General

  • Target

    _)01( noci.scr

  • Size

    262KB

  • Sample

    240719-mmfztawfrr

  • MD5

    e15358f77cb2d9a8f36300cd621cc68a

  • SHA1

    168edfcabe08c67c7741d14a7f0cf926d846478b

  • SHA256

    e8ca6295f91a857411273eea2fcf03989fc93f13f84c3cf2180bf556c89436d0

  • SHA512

    debe87f0305ffcfae37d15edaa18287ec7ecd77a72bd585edf914bd9390db6dafe51c48beca6f1e6eef15f57967083516a250e1352c4746c704bab32d4fc86d1

  • SSDEEP

    3072:HCk4Tq9ml9Zbgb1B+i1GlCdE4SrC1OMSn0vJAnR7Nn7ILJPopnWaGR8lJnHwCBF4:HJ4Tq9uPghIDN4unQ59P8WaomJBhnod

Malware Config

Extracted

Path

C:\ProgramData\Adobe\Updater6\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 :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 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.)

Targets

    • Target

      _)01( noci.scr

    • Size

      262KB

    • MD5

      e15358f77cb2d9a8f36300cd621cc68a

    • SHA1

      168edfcabe08c67c7741d14a7f0cf926d846478b

    • SHA256

      e8ca6295f91a857411273eea2fcf03989fc93f13f84c3cf2180bf556c89436d0

    • SHA512

      debe87f0305ffcfae37d15edaa18287ec7ecd77a72bd585edf914bd9390db6dafe51c48beca6f1e6eef15f57967083516a250e1352c4746c704bab32d4fc86d1

    • SSDEEP

      3072:HCk4Tq9ml9Zbgb1B+i1GlCdE4SrC1OMSn0vJAnR7Nn7ILJPopnWaGR8lJnHwCBF4:HJ4Tq9uPghIDN4unQ59P8WaomJBhnod

    • 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

Windows Management Instrumentation

1
T1047

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

Direct Volume Access

1
T1006

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