Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-02-2024 19:51

General

  • Target

    Week 5 Malware.exe

  • Size

    1.1MB

  • MD5

    ce65b4b61c076642a5f98fa780d43899

  • SHA1

    0a60240eb6e96836d6ca4b82f531ecc98ddbb4bb

  • SHA256

    e84c050d38730a0bf098476cc6a167f9944521a0e4e1beedb2dab331a166fc52

  • SHA512

    3f74a006ea16c182a3eaa896886fb7ed70ebf4fb74641dca77bcff300e89fe1ce230ac1fb29b168f7b0d4033954917439add8e31ea027c9041ffc3363220323f

  • SSDEEP

    12288:BB4ONL1Oa+iJBPWhbvULrJ6Bti3ERXxlcWdMhaex:j9hEYsbvULrwC+Xxlc+Pex

Malware Config

Extracted

Path

C:\$Recycle.Bin\DECRYPT-FILES.txt

Family

maze

Ransom Note
Attention! ---------------------------- | What happened? ---------------------------- All your files, documents, photos, databases, and other important data are safely encrypted with reliable algorithms. You cannot access the files right now. But do not worry. You have a chance! It is easy to recover in a few steps. ---------------------------- | How to get my files back? ---------------------------- The only method to restore your files is to purchase a unique for you private key which is securely stored on our servers. To contact us and purchase the key you have to visit our website in a hidden TOR network. There are general 2 ways to reach us: 1) [Recommended] Using hidden TOR network. a) Download a special TOR browser: https://www.torproject.org/ b) Install the TOR Browser. c) Open the TOR Browser. d) Open our website in the TOR browser: http://aoacugmutagkwctu.onion/88fa09a77d00ecfc e) Follow the instructions on this page. 2) If you have any problems connecting or using TOR network a) Open our website: https://mazedecrypt.top/88fa09a77d00ecfc b) Follow the instructions on this page. Warning: the second (2) method can be blocked in some countries. That is why the first (1) method is recommended to use. On this page, you will see instructions on how to make a free decryption test and how to pay. Also it has a live chat with our operators and support team. ---------------------------- | What about guarantees? ---------------------------- We understand your stress and worry. So you have a FREE opportunity to test a service by instantly decrypting for free three files on your computer! If you have any problems our friendly support team is always here to assist you in a live chat! ------------------------------------------------------------------------------- THIS IS A SPECIAL BLOCK WITH A PERSONAL AND CONFIDENTIAL INFORMATION! DO NOT TOUCH IT WE NEED IT TO IDENTIFY AND AUTHORIZE YOU ---BEGIN MAZE KEY--- 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 ---END MAZE KEY---
URLs

http://aoacugmutagkwctu.onion/88fa09a77d00ecfc

https://mazedecrypt.top/88fa09a77d00ecfc

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Week 5 Malware.exe
    "C:\Users\Admin\AppData\Local\Temp\Week 5 Malware.exe"
    1⤵
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Windows\system32\wbem\wmic.exe
      "C:\kpxjt\o\..\..\Windows\ha\gpg\..\..\system32\jxo\yud\f\..\..\..\wbem\tqs\cpb\..\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:416
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5064
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x308 0x244
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1352

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\DECRYPT-FILES.txt
    Filesize

    9KB

    MD5

    1ddaaf959ab234ebbfaa40b8206183b9

    SHA1

    5472ab129d7388c795a40c14738c69dff4ec711a

    SHA256

    1db138bff64e2e93a3bf7035fb69e063473e6e4b35a212e8eabc0d9d574cdd70

    SHA512

    5f1de7d6ce5b216679085c19f0e9a34d730e7b3d661c325494fee5004d9d1165a32435320211b9774d5790fd3fbdd1d843c97bf6ebf7dd06ca1ca4c89cfd732b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_D0D9AC7FA6A94AA49E974FBE6960B8A1.dat
    Filesize

    940B

    MD5

    610b2d07b108c3e21a207b3b66df0ac6

    SHA1

    73df193f0b266a76faa0a544ddbcaffc463afb1e

    SHA256

    1734d0a1ea158492cc47e5760ac5b78a4fb4fcf234bbab6063014a6fe2975f96

    SHA512

    1422e3d5b0757aa688ac2eb8f6acbd2cd0e71a7c5e27189223fe40f1c2be3023e4c0ae400af09ead9ed77be0f53c38a55c83d959c100a8ab69d70c864bdcb9dd

  • memory/4564-0-0x0000000000400000-0x0000000000518000-memory.dmp
    Filesize

    1.1MB

  • memory/4564-1-0x0000000002290000-0x000000000231E000-memory.dmp
    Filesize

    568KB

  • memory/4564-2-0x0000000000400000-0x0000000000518000-memory.dmp
    Filesize

    1.1MB

  • memory/4564-3-0x0000000000400000-0x0000000000518000-memory.dmp
    Filesize

    1.1MB

  • memory/4564-4-0x0000000000400000-0x0000000000518000-memory.dmp
    Filesize

    1.1MB

  • memory/4564-77-0x0000000002290000-0x000000000231E000-memory.dmp
    Filesize

    568KB

  • memory/4564-150-0x0000000000400000-0x0000000000518000-memory.dmp
    Filesize

    1.1MB

  • memory/4564-816-0x0000000000400000-0x0000000000518000-memory.dmp
    Filesize

    1.1MB