Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 07:12

General

  • Target

    0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe

  • Size

    818KB

  • MD5

    fef3fae9a8103459710315ae65e597d6

  • SHA1

    437cb3048629d4a267630de1ec53813a009f67b8

  • SHA256

    0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6

  • SHA512

    086b153dbc3c3fa91635086f58c3d1b801903692267efe109fb93a82761edf6d2e0b3b40c1510f51add1fb2f4eb4e9c699d6f220bcdf15535d9c56836f6cddf9

  • SSDEEP

    12288:YDxxAEMfsPCtyiUInGOeKmuBbb9qCjivqOpoCrPuszCHY48tBPlcodTFIl:sxxAhUPnVbKmadziHBbrqV8tfFI

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .dapo

  • offline_id

    8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-vbVkogQdu2 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0667JOsie

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 19 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
    "C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
      "C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4804
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\0f0523ac-12c8-4b7b-8075-de61dc30644c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:5092
      • C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
        "C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3432
        • C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe
          "C:\Users\Admin\AppData\Local\Temp\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3516

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          Filesize

          1KB

          MD5

          fc5408c48a55314c72e200b74330cac4

          SHA1

          7e8889ec3189a40e6078088927bf3612753fa628

          SHA256

          7ea2a016d97635b1367455af2250cbf9e9c34d293829d11fc21ce905347590c4

          SHA512

          481753ef755c188012919ea728ea0395f22b6ce83f2f9a11675be6072f154db141b2382dc62ad7c3c95e36596529176a66f40e3d118cf0e33ea8e6f716ae1d77

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

          Filesize

          724B

          MD5

          8202a1cd02e7d69597995cabbe881a12

          SHA1

          8858d9d934b7aa9330ee73de6c476acf19929ff6

          SHA256

          58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

          SHA512

          97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          Filesize

          410B

          MD5

          0f76e01e7910058484ffdbca184d7338

          SHA1

          59fb55d849e6fd7896559f56bf185443730d9e67

          SHA256

          7af3af0f7f9a9e272589e881ea95aa3b5aaa1845484e37974912ec0465568bbe

          SHA512

          bf1e6e6b99f109d0d780f3ca35a4cbd457e6eba23d83b75dbf55ec4517599a9900a950f85809a9d7d2028eaba2c1460ef09d9f1095621ab564b097cd6653d311

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

          Filesize

          392B

          MD5

          72415087cef8170cd626b29259babb4f

          SHA1

          0c9589258c674fc0d30140650c1ffc980c5c7c42

          SHA256

          ecfd35883cd260ca35e3320af43aea965bb31388914d14cefeb05b19818043a9

          SHA512

          6d1ba9b79a99d3dfc8e46ddd39f108fe21512184c2971f92b00574477e17aa51322dfeed5bb10e881484580bc0203cde62b003e5320cec43c65f387557509a56

        • C:\Users\Admin\AppData\Local\0f0523ac-12c8-4b7b-8075-de61dc30644c\0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6.exe

          Filesize

          818KB

          MD5

          fef3fae9a8103459710315ae65e597d6

          SHA1

          437cb3048629d4a267630de1ec53813a009f67b8

          SHA256

          0e63b35c80002654754c9aaa7110d4f1a2433606e92f7074c062a5ff9b7442b6

          SHA512

          086b153dbc3c3fa91635086f58c3d1b801903692267efe109fb93a82761edf6d2e0b3b40c1510f51add1fb2f4eb4e9c699d6f220bcdf15535d9c56836f6cddf9

        • memory/772-2-0x0000000003000000-0x0000000003097000-memory.dmp

          Filesize

          604KB

        • memory/772-3-0x0000000004880000-0x000000000499B000-memory.dmp

          Filesize

          1.1MB

        • memory/772-6-0x0000000000400000-0x0000000002B88000-memory.dmp

          Filesize

          39.5MB

        • memory/772-0-0x0000000000400000-0x0000000002B88000-memory.dmp

          Filesize

          39.5MB

        • memory/3432-25-0x0000000002D40000-0x0000000002DDA000-memory.dmp

          Filesize

          616KB

        • memory/3432-24-0x0000000000400000-0x0000000002B88000-memory.dmp

          Filesize

          39.5MB

        • memory/3432-21-0x0000000000400000-0x0000000002B88000-memory.dmp

          Filesize

          39.5MB

        • memory/3516-26-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-43-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-22-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-49-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-47-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-46-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-45-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-23-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-31-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-32-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-33-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-37-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3516-42-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4804-4-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4804-5-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4804-8-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4804-7-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4804-18-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB