Overview

overview

10

Static

static

3

cda8200019...bd.exe

windows7-x64

10

cda8200019...bd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cda8200019a81510328408e8a75949bd

  • Size

    137KB

  • Sample

    240316-k2jcdafg8x

  • MD5

    cda8200019a81510328408e8a75949bd

  • SHA1

    7db2c6da2dc1ac2608af06b7e262bd5ff0ba59fa

  • SHA256

    d94b482329b31cc52a7262afc09a005b8f3923a719821c7d6febeb477431e1d8

  • SHA512

    9c9602e3d8b0bc656e9c725e59f084bf9f55a7d1cab2b543334abcfde9530570e9edb5b9c3d6a14e87de7fe22cb714f8838ac88fd2395f0353472794e8395351

  • SSDEEP

    3072:IpWC4YgBPlGiyllnpWC4YgBPlGiyllfpWC4YgBPlGiyll6:2WC4YgB9GiyxWC4YgB9GiypWC4YgB9Gu

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      cda8200019a81510328408e8a75949bd

    • Size

      137KB

    • MD5

      cda8200019a81510328408e8a75949bd

    • SHA1

      7db2c6da2dc1ac2608af06b7e262bd5ff0ba59fa

    • SHA256

      d94b482329b31cc52a7262afc09a005b8f3923a719821c7d6febeb477431e1d8

    • SHA512

      9c9602e3d8b0bc656e9c725e59f084bf9f55a7d1cab2b543334abcfde9530570e9edb5b9c3d6a14e87de7fe22cb714f8838ac88fd2395f0353472794e8395351

    • SSDEEP

      3072:IpWC4YgBPlGiyllnpWC4YgBPlGiyllfpWC4YgBPlGiyll6:2WC4YgB9GiyxWC4YgB9GiypWC4YgB9Gu

    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