General

  • Target

    SteamRIP - 🧠-palace-of-humility [1256286199694495844].html

  • Size

    238KB

  • Sample

    240819-k6tc5swajh

  • MD5

    17ff4593972658c0964b6813e1aab14d

  • SHA1

    4d2257ff540dd6e1ab14fce6a4aa1be96721ce3b

  • SHA256

    26ecb3cd51fbaab64cfc024eabe3c0c8230001594be9b34b9e943d01fe02ea79

  • SHA512

    64367f97c622f38a74ead0b7596dfef0c282c28e35e70bb5affec99d28f9358b96eaf7af9f4fd7b85af28b9ce7887e58f8bcc83abc76946a88dba94d77d6ae63

  • SSDEEP

    1536:4MNDL8DMDahDEqlDO/RnXbvYEVoSWaoo1TREiDQcD0sFbyMzQrHPDfaS3epmxZCr:NeCuTsX8XDzsl+SRP

Malware Config

Targets

    • Target

      SteamRIP - 🧠-palace-of-humility [1256286199694495844].html

    • Size

      238KB

    • MD5

      17ff4593972658c0964b6813e1aab14d

    • SHA1

      4d2257ff540dd6e1ab14fce6a4aa1be96721ce3b

    • SHA256

      26ecb3cd51fbaab64cfc024eabe3c0c8230001594be9b34b9e943d01fe02ea79

    • SHA512

      64367f97c622f38a74ead0b7596dfef0c282c28e35e70bb5affec99d28f9358b96eaf7af9f4fd7b85af28b9ce7887e58f8bcc83abc76946a88dba94d77d6ae63

    • SSDEEP

      1536:4MNDL8DMDahDEqlDO/RnXbvYEVoSWaoo1TREiDQcD0sFbyMzQrHPDfaS3epmxZCr:NeCuTsX8XDzsl+SRP

    • 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 (516) files with added filename extension

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

    • Downloads MZ/PE file

    • 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.

    • Deletes itself

    • 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.

    • UPX packed file

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

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

1
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

2
T1012

System Information Discovery

3
T1082

Browser Information Discovery

1
T1217

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks