Analysis

  • max time kernel
    104s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    18-05-2022 06:47

General

  • Target

    b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe

  • Size

    849KB

  • MD5

    84579c94a9e75c80ad8472dec46e55d3

  • SHA1

    cdc292bed13049252242f33e099ec1bc3615cd24

  • SHA256

    b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3

  • SHA512

    075dc3207addd8c7d653d18b8851e397708a119d60ddc36b0a98b147d7305d76133d2e4f962849fb302a578c6383c789d5cd3e2f535aac65f8c69f7fb6c2075e

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/fhsgtsspen6/get.php

Attributes
  • extension

    .fdcv

  • offline_id

    eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1

  • payload_url

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

    http://ugll.org/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-j3AdKrnQie 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: 0483JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

52.1

Botnet

517

C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312

Attributes
  • profile_id

    517

Signatures

  • Detected Djvu ransomware 7 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

  • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

  • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

  • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

  • Vidar Stealer 3 IoCs
  • 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
  • Accesses cryptocurrency files/wallets, 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). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe
    "C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe
      "C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\5aa79209-e626-4528-9eff-c515e66ab79f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4676
      • C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe
        "C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4636
        • C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe
          "C:\Users\Admin\AppData\Local\Temp\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4544
          • C:\Users\Admin\AppData\Local\6b7332fa-13c4-4263-b6d1-2d0d71cb32db\build2.exe
            "C:\Users\Admin\AppData\Local\6b7332fa-13c4-4263-b6d1-2d0d71cb32db\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1924
            • C:\Users\Admin\AppData\Local\6b7332fa-13c4-4263-b6d1-2d0d71cb32db\build2.exe
              "C:\Users\Admin\AppData\Local\6b7332fa-13c4-4263-b6d1-2d0d71cb32db\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:3964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    727B

    MD5

    8ae6f45bb6c9f288a96a3402dc17e2d9

    SHA1

    9ddb0d782cb4728675a1f5b61cfc632997349cdf

    SHA256

    ae4681e5db7de9744bdd78a943d6be6a390aa925125935d6cb691a27c8b2ebd3

    SHA512

    ee94f18f21437c1fba42cca69d535997c89438801ea6e823e99d384e9bc0239b041dc5ed854063a571bac2bbd2f83d7113c7f456d130b15e7db847e7fe4e8ec7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    471B

    MD5

    b1c4234d2346ca5a2267de9f0bab4b81

    SHA1

    d6d10976b258ee86430063fdfb1838bb73838aeb

    SHA256

    e75d5e79323e42e337cf188a296db211f5d7dd488d03adf4b1be7836f997e3ed

    SHA512

    8b1d4c34ad847b73d060cb35dba350032be0a8cd82637a5c52805c078ea986ea44446040f588fb4edda4a233e424bdb6dc3ba016b7647936ec4ef4f971ff1e17

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    402B

    MD5

    051d5e05c226d059757f554722b3016d

    SHA1

    186fb684519515b9b6e1201b49778fbdda226332

    SHA256

    110e2669a7833bf7a72119557d5c703a3cff9758547195c49e445e68940efef2

    SHA512

    fc1cb02dbaf74bde44da86ee5fa6cf15c948cc38828548ca3490ec19fb1ed8cfc8b955b45c371364491739672b847b8acbe4e0d2b1e32f51ec870f3302552a37

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    396B

    MD5

    e95147b4a0464187d6d7d6765b8c8f5a

    SHA1

    3656278ce77ad0897b52abdac0f699325b85b8ad

    SHA256

    3d4144b6df9965185f2fa8566319b073875cbe11fa35e9019d8415c3bc55a676

    SHA512

    f4f0cd10d6b6e7fc95a3f98a9f5ba673c3dd056e87d7a306db183765c77a7a7ad78bf392ed91779fd16ef6a5fd55fe522566acedb40eb93626b7d212a6b05fbe

  • C:\Users\Admin\AppData\Local\5aa79209-e626-4528-9eff-c515e66ab79f\b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3.exe

    Filesize

    849KB

    MD5

    84579c94a9e75c80ad8472dec46e55d3

    SHA1

    cdc292bed13049252242f33e099ec1bc3615cd24

    SHA256

    b193db5c0fe069e65fe33bb8b58168141de2109c7a3720879613d728316715e3

    SHA512

    075dc3207addd8c7d653d18b8851e397708a119d60ddc36b0a98b147d7305d76133d2e4f962849fb302a578c6383c789d5cd3e2f535aac65f8c69f7fb6c2075e

  • C:\Users\Admin\AppData\Local\6b7332fa-13c4-4263-b6d1-2d0d71cb32db\build2.exe

    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • C:\Users\Admin\AppData\Local\6b7332fa-13c4-4263-b6d1-2d0d71cb32db\build2.exe

    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • C:\Users\Admin\AppData\Local\6b7332fa-13c4-4263-b6d1-2d0d71cb32db\build2.exe

    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • \ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • memory/1792-130-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-137-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-122-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-123-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-124-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-125-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-126-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-127-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-128-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-129-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-120-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-131-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-132-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-133-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-134-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-135-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-136-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-121-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-139-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-140-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-141-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-142-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-143-0x00000000049A0000-0x0000000004A3E000-memory.dmp

    Filesize

    632KB

  • memory/1792-144-0x0000000004B50000-0x0000000004C6B000-memory.dmp

    Filesize

    1.1MB

  • memory/1792-145-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-119-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-118-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-114-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-117-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-116-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1792-115-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/1924-366-0x0000000000000000-mapping.dmp

  • memory/1924-403-0x00000000008F0000-0x0000000000939000-memory.dmp

    Filesize

    292KB

  • memory/2728-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-175-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-156-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-157-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-158-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-159-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-160-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-161-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-162-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-163-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-164-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-166-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-165-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-167-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-168-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-169-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-171-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-170-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-172-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-173-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-174-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-154-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-176-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-177-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-178-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-179-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-181-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-155-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-180-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-199-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-147-0x0000000000424141-mapping.dmp

  • memory/2728-152-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-151-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-150-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-148-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/2728-149-0x0000000076F70000-0x00000000770FE000-memory.dmp

    Filesize

    1.6MB

  • memory/3964-399-0x000000000042103C-mapping.dmp

  • memory/3964-456-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4544-348-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4544-274-0x0000000000424141-mapping.dmp

  • memory/4636-244-0x0000000000000000-mapping.dmp

  • memory/4676-218-0x0000000000000000-mapping.dmp