Analysis

  • max time kernel
    108s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 01:59

General

  • Target

    f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe

  • Size

    794KB

  • MD5

    e1c36c70166c15013af936a068ee8a88

  • SHA1

    6cb7b26838897a05b63e3f189749da133b77bbb0

  • SHA256

    f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169

  • SHA512

    6a715fc1256f4f823e13968a4bb2098fb5eb71c53931801562eec655a897b593d78851c745e98c9068005bbcb4583601c330f775b45c7f1524b0992a117e4d06

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 8 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 5 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe
    "C:\Users\Admin\AppData\Local\Temp\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Local\Temp\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe
      "C:\Users\Admin\AppData\Local\Temp\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4256
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\c2c62e2f-32aa-4741-a221-962a4cc35088" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4540
      • C:\Users\Admin\AppData\Local\Temp\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe
        "C:\Users\Admin\AppData\Local\Temp\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3632
        • C:\Users\Admin\AppData\Local\Temp\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe
          "C:\Users\Admin\AppData\Local\Temp\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:228
          • C:\Users\Admin\AppData\Local\5071a209-e5ae-46a9-b9ae-b75386acde51\build2.exe
            "C:\Users\Admin\AppData\Local\5071a209-e5ae-46a9-b9ae-b75386acde51\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2860
            • C:\Users\Admin\AppData\Local\5071a209-e5ae-46a9-b9ae-b75386acde51\build2.exe
              "C:\Users\Admin\AppData\Local\5071a209-e5ae-46a9-b9ae-b75386acde51\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:4688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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

    Filesize

    727B

    MD5

    93995ad095112907cfc088998c161574

    SHA1

    518c7127e11809bb74ff0f68ea7e86ea5aebc798

    SHA256

    fd16d238bcac3441688e7ca940c27bb02df8f0bf43b26d8e551414a18748c1cc

    SHA512

    c2a3153c65f0acbc821bf663b38591821402d9a00680e2e22f410bf1735752194c08b96f77b7e6712082584a8b6605f7ab9552ad2f6c193fbd13c90bb60436e9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\572BF21E454637C9F000BE1AF9B1E1A9

    Filesize

    506B

    MD5

    319709fe06ad5d1a8f8470b1cb22142a

    SHA1

    ca0f2ccfd38ba20731c03789e948be680d52d70c

    SHA256

    256ff0306ef0e5966aada687b475bc2b83e561c82ee9f946d1bce012f6589df8

    SHA512

    6c559cc6b7f9a6d3076be085c4df331ba980169de55b1373b1e1a165de03333169d1abbebb3236c9e3d1447251f644b0c6adf4b88065aebfade4180f8235f9b6

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

    Filesize

    402B

    MD5

    8c1aea233c1ef12b87685243ac5336e8

    SHA1

    5dde2de183e82f51d290ae6d3b5e57b24cb36364

    SHA256

    b4ac1a979ab1bdeabeacc91e42f9d3a70e7807efd1faa7ffabb027e783131e1e

    SHA512

    bdc701b345dd41dc4c08b4d93ff7721e15b5c412ab32bfc51a1a9cbd7fbbb155e32e1a0de6c3b46f097e4372b5224d8879cd3d503b41892664d6f54d121c5e3c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\572BF21E454637C9F000BE1AF9B1E1A9

    Filesize

    248B

    MD5

    ce12129ee07ef08e018f3f2123f5031a

    SHA1

    cb128feb653c59c255a6c691d9473a5907f51cdb

    SHA256

    c902e896d81d2c73a0b206b1642d280463dd585a6fd35dd9eaac3d6489d82505

    SHA512

    adb0f73748da0dd7b934e906158b9a4f04b3025d081df6dec02396649815674e4b364302dcdb49aa4ac1f39fcbb467c94031ac4c33690641a795dccec7f7c80a

  • C:\Users\Admin\AppData\Local\5071a209-e5ae-46a9-b9ae-b75386acde51\build2.exe

    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • C:\Users\Admin\AppData\Local\5071a209-e5ae-46a9-b9ae-b75386acde51\build2.exe

    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • C:\Users\Admin\AppData\Local\5071a209-e5ae-46a9-b9ae-b75386acde51\build2.exe

    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • C:\Users\Admin\AppData\Local\c2c62e2f-32aa-4741-a221-962a4cc35088\f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169.exe

    Filesize

    794KB

    MD5

    e1c36c70166c15013af936a068ee8a88

    SHA1

    6cb7b26838897a05b63e3f189749da133b77bbb0

    SHA256

    f532ab15a16b7a2871253ea4fb17814635f2c22e3734d964ef8c361ae53e2169

    SHA512

    6a715fc1256f4f823e13968a4bb2098fb5eb71c53931801562eec655a897b593d78851c745e98c9068005bbcb4583601c330f775b45c7f1524b0992a117e4d06

  • memory/228-143-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/228-144-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/228-150-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/228-140-0x0000000000000000-mapping.dmp

  • memory/1928-130-0x00000000049DD000-0x0000000004A6E000-memory.dmp

    Filesize

    580KB

  • memory/1928-131-0x0000000004B10000-0x0000000004C2B000-memory.dmp

    Filesize

    1.1MB

  • memory/2860-157-0x00000000004C9000-0x00000000004F3000-memory.dmp

    Filesize

    168KB

  • memory/2860-159-0x0000000000900000-0x0000000000949000-memory.dmp

    Filesize

    292KB

  • memory/2860-151-0x0000000000000000-mapping.dmp

  • memory/3632-142-0x00000000048F6000-0x0000000004987000-memory.dmp

    Filesize

    580KB

  • memory/3632-139-0x0000000000000000-mapping.dmp

  • memory/4256-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4256-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4256-136-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4256-133-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4256-132-0x0000000000000000-mapping.dmp

  • memory/4540-137-0x0000000000000000-mapping.dmp

  • memory/4688-154-0x0000000000000000-mapping.dmp

  • memory/4688-155-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4688-158-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4688-160-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4688-161-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4688-162-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB