Overview

overview

10

Static

static

3

a0634397dc...18.exe

windows7-x64

10

a0634397dc...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a0634397dc49c9fb1a33c62321134715_JaffaCakes118

  • Size

    323KB

  • Sample

    240816-3kfh9sthnf

  • MD5

    a0634397dc49c9fb1a33c62321134715

  • SHA1

    94c4a5d0a4ad6001a6e8138e03908534973a5d80

  • SHA256

    1b4ffe0ae4b4f3b3bbcb0d1c7de8df4422111484113c70ef9e125262ae2f0b1b

  • SHA512

    3e2c35bb81bce27e13420a094202e28855cdd997ab32ffd6ebf5c8355632deeb75e347c8906c1e5a189ee3cf34136d4c8c12855b016f733d429aa7e8492276d4

  • SSDEEP

    6144:SBxeN/Tdx8YzL+4eBDgelLBL9C5X53TV5n+yNXavM:SBxe9dx8Yz6nhtL9C5X53TV5n+4av

Score
10/10
discoveryevasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      a0634397dc49c9fb1a33c62321134715_JaffaCakes118

    • Size

      323KB

    • MD5

      a0634397dc49c9fb1a33c62321134715

    • SHA1

      94c4a5d0a4ad6001a6e8138e03908534973a5d80

    • SHA256

      1b4ffe0ae4b4f3b3bbcb0d1c7de8df4422111484113c70ef9e125262ae2f0b1b

    • SHA512

      3e2c35bb81bce27e13420a094202e28855cdd997ab32ffd6ebf5c8355632deeb75e347c8906c1e5a189ee3cf34136d4c8c12855b016f733d429aa7e8492276d4

    • SSDEEP

      6144:SBxeN/Tdx8YzL+4eBDgelLBL9C5X53TV5n+yNXavM:SBxe9dx8Yz6nhtL9C5X53TV5n+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