Overview

overview

10

Static

static

10

2024-04-18...ry.exe

windows7-x64

10

2024-04-18...ry.exe

windows10-2004-x64

10

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General

  • Target

    2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry

  • Size

    26KB

  • Sample

    240418-japveaga9y

  • MD5

    12e6e232a85ac88643248387333e8bd5

  • SHA1

    ed92ad0c6f42160de2ec2901d1e456e0a453ef7a

  • SHA256

    8f1ee697588e75153647337057096d1e88e0934f8cc5237b9feacb23b98eba7f

  • SHA512

    fd76ca794467d35ae46410eda6ebc410cde3d423defae0b0fd578f4d8a309b805615cf787db10736393da4ecba19bcbd0a826e989955235f9561e3db2c0ffe38

  • SSDEEP

    384:QtWZPzzxAm1v9uiYwGOYpjCGjN/y41lZOy5o91ixvksm82vc:l7zxAmSRvO5Gj0eho9YpkB82E

Score
10/10
chaosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-04-18_12e6e232a85ac88643248387333e8bd5_destroyer_wannacry

    • Size

      26KB

    • MD5

      12e6e232a85ac88643248387333e8bd5

    • SHA1

      ed92ad0c6f42160de2ec2901d1e456e0a453ef7a

    • SHA256

      8f1ee697588e75153647337057096d1e88e0934f8cc5237b9feacb23b98eba7f

    • SHA512

      fd76ca794467d35ae46410eda6ebc410cde3d423defae0b0fd578f4d8a309b805615cf787db10736393da4ecba19bcbd0a826e989955235f9561e3db2c0ffe38

    • SSDEEP

      384:QtWZPzzxAm1v9uiYwGOYpjCGjN/y41lZOy5o91ixvksm82vc:l7zxAmSRvO5Gj0eho9YpkB82E

    Score
    10/10
    chaosevasionpersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Detects command variations typically used by ransomware

    • Detects executables containing many references to VEEAM. Observed in ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (175) files with added filename extension

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

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • 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.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

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

1
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

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Resource Development

Reconnaissance

Tasks