Resubmissions

18-12-2024 17:08

241218-vnm4hswrdq 3

18-12-2024 16:37

241218-t4ydrawmdr 10

General

  • Target

    sample

  • Size

    267KB

  • Sample

    241218-t4ydrawmdr

  • MD5

    79c71a1177718da362083128aeddd237

  • SHA1

    1496d4219e4266d0c609c93595c47d55a3fe375d

  • SHA256

    0d3640ab26280297ecd40c7807f0c420fe376e3d32b59052279eb13a8fc9a7c4

  • SHA512

    801244cd6d4a407d8c886803f5668ce1aaefec59d9f8c13a6a95654db847154419c8debe688f79248f218015ae7941f32bb4a7fc8830f607c2207bdabf3078ec

  • SSDEEP

    3072:Rm/iwlwEq6DxoZw1ImA2l/R/h4w0yYGO0wImgrAwtN+Tl/j6q:Rm/j7jDxoZ2ImvRn0xGiITK6q

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\!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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Targets

    • Target

      sample

    • Size

      267KB

    • MD5

      79c71a1177718da362083128aeddd237

    • SHA1

      1496d4219e4266d0c609c93595c47d55a3fe375d

    • SHA256

      0d3640ab26280297ecd40c7807f0c420fe376e3d32b59052279eb13a8fc9a7c4

    • SHA512

      801244cd6d4a407d8c886803f5668ce1aaefec59d9f8c13a6a95654db847154419c8debe688f79248f218015ae7941f32bb4a7fc8830f607c2207bdabf3078ec

    • SSDEEP

      3072:Rm/iwlwEq6DxoZw1ImA2l/R/h4w0yYGO0wImgrAwtN+Tl/j6q:Rm/j7jDxoZ2ImvRn0xGiITK6q

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Wannacry family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (15294) files with added filename extension

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

    • Downloads MZ/PE file

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Detected potential entity reuse from brand GOOGLE.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks