Overview

overview

10

Static

static

7

8cfac7be01...ad.exe

windows7-x64

10

8cfac7be01...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8cfac7be017f4c29333dd10bee7e4dce80a4c82734125ef6de4baedf65db70ad

  • Size

    57KB

  • Sample

    240805-3y6bvasfnp

  • MD5

    ea4d08376149f136799d8692c4d08bd8

  • SHA1

    2da2228086e3dc0322d4a8388b2af86ab01f9025

  • SHA256

    8cfac7be017f4c29333dd10bee7e4dce80a4c82734125ef6de4baedf65db70ad

  • SHA512

    53b1b77a89d8d4ddd005823e21d1aa7a5e209130f529dedbc17705b4e97b1f246e7f59cb8ae41625917112e0c3e08d19b80f3294bbd4334ab52e810cda75def3

  • SSDEEP

    768:Nh5sxVPFXfgaDjof4ZgHqLNhldu8pGTUTY26TsGrn5wFbUzMsPzB5aXwekfp:NHsxFJfgaDjofVKn1pGwTJOlw1Urmwl

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      8cfac7be017f4c29333dd10bee7e4dce80a4c82734125ef6de4baedf65db70ad

    • Size

      57KB

    • MD5

      ea4d08376149f136799d8692c4d08bd8

    • SHA1

      2da2228086e3dc0322d4a8388b2af86ab01f9025

    • SHA256

      8cfac7be017f4c29333dd10bee7e4dce80a4c82734125ef6de4baedf65db70ad

    • SHA512

      53b1b77a89d8d4ddd005823e21d1aa7a5e209130f529dedbc17705b4e97b1f246e7f59cb8ae41625917112e0c3e08d19b80f3294bbd4334ab52e810cda75def3

    • SSDEEP

      768:Nh5sxVPFXfgaDjof4ZgHqLNhldu8pGTUTY26TsGrn5wFbUzMsPzB5aXwekfp:NHsxFJfgaDjofVKn1pGwTJOlw1Urmwl

    Score
    10/10
    discoveryevasionpersistenceupx

    • 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

    • 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.

    • 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks