Resubmissions

01-05-2024 18:02

240501-wmf49acg3s 6

27-04-2024 08:46

240427-kpfeysff8s 10

25-04-2024 21:25

240425-z9y55afb7v 10

25-04-2024 21:16

240425-z4pphafa97 10

25-04-2024 18:27

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25-04-2024 18:15

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25-04-2024 18:15

240425-wv1tmadc7w 3

General

  • Target

    Malware.zip

  • Size

    6.4MB

  • Sample

    240425-wpen7sdd35

  • MD5

    2570272f3d1d089334463f58135099be

  • SHA1

    c3c47f1a8420d11be52cf69f2cafcec450b36b36

  • SHA256

    2a45e44be359fba4c85591e7b13d1ec772ed181adc41254d8b00d31b2d15878e

  • SHA512

    4921f1e3fa8dc8b019587aad62a67b449175fe6cfb8e7b01474a3eb5683c1c475f34247e4a6b248bea3e432ed413721519a52b2d1ef0f3f088876cd98cec31f9

  • SSDEEP

    196608:Pjlmaezq3Z39giBgtmHmZMXQ/4LQH6TBAyigHRHu+MKiB:PYaIwgiKt2O9/rH6T6yigHRHGxB

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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Targets

    • Target

      Memz.exe

    • Size

      14KB

    • MD5

      19dbec50735b5f2a72d4199c4e184960

    • SHA1

      6fed7732f7cb6f59743795b2ab154a3676f4c822

    • SHA256

      a3d5715a81f2fbeb5f76c88c9c21eeee87142909716472f911ff6950c790c24d

    • SHA512

      aa8a6bbb1ec516d5d5acf8be6863a4c6c5d754cee12b3d374c3a6acb393376806edc422f0ffb661c210e5b9485da88521e4a0956a4b7b08a5467cfaacd90591d

    • SSDEEP

      192:sIvxdXSQeWSg9JJS/lcIEiwqZKBkDFR43xWTM3LHn8f26gyr6yfFCj3r:sMVSaSEglcIqq3agmLc+6gyWqFCj

    Score
    7/10
    • Checks computer location settings

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

    • Writes to the Master Boot Record (MBR)

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

    • Target

      NoEscape.exe

    • Size

      666KB

    • MD5

      989ae3d195203b323aa2b3adf04e9833

    • SHA1

      31a45521bc672abcf64e50284ca5d4e6b3687dc8

    • SHA256

      d30d7676a3b4c91b77d403f81748ebf6b8824749db5f860e114a8a204bca5b8f

    • SHA512

      e9d4e6295869f3a456c7ea2850c246d0c22afa65c2dd5161744ee5b3e29e44d9a2d758335f98001cdb348eaa51a71cd441b4ddc12c8d72509388657126e69305

    • SSDEEP

      12288:85J5X487qJUtcWfkVJ6g5s/cD01oKHQyis2AePsr8nP712TB:s487pcZEgwcDpg1L2tbPR2t

    • Target

      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.

    • 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 v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Modify Registry

9
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

File and Directory Permissions Modification

1
T1222

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Impact

Defacement

2
T1491

Inhibit System Recovery

2
T1490

Tasks