Overview

overview

10

Static

static

3

NEAS.4f757...80.exe

windows7-x64

10

NEAS.4f757...80.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.4f757249c3f22bf847cc809d4590e880.exe

  • Size

    147KB

  • Sample

    231103-qfrphsah41

  • MD5

    4f757249c3f22bf847cc809d4590e880

  • SHA1

    f6d7d9f61811b7550c3ad9269e33ce322b61f97d

  • SHA256

    eef35320a71d05a76daec9c0622bd7d431d67cd8052eb4aa5afc7655db721f55

  • SHA512

    66dfb09386da57cf2933e66003669f73ed45bba21023c244a711f61b39990c1b40422c6d34e38a1b7047b6fc0fadd30092f83e6307a63479c119322dcbbccde5

  • SSDEEP

    1536:oWwaMcKOER0m9mwWt/TAggupnhycpDnq+5h/tDSZ15WwdGB:pzKR0xwWWWnhFpDRzSZaCGB

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      NEAS.4f757249c3f22bf847cc809d4590e880.exe

    • Size

      147KB

    • MD5

      4f757249c3f22bf847cc809d4590e880

    • SHA1

      f6d7d9f61811b7550c3ad9269e33ce322b61f97d

    • SHA256

      eef35320a71d05a76daec9c0622bd7d431d67cd8052eb4aa5afc7655db721f55

    • SHA512

      66dfb09386da57cf2933e66003669f73ed45bba21023c244a711f61b39990c1b40422c6d34e38a1b7047b6fc0fadd30092f83e6307a63479c119322dcbbccde5

    • SSDEEP

      1536:oWwaMcKOER0m9mwWt/TAggupnhycpDnq+5h/tDSZ15WwdGB:pzKR0xwWWWnhFpDRzSZaCGB

    Score
    10/10
    evasionpersistence

    • 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 cmd.exe use via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • 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.

    • Modifies WinLogon

      persistence

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    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

1
T1547.001

Winlogon Helper DLL

2
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

1
T1547.001

Winlogon Helper DLL

2
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

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks