Analysis

  • max time kernel
    140s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-05-2022 14:55

General

  • Target

    7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe

  • Size

    788KB

  • MD5

    fcd2c5a266a4e0e44cc6f266a55106b8

  • SHA1

    a8a3dffba1ec686e89c09473302a4c85ed555082

  • SHA256

    7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c

  • SHA512

    a2ed595113e50a7385904d9ef9eb3a816163596148a5fc2c69aebb87e026edb5d228da7cb1fb77276c2898d187f1db45003dde5773870b7bdf98ba8105da6aa0

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ifla

  • offline_id

    e8w5MeiBrZVoHLoloPm9MNlKBzXH70BB3B2KQ7t1

  • 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-2w6I3WpXEh 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: manager@time2mail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0478JIjdm

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\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe
    "C:\Users\Admin\AppData\Local\Temp\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4160
    • C:\Users\Admin\AppData\Local\Temp\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe
      "C:\Users\Admin\AppData\Local\Temp\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\9ebd325a-0a9c-4b07-91cf-d9b61b4d18c5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4940
      • C:\Users\Admin\AppData\Local\Temp\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe
        "C:\Users\Admin\AppData\Local\Temp\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Users\Admin\AppData\Local\Temp\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe
          "C:\Users\Admin\AppData\Local\Temp\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2360
          • C:\Users\Admin\AppData\Local\17e68acd-4194-4b43-8a5c-dac3ee2749bc\build2.exe
            "C:\Users\Admin\AppData\Local\17e68acd-4194-4b43-8a5c-dac3ee2749bc\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4952
            • C:\Users\Admin\AppData\Local\17e68acd-4194-4b43-8a5c-dac3ee2749bc\build2.exe
              "C:\Users\Admin\AppData\Local\17e68acd-4194-4b43-8a5c-dac3ee2749bc\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:1532
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:2120

    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

      04600b36ac2bc770acacd49dd09605d8

      SHA1

      31b0f8dfe3c4c0b088b0b6bf16ddef35b6719bc4

      SHA256

      b04cd11cec921021a2b54315577141d86ac94049c3515b026646819201bced87

      SHA512

      d93051881e8a75c6e12e3e0b7cf691e284a395a1274916c27553674773b35c7497ecce118b800311acd98c7fcca1572f162fe0aa302e793e120558707b0e0fa8

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

      471B

      MD5

      9f4100db53495a84d1af392fb542e5aa

      SHA1

      9551890637d3a6f184e18381dec16f20333e2178

      SHA256

      79f3b7d52de2f6547217a10e34c9f4cc83f2571e8714bb3908b48a4eb21eaf34

      SHA512

      d80c667e97387f26afe845926c221dc6b2eb7577f7273742e61852bb4421df1df1dd4cac1d2ef6d1f31df70aaf5874872f981c1f5b612f2d2d30c32b33f1326e

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

      402B

      MD5

      b2bd995fb95029761fa267a487e88693

      SHA1

      e030138bfb37be30038944070a057a3ccba0c8fb

      SHA256

      5c597bf2226d1776f19e4d3c8a36b383c37e4f7e45df4931a495755069f74eaf

      SHA512

      7b8f06dc0cac08e2dbb9053fba2b647dce25ce0471d6b34b9a516b196cbfc12b34d34cafa6329c401d8015ac9115898d63d6d605275602c56bcdcadae6c2001e

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

      396B

      MD5

      17216e15867cf219095026cbae97a35e

      SHA1

      616660954a1cbc846f5a476a9da90bdc9662b633

      SHA256

      6870d0a05e5290a63dc679d3c6f4e1b615f390dcf903ad8779f76a06a7c13f9e

      SHA512

      ee9e00c4422eb56ba25faac020f6f8b709d9560f85f648dc0d291a6565f16bc151d7e5d1b72534aba66cdff3d46ff28d615bc1bf9cbcdc4ce9fdcee4264aed12

    • C:\Users\Admin\AppData\Local\17e68acd-4194-4b43-8a5c-dac3ee2749bc\build2.exe
      Filesize

      367KB

      MD5

      3107999f9600f5f2bc88e17282da2773

      SHA1

      8862f9551fdb7dc30e135c556751b973f441e7b4

      SHA256

      aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

      SHA512

      50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

    • C:\Users\Admin\AppData\Local\17e68acd-4194-4b43-8a5c-dac3ee2749bc\build2.exe
      Filesize

      367KB

      MD5

      3107999f9600f5f2bc88e17282da2773

      SHA1

      8862f9551fdb7dc30e135c556751b973f441e7b4

      SHA256

      aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

      SHA512

      50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

    • C:\Users\Admin\AppData\Local\17e68acd-4194-4b43-8a5c-dac3ee2749bc\build2.exe
      Filesize

      367KB

      MD5

      3107999f9600f5f2bc88e17282da2773

      SHA1

      8862f9551fdb7dc30e135c556751b973f441e7b4

      SHA256

      aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

      SHA512

      50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

    • C:\Users\Admin\AppData\Local\9ebd325a-0a9c-4b07-91cf-d9b61b4d18c5\7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c.exe
      Filesize

      788KB

      MD5

      fcd2c5a266a4e0e44cc6f266a55106b8

      SHA1

      a8a3dffba1ec686e89c09473302a4c85ed555082

      SHA256

      7f75b18d25758a8f677bcc4256eaa6a1fa9d67495a5398d5cda4a46352dd337c

      SHA512

      a2ed595113e50a7385904d9ef9eb3a816163596148a5fc2c69aebb87e026edb5d228da7cb1fb77276c2898d187f1db45003dde5773870b7bdf98ba8105da6aa0

    • memory/1532-153-0x0000000000000000-mapping.dmp
    • memory/1532-161-0x0000000060900000-0x0000000060992000-memory.dmp
      Filesize

      584KB

    • memory/1532-160-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1532-159-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1532-156-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1532-154-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2108-143-0x00000000021EB000-0x000000000227C000-memory.dmp
      Filesize

      580KB

    • memory/2108-139-0x0000000000000000-mapping.dmp
    • memory/2360-144-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2360-142-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2360-149-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2360-140-0x0000000000000000-mapping.dmp
    • memory/2648-135-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2648-132-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2648-136-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2648-130-0x0000000000000000-mapping.dmp
    • memory/2648-131-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/4160-134-0x0000000002250000-0x000000000236B000-memory.dmp
      Filesize

      1.1MB

    • memory/4160-133-0x00000000021BC000-0x000000000224D000-memory.dmp
      Filesize

      580KB

    • memory/4940-137-0x0000000000000000-mapping.dmp
    • memory/4952-150-0x0000000000000000-mapping.dmp
    • memory/4952-157-0x0000000000796000-0x00000000007C1000-memory.dmp
      Filesize

      172KB

    • memory/4952-158-0x00000000006F0000-0x0000000000739000-memory.dmp
      Filesize

      292KB