Overview

overview

10

Static

static

3

2024-07-23...ma.exe

windows7-x64

10

2024-07-23...ma.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-07-23_2199daaee68735438d715f6e7e85e4f4_crysis_dharma

  • Size

    92KB

  • Sample

    240723-x3xbvatcnr

  • MD5

    2199daaee68735438d715f6e7e85e4f4

  • SHA1

    de92ee33ecc040c405953c62d00710cee3a0f3f4

  • SHA256

    a275e4412f7d6a12c3bb628a7a846eb7078cd5ce4a1fc3d4a14bcae53dea6a1a

  • SHA512

    42c4ae069ffe698e3b997eb80ff3099239b59f15f0d4fcfe7ec80604fcbdc7bc04169143c2809fcfcf3eb04200ab2528e54df83787fcb46421f460f046678d54

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AXmBvI6TFvXyd1KP8GM2LsZWdtg:Qw+asqN5aW/hLBmlMqF7d

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
ZILLA Don't worry, you can return all your files! If you want to restore them, write to the mail: [email protected] YOUR ID [email protected] Free decryption as guarantee Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 3Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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

      2024-07-23_2199daaee68735438d715f6e7e85e4f4_crysis_dharma

    • Size

      92KB

    • MD5

      2199daaee68735438d715f6e7e85e4f4

    • SHA1

      de92ee33ecc040c405953c62d00710cee3a0f3f4

    • SHA256

      a275e4412f7d6a12c3bb628a7a846eb7078cd5ce4a1fc3d4a14bcae53dea6a1a

    • SHA512

      42c4ae069ffe698e3b997eb80ff3099239b59f15f0d4fcfe7ec80604fcbdc7bc04169143c2809fcfcf3eb04200ab2528e54df83787fcb46421f460f046678d54

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AXmBvI6TFvXyd1KP8GM2LsZWdtg:Qw+asqN5aW/hLBmlMqF7d

    Score
    10/10
    dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • Dharma

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

      ransomwaredharma

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (322) files with added filename extension

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

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup file

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
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

1
T1012

System Information Discovery

2
T1082

Browser Information Discovery

1
T1217

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Resource Development

Reconnaissance

Tasks