Analysis

  • max time kernel
    143s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23/10/2023, 12:59

General

  • Target

    5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe

  • Size

    754KB

  • MD5

    c97ce14b668e28fa709345aa92a3444e

  • SHA1

    83acbff8ef2922b4c3f96c4ead8e6f457e683f5a

  • SHA256

    5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6

  • SHA512

    9cc6cc320c947668b0dcea23db96897fa9b5a32c48ade7d2cfc3bb20a3f4ec869b5d06df0d7dfa5f55a6c246f08d93cbd5d3301ec48fa9bc53dfea8febc488e7

  • SSDEEP

    12288:dGx0wTle55f/lqbhb14fbFvUtsFQ88/6lAuIRr3fLUmrD/PZpcx:dGxHk7f9cl14xUtsFQ88/bpr3ogD3ZpM

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ithh

  • offline_id

    9FgVtzPuDnE9NZWeLG9q9D2SjzVyIqJJ4jFNKXt1

  • payload_url

    http://colisumy.com/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-cGZhpvUKxk 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: 0811JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

6.1

Botnet

13088c19c5a97b42d0d1d9573cc9f1b8

C2

https://steamcommunity.com/profiles/76561199563297648

https://t.me/twowheelfun

Attributes
  • profile_id_v2

    13088c19c5a97b42d0d1d9573cc9f1b8

  • user_agent

    Mozilla/5.0 (iPad; CPU OS 17_0_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/605.1.15

Signatures

  • Detected Djvu ransomware 18 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe
    "C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe
      "C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\2d6d275b-11b3-4eaf-9747-add12282186f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4560
      • C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe
        "C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe
          "C:\Users\Admin\AppData\Local\Temp\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2544
          • C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe
            "C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3664
            • C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe
              "C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1300
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4596
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:4208

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

          d5a226f4e74fec74f6f4b632cf85cd1a

          SHA1

          38d5c212e55ed52c054c65594152e84976fe0b9f

          SHA256

          6cb259f68ece722ea2d21a600960825f785f35400ab91f1330187d598da3fc9f

          SHA512

          f293d9cf221f5d62d7da25536737ccf23ca8d926dcb282b8bb9cc2611aa3b4064684c8f3231c892960a12e2728572b379db8a8501ffce6bd17403ce747908a90

        • 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

          5efe5438c71cb26397609062354afdd6

          SHA1

          9e8f8f32d9698adbb38b4e3c4528f820c4f81faf

          SHA256

          9593cd352a5ee655d4246c2881a1276599b77890ccb0a7256a723fe6f57fcf66

          SHA512

          f182c7ce19a52e580b67c7e8f5fa0312eabf6ec88b1a7a88c870f6e7183ba8850babac2126a4e643937072a6a21d0f03ef9703d8e245da3d4b366acbacba74d8

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

          Filesize

          392B

          MD5

          c294799c9a135536daa4b53b459b4709

          SHA1

          a74d573d2587d8ab2a79ca378e1de0c73dc49d8e

          SHA256

          da82dfa65cf288b95d9f282ba1400d2ab39f4bdba4cd6a632806c9f750f17353

          SHA512

          12873b434f00e5ff030e348b19bc1776e1d20c5e084d625beacf09b6bd1a0d894438a9ecf55db9500b5654f4c455d8d91f33004edaed3a97091da67745ff361b

        • C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe

          Filesize

          373KB

          MD5

          8012f0388cdda7870e63a5723ff24e9b

          SHA1

          08ed4dc8ded91f4aa23324b7eac56a22a883005d

          SHA256

          5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

          SHA512

          f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

        • C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe

          Filesize

          373KB

          MD5

          8012f0388cdda7870e63a5723ff24e9b

          SHA1

          08ed4dc8ded91f4aa23324b7eac56a22a883005d

          SHA256

          5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

          SHA512

          f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

        • C:\Users\Admin\AppData\Local\27bdb94a-aa7e-4f91-bfa4-dfdb01cae8cf\build2.exe

          Filesize

          373KB

          MD5

          8012f0388cdda7870e63a5723ff24e9b

          SHA1

          08ed4dc8ded91f4aa23324b7eac56a22a883005d

          SHA256

          5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

          SHA512

          f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

        • C:\Users\Admin\AppData\Local\2d6d275b-11b3-4eaf-9747-add12282186f\5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6.exe

          Filesize

          754KB

          MD5

          c97ce14b668e28fa709345aa92a3444e

          SHA1

          83acbff8ef2922b4c3f96c4ead8e6f457e683f5a

          SHA256

          5ae4208b6fb961652bf34e12ce966096b9a07b2f6432fb30728ccd57c24a93c6

          SHA512

          9cc6cc320c947668b0dcea23db96897fa9b5a32c48ade7d2cfc3bb20a3f4ec869b5d06df0d7dfa5f55a6c246f08d93cbd5d3301ec48fa9bc53dfea8febc488e7

        • \ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • \ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • memory/1300-53-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1300-52-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1300-64-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/1300-101-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1300-102-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1300-51-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1300-103-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1300-48-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/2464-1-0x00000000007C0000-0x000000000085C000-memory.dmp

          Filesize

          624KB

        • memory/2464-2-0x0000000002200000-0x000000000231B000-memory.dmp

          Filesize

          1.1MB

        • memory/2544-22-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-37-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-36-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-116-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-41-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-34-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-30-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-29-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-24-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2544-23-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3056-20-0x0000000002050000-0x00000000020F0000-memory.dmp

          Filesize

          640KB

        • memory/3664-49-0x0000000000A30000-0x0000000000A81000-memory.dmp

          Filesize

          324KB

        • memory/3664-47-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

          Filesize

          1024KB

        • memory/4016-17-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4016-6-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4016-3-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4016-5-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4016-4-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB