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Overview

overview

10

Static

static

7

10ff65f6e1...b4.exe

windows7-x64

8

10ff65f6e1...b4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    10ff65f6e1cd534ba15eb6e44d9541b4.exe

  • Size

    66KB

  • Sample

    240105-n5lhpacdb6

  • MD5

    10ff65f6e1cd534ba15eb6e44d9541b4

  • SHA1

    d5088e7f947a0b0fd86d46b7f65d595115e39484

  • SHA256

    3dced41060e1f11558c6538ea4dfcbd6511000d03f23792a45f5f1f3ea5503a2

  • SHA512

    f63e3e9a4e50a6adc61706a639b2d91a7f35862ddc2cece5e168d49a29576fa181bfe021420a1ed3cca117f103b2e3c3621aba1afc8c3d0c39c37a6bb2ebee6a

  • SSDEEP

    1536:o7OE59Vyzrc8K3WgFtKhJP+tcrVOXKzaJThZfaKhQiSEKNJh:WV5998K3WQ8fjEXKgZfnhfxuh

Score
10/10
evasionpersistenceransomwaretrojanupx

Malware Config

Targets

    • Target

      10ff65f6e1cd534ba15eb6e44d9541b4.exe

    • Size

      66KB

    • MD5

      10ff65f6e1cd534ba15eb6e44d9541b4

    • SHA1

      d5088e7f947a0b0fd86d46b7f65d595115e39484

    • SHA256

      3dced41060e1f11558c6538ea4dfcbd6511000d03f23792a45f5f1f3ea5503a2

    • SHA512

      f63e3e9a4e50a6adc61706a639b2d91a7f35862ddc2cece5e168d49a29576fa181bfe021420a1ed3cca117f103b2e3c3621aba1afc8c3d0c39c37a6bb2ebee6a

    • SSDEEP

      1536:o7OE59Vyzrc8K3WgFtKhJP+tcrVOXKzaJThZfaKhQiSEKNJh:WV5998K3WQ8fjEXKgZfnhfxuh

    Score
    10/10
    ransomwareupxevasionpersistencetrojan

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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