Overview

overview

10

Static

static

3

cdab890526...ce.exe

windows7-x64

10

cdab890526...ce.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cdab890526d7dd2eb0add3313ee69ae4054ea92bd51db99f4f30de4b416c7dce

  • Size

    323KB

  • Sample

    240811-czzycavfja

  • MD5

    05e5c77a6a6e0eea7e062114c9aa64a5

  • SHA1

    82ecaed4204e5cb5d345b4a98159556e8226644d

  • SHA256

    cdab890526d7dd2eb0add3313ee69ae4054ea92bd51db99f4f30de4b416c7dce

  • SHA512

    cb7ce9f590379f6de63521a2c50c3215bb0755b99b2ed584f5b48954bea887339b677f419388a356ae2c99c7fe1e4c23486f514bd902de7f5b33086a72e280e1

  • SSDEEP

    6144:WBxeN/Tdx8YzL+4eBDgelLBL9C53TV5n+yNXavM:WBxe9dx8Yz6nhtL9C53TV5n+4av

Score
10/10
discoveryevasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      cdab890526d7dd2eb0add3313ee69ae4054ea92bd51db99f4f30de4b416c7dce

    • Size

      323KB

    • MD5

      05e5c77a6a6e0eea7e062114c9aa64a5

    • SHA1

      82ecaed4204e5cb5d345b4a98159556e8226644d

    • SHA256

      cdab890526d7dd2eb0add3313ee69ae4054ea92bd51db99f4f30de4b416c7dce

    • SHA512

      cb7ce9f590379f6de63521a2c50c3215bb0755b99b2ed584f5b48954bea887339b677f419388a356ae2c99c7fe1e4c23486f514bd902de7f5b33086a72e280e1

    • SSDEEP

      6144:WBxeN/Tdx8YzL+4eBDgelLBL9C53TV5n+yNXavM:WBxe9dx8Yz6nhtL9C53TV5n+4av

    Score
    10/10
    discoveryevasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • 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

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

3
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

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks