General

  • Target

    archiveNew.7z

  • Size

    3.4MB

  • Sample

    230324-amzeyada61

  • MD5

    26058186fb232824d0f390c05d5763fa

  • SHA1

    79ae0f74766e848cb28a12b584a13890a23afa60

  • SHA256

    5c5bd9b1245d498e15fd5497fee284153cecc8ed898288b074a16f1618d675b8

  • SHA512

    00d439c02f0546c564b5dc82c428ba1e2a3fa2ad80c508965d6a9aa886ed53c8ce42c9948e60292d10afc19b04f07beda13c82adeb8e3834c2f4cd052b499b6d

  • SSDEEP

    98304:w27dozlXLkFjISUdup6SAQHhNtW29hFfRlYcAJVc6r:wMdYLWjIrupZAQ42PrlYcSC8

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@Please_Read_Me@.txt

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 "@WanaDecryptor@.exe". 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

      Endermanch@Petya.A.exe

    • Size

      225KB

    • MD5

      af2379cc4d607a45ac44d62135fb7015

    • SHA1

      39b6d40906c7f7f080e6befa93324dddadcbd9fa

    • SHA256

      26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739

    • SHA512

      69899c47d0b15f92980f79517384e83373242e045ca696c6e8f930ff6454219bf609e0d84c2f91d25dfd5ef3c28c9e099c4a3a918206e957be806a1c2e0d3e99

    • SSDEEP

      6144:DCyjXhd1mialK+qoNr8PxtZE6x5v+k6f:rjXhd8ZlKOrMZE6x5b6f

    Score
    6/10
    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Target

      Endermanch@WannaCrypt0r.exe

    • Size

      3.4MB

    • MD5

      84c82835a5d21bbcf75a61706d8ab549

    • SHA1

      5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

    • SHA256

      ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

    • SHA512

      90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

    • SSDEEP

      98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Registry Run Keys / Startup Folder

1
T1060

Hidden Files and Directories

1
T1158

Defense Evasion

File Deletion

2
T1107

File Permissions Modification

1
T1222

Modify Registry

3
T1112

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Tasks