Resubmissions

31-07-2024 14:36

240731-rykvcsshjd 10

31-07-2024 14:35

240731-ryc5hssgrc 3

31-07-2024 14:02

240731-rb33esxakj 10

General

  • Target

    7cb12c7eac83f0bc7f581f4b28a041c5_JaffaCakes118

  • Size

    92KB

  • Sample

    240731-rykvcsshjd

  • MD5

    7cb12c7eac83f0bc7f581f4b28a041c5

  • SHA1

    b47b064e27e0654d828f9911186e62ec385114e3

  • SHA256

    97689f3967844dd326e7a2b68e7da5b6b3967eea7748d1e3313910a16cacdf16

  • SHA512

    eb82b4431741921acdf899e3f9bf644341ccf31def0fcdb0d849a208e4ce82047c91ec08fb65ae13137d09c12382edda7c63bae8f5e6c486a9e75d8fbd97f199

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4ANWh3WB+Yjy0bPwegunu6Jnd4H94A6:Qw+asqN5aW/hLXWZWB+N0bI8Jnud4

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Targets

    • Target

      7cb12c7eac83f0bc7f581f4b28a041c5_JaffaCakes118

    • Size

      92KB

    • MD5

      7cb12c7eac83f0bc7f581f4b28a041c5

    • SHA1

      b47b064e27e0654d828f9911186e62ec385114e3

    • SHA256

      97689f3967844dd326e7a2b68e7da5b6b3967eea7748d1e3313910a16cacdf16

    • SHA512

      eb82b4431741921acdf899e3f9bf644341ccf31def0fcdb0d849a208e4ce82047c91ec08fb65ae13137d09c12382edda7c63bae8f5e6c486a9e75d8fbd97f199

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4ANWh3WB+Yjy0bPwegunu6Jnd4H94A6:Qw+asqN5aW/hLXWZWB+N0bI8Jnud4

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (558) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Event Triggered Execution: Image File Execution Options Injection

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Indicator Removal

3
T1070

File Deletion

2
T1070.004

Clear Persistence

1
T1070.009

Modify Registry

3
T1112

Direct Volume Access

1
T1006

Credential Access

Credentials from Password Stores

2
T1555

Credentials from Web Browsers

1
T1555.003

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Browser Information Discovery

1
T1217

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks