Overview

overview

10

Static

static

3

FA AntiVir...ch.exe

windows7-x64

7

FA AntiVir...ch.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    FA AntiVira Prosses Watch.exe

  • Size

    7.1MB

  • Sample

    240528-sl4blsaa3v

  • MD5

    e41deaba54ee5efca868392d8dbd5e5f

  • SHA1

    13cec50bd3ea57819011f2b09f05e8f247648b4b

  • SHA256

    87dd443a0684592f55e952d5ead17152ffc8fe342a6b5bf446ce5651dbd45f11

  • SHA512

    cdecc1336610a616c81813449aaec81963ba5aa44af0d92262a3d48fe37d7b854df3725a8606500cc9be3ebe7494b50e77b28b2773561a039e3a4d5a35354a85

  • SSDEEP

    196608:PsTWA1HeT39IigheE9TFa0Z8DOjCdylNownzbQWa0ngx:c1+TtIibY9Z8D8CclyUnwigx

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistencepyinstallerransomwareworm

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

    • Target

      FA AntiVira Prosses Watch.exe

    • Size

      7.1MB

    • MD5

      e41deaba54ee5efca868392d8dbd5e5f

    • SHA1

      13cec50bd3ea57819011f2b09f05e8f247648b4b

    • SHA256

      87dd443a0684592f55e952d5ead17152ffc8fe342a6b5bf446ce5651dbd45f11

    • SHA512

      cdecc1336610a616c81813449aaec81963ba5aa44af0d92262a3d48fe37d7b854df3725a8606500cc9be3ebe7494b50e77b28b2773561a039e3a4d5a35354a85

    • SSDEEP

      196608:PsTWA1HeT39IigheE9TFa0Z8DOjCdylNownzbQWa0ngx:c1+TtIibY9Z8D8CclyUnwigx

    Score
    10/10
    wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm

    • Modifies WinLogon for persistence

      persistence

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

5
T1112

Indicator Removal

1
T1070

File Deletion

1
T1070.004

File and Directory Permissions Modification

1
T1222

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Discovery

Query Registry

5
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks