Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-05-2022 08:12

General

  • Target

    5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe

  • Size

    848KB

  • MD5

    d740afb76639190e0c4ab44194112b1c

  • SHA1

    8d98472ffc9d5626f8084ed500249b06678c58b1

  • SHA256

    5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e

  • SHA512

    13c0dd413473c2d0d09a9a90b586fe3b2e287cb698d6f44a436503099853805b613f5ca31783a206a4a2bb79825be0da8e0f0b3216b34e531636e2d7e10ecf3d

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/test1/get.php

Attributes
  • extension

    .dfwe

  • 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: admin@helpdata.top Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0480JIjdm

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\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe
    "C:\Users\Admin\AppData\Local\Temp\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe
      "C:\Users\Admin\AppData\Local\Temp\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1720
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\46b0bb49-3d6e-4d72-bc61-28d2bdbc2d47" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4740
      • C:\Users\Admin\AppData\Local\Temp\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe
        "C:\Users\Admin\AppData\Local\Temp\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1728
        • C:\Users\Admin\AppData\Local\Temp\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe
          "C:\Users\Admin\AppData\Local\Temp\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2688
          • C:\Users\Admin\AppData\Local\1ca700bb-3aaa-42b9-9394-e700374014b6\build2.exe
            "C:\Users\Admin\AppData\Local\1ca700bb-3aaa-42b9-9394-e700374014b6\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4588
            • C:\Users\Admin\AppData\Local\1ca700bb-3aaa-42b9-9394-e700374014b6\build2.exe
              "C:\Users\Admin\AppData\Local\1ca700bb-3aaa-42b9-9394-e700374014b6\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:3188
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:2624

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    File Permissions Modification

    1
    T1222

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    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

      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

      98759355d0ce59c405c8f9c8a945131b

      SHA1

      acdfdf5ae1e4956bb174e057dd57abc775d23b04

      SHA256

      8eee379ce5b92b7b270e461cf90cf85a1f4bb02071b681b17de7c0c138496f50

      SHA512

      19745e65f2ea65ef0232c83b706205ceedd76033693c2b56f4e08222bd935375f9fe6fefa40d917cdcd593e9a742bcbf6f03ace2111d936b33d627c8b7963f81

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

      396B

      MD5

      df6485682ce7e499a20bcb4cffd98800

      SHA1

      f7fee13ff9d0aa32dea9c5157b6598d1bae476bf

      SHA256

      b1f3550dde24405cbe219143eeccc0f7d9e887aef012bf3e7ae3e71a4e6de485

      SHA512

      4054c4f7786b68bd05d18e6d83e9b10eb9c13543ad95c31486d422cbe481e299fa24773fdeb13c6a8eaf5537bb378510edd5280c709cd150f8be07b6a3373d27

    • C:\Users\Admin\AppData\Local\1ca700bb-3aaa-42b9-9394-e700374014b6\build2.exe
      Filesize

      367KB

      MD5

      3107999f9600f5f2bc88e17282da2773

      SHA1

      8862f9551fdb7dc30e135c556751b973f441e7b4

      SHA256

      aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

      SHA512

      50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

    • C:\Users\Admin\AppData\Local\1ca700bb-3aaa-42b9-9394-e700374014b6\build2.exe
      Filesize

      367KB

      MD5

      3107999f9600f5f2bc88e17282da2773

      SHA1

      8862f9551fdb7dc30e135c556751b973f441e7b4

      SHA256

      aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

      SHA512

      50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

    • C:\Users\Admin\AppData\Local\1ca700bb-3aaa-42b9-9394-e700374014b6\build2.exe
      Filesize

      367KB

      MD5

      3107999f9600f5f2bc88e17282da2773

      SHA1

      8862f9551fdb7dc30e135c556751b973f441e7b4

      SHA256

      aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

      SHA512

      50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

    • C:\Users\Admin\AppData\Local\46b0bb49-3d6e-4d72-bc61-28d2bdbc2d47\5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e.exe
      Filesize

      848KB

      MD5

      d740afb76639190e0c4ab44194112b1c

      SHA1

      8d98472ffc9d5626f8084ed500249b06678c58b1

      SHA256

      5e08e14bfb308734c28e2fa1bbdc192407873bf874c5b52fe5d1fdb88a48b32e

      SHA512

      13c0dd413473c2d0d09a9a90b586fe3b2e287cb698d6f44a436503099853805b613f5ca31783a206a4a2bb79825be0da8e0f0b3216b34e531636e2d7e10ecf3d

    • memory/1720-136-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/1720-131-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/1720-132-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/1720-130-0x0000000000000000-mapping.dmp
    • memory/1720-134-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/1728-142-0x00000000048F5000-0x0000000004986000-memory.dmp
      Filesize

      580KB

    • memory/1728-139-0x0000000000000000-mapping.dmp
    • memory/2576-135-0x0000000004A70000-0x0000000004B8B000-memory.dmp
      Filesize

      1.1MB

    • memory/2576-133-0x0000000004948000-0x00000000049D9000-memory.dmp
      Filesize

      580KB

    • memory/2688-143-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2688-140-0x0000000000000000-mapping.dmp
    • memory/2688-144-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2688-149-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/3188-160-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/3188-153-0x0000000000000000-mapping.dmp
    • memory/3188-154-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/3188-156-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/3188-161-0x0000000060900000-0x0000000060992000-memory.dmp
      Filesize

      584KB

    • memory/3188-158-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4588-159-0x0000000000630000-0x0000000000679000-memory.dmp
      Filesize

      292KB

    • memory/4588-157-0x0000000000506000-0x0000000000531000-memory.dmp
      Filesize

      172KB

    • memory/4588-150-0x0000000000000000-mapping.dmp
    • memory/4740-137-0x0000000000000000-mapping.dmp