Resubmissions

18-04-2024 20:02

240418-yr4gfsef9v 10

18-04-2024 19:59

240418-yqw1zsef5z 10

23-03-2024 00:07

240323-aearlsag84 10

20-03-2024 19:20

240320-x17psshe51 10

20-03-2024 19:18

240320-xz2gdshe3t 10

19-03-2024 21:09

240319-zzr9tsgd4t 10

General

  • Target

    GH0ST.exe

  • Size

    127KB

  • Sample

    240418-yqw1zsef5z

  • MD5

    90b828929de1319e5b9bf94f4ae990b3

  • SHA1

    8fc41267cfb9f057e78beca15b775d20fb01434b

  • SHA256

    14592b6ee58e6c1abe76e8148f087b1da84f54892b1cca31540dd728298bb185

  • SHA512

    57e50e8c3e424980bfb96d4d1862e998efd50e45df25478fc80537a67a27b8d7aa8cce00400e0126216395205946a38876a2ff494b74d86043c5e5779a4b5921

  • SSDEEP

    3072:oDk4Rq96liXWAPEV9Ue4znvqg2WVrxuF:h4Rq9UCW7WhZx

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\read_it.txt

Ransom Note
Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :test@test.com ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: test2@test.com) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)
Emails

test@test.com

test2@test.com

Targets

    • Target

      GH0ST.exe

    • Size

      127KB

    • MD5

      90b828929de1319e5b9bf94f4ae990b3

    • SHA1

      8fc41267cfb9f057e78beca15b775d20fb01434b

    • SHA256

      14592b6ee58e6c1abe76e8148f087b1da84f54892b1cca31540dd728298bb185

    • SHA512

      57e50e8c3e424980bfb96d4d1862e998efd50e45df25478fc80537a67a27b8d7aa8cce00400e0126216395205946a38876a2ff494b74d86043c5e5779a4b5921

    • SSDEEP

      3072:oDk4Rq96liXWAPEV9Ue4znvqg2WVrxuF:h4Rq9UCW7WhZx

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

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

3
T1070

File Deletion

3
T1070.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

4
T1490

Defacement

1
T1491

Tasks