA512

    c4fc53a81fb23490e63d169f15d571d04bded3bf393c12dd9c7f7390a4c295c080d211f75387379b93bbf8e5a88242df77c168ff522a1d7abe8fe9eeb6d87945

  • SSDEEP

    6144:7Y+32WWluqvHpVmXWEjFJRWci+WUd20rUU5EYCTvaBju4r:0nWwvHpVmXpjJIUd2cUusvalxr

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      NEAS.a79f417926edcc29755359242fe32f87.exe

    • Size

      311KB

    • MD5

      a79f417926edcc29755359242fe32f87

    • SHA1

      ba8cdac6b43ec4437b8ef71b818f5f0d59019b62

    • SHA256

      cf60c74e7ef3a1997c7f9b7cdfd9719ed194f3fef980cbe7f6d117ea3f3919a1

    • SHA512

      c4fc53a81fb23490e63d169f15d571d04bded3bf393c12dd9c7f7390a4c295c080d211f75387379b93bbf8e5a88242df77c168ff522a1d7abe8fe9eeb6d87945

    • SSDEEP

      6144:7Y+32WWluqvHpVmXWEjFJRWci+WUd20rUU5EYCTvaBju4r:0nWwvHpVmXpjJIUd2cUusvalxr

    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

    • 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

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