Overview

overview

10

Static

static

3

4246470bf5...32.exe

windows7-x64

10

4246470bf5...32.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4246470bf53113ae4c57e1554710a820_exe32.exe

  • Size

    2.3MB

  • Sample

    231015-ybqknabc4s

  • MD5

    4246470bf53113ae4c57e1554710a820

  • SHA1

    d090535f75ebc437d5d757fe4555796c0e28689b

  • SHA256

    11d588f6ad5869f2740d6ea70e2b4a37bbbb8387579bdd2ef2bf0e36199c9f1d

  • SHA512

    3d81cac7bc376af19da7dd56743527eac209ab8d788ca735accbf3f19fddbb3dcfb2076484360e76cee0325e4fec0aa0a3a2504bd5275e1b29a91994523b2599

  • SSDEEP

    49152:d/LJHLVHL1HL/HLJHLJHL9HLdHLtHLtHLW:d/LJHLVHL1HL/HLJHLJHL9HLdHLtHLtK

Score
10/10
evasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      4246470bf53113ae4c57e1554710a820_exe32.exe

    • Size

      2.3MB

    • MD5

      4246470bf53113ae4c57e1554710a820

    • SHA1

      d090535f75ebc437d5d757fe4555796c0e28689b

    • SHA256

      11d588f6ad5869f2740d6ea70e2b4a37bbbb8387579bdd2ef2bf0e36199c9f1d

    • SHA512

      3d81cac7bc376af19da7dd56743527eac209ab8d788ca735accbf3f19fddbb3dcfb2076484360e76cee0325e4fec0aa0a3a2504bd5275e1b29a91994523b2599

    • SSDEEP

      49152:d/LJHLVHL1HL/HLJHLJHL9HLdHLtHLtHLW:d/LJHLVHL1HL/HLJHLJHL9HLdHLtHLtK

    Score
    10/10
    evasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Drops file in Drivers directory

    • Sets file execution options in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    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

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks