Analysis

  • max time kernel
    147s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2023 08:55

General

  • Target

    b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe

  • Size

    783KB

  • MD5

    7ed2d30ac125f9d5825948a04f8a0b51

  • SHA1

    117d30a0ef211e58f13e044d016ce130d0f2c65f

  • SHA256

    b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb

  • SHA512

    5cbb8e8cc384203d42f0b31b5183348935fa33d4a275d98d3550b4270030458699db1e472a0d40da8c882cbf4443ae5250d4c2dc17e39022d2f7bd50c2c327a3

  • SSDEEP

    24576:rXKmCoyKCjKtxjMtO/Q0IV/Almxy4TjqyLXtInXIBN:rllCmt2IZIV/AaxrAI

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .typo

  • offline_id

    Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1

  • payload_url

    http://uaery.top/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-f8UEvx4T0A 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: 0672IsjO

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    00d92484c9b27bc8482a2cc94cacc508

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

  • Detected Djvu ransomware 16 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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 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.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe
    "C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe
      "C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4644
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\4f5fcdc6-5a3e-4418-a3f8-76a1ffcbe09c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1500
      • C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe
        "C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1240
        • C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe
          "C:\Users\Admin\AppData\Local\Temp\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:100
          • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe
            "C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4684
            • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe
              "C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:3884
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 1876
                7⤵
                • Program crash
                PID:4456
          • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build3.exe
            "C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:916
            • C:\Windows\SysWOW64\schtasks.exe
              /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
              6⤵
              • Creates scheduled task(s)
              PID:1372
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3884 -ip 3884
    1⤵
      PID:3488
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3836
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        2⤵
        • Creates scheduled task(s)
        PID:1864

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

      Filesize

      2KB

      MD5

      ebf38835fd83d603ed2939112fe923d2

      SHA1

      27426896cf1aac5c41eff28eae202b44d92345f9

      SHA256

      1b703c5ef0e6349372108f3a7a2033a365e50a17e8d7cd278f93e4444f232b71

      SHA512

      7d4d060f679ba65f601e5e7d9bee51bec4bd801bb3440a5c1f856cfa643ccca152a670e38d1e458d419e5f41ee422d5f37029035e58c2e8e9ec9e0339c680a0d

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

      Filesize

      1KB

      MD5

      e23d8cd61c2e75283867a91ce42aa1dc

      SHA1

      a86f54bb4f00cf0fcd3efc3951d54e168d25c7f4

      SHA256

      0a8b65baa91fb423458dd64e067a6009cd4ce9a93c65ac4b448025403ab0ea9c

      SHA512

      89483da80407e373d6d0f18b4ddd3976a5cd8e590b398de51e881623f54e4c146ec57def18c26c8f7ca5e7ed00b51b9a94d14ad38d2d716b416507b41144c5f4

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

      Filesize

      488B

      MD5

      e2caee69b3cf396bc4ed9e2d8a624260

      SHA1

      7a7771a188d807a5ce4ebe1a38f7086d4151fc9f

      SHA256

      11f948d6e994ff81ff460b96639a1493fa2e4f7e2785cdba0c2fd7e85af7f55c

      SHA512

      fdd99e4c65d3cc23e79559154bd5aa4025b39e6eb4dfa6f3c0cf69d21ee87b0fc91d52a373cbf8d9162197b04e81407f9e87fa90518e0111f175caf091dfaaeb

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

      Filesize

      482B

      MD5

      793fbc14c7cb79c24b044dc61fc35c97

      SHA1

      724e06ff23d0214450fa96e2c7130460b0d44d68

      SHA256

      7457fd5d9b11e7957ae40ec59e8c946b27bcea218e81e4ea9e9d04dda83856c4

      SHA512

      b9d75f9a970a5614ddef5451a571c94799628fde8968311a458b8f115f0d610553457bb6feda52dfd9255c7e488292f80abd7aab4486705abc03612f0ce9665c

    • C:\Users\Admin\AppData\Local\4f5fcdc6-5a3e-4418-a3f8-76a1ffcbe09c\b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe

      Filesize

      783KB

      MD5

      7ed2d30ac125f9d5825948a04f8a0b51

      SHA1

      117d30a0ef211e58f13e044d016ce130d0f2c65f

      SHA256

      b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb

      SHA512

      5cbb8e8cc384203d42f0b31b5183348935fa33d4a275d98d3550b4270030458699db1e472a0d40da8c882cbf4443ae5250d4c2dc17e39022d2f7bd50c2c327a3

    • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\683cb7d3-054c-4b63-88a6-71e98027b814\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • memory/100-157-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-165-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-166-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-276-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-152-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-163-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-159-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-158-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-192-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/100-151-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2676-136-0x0000000004910000-0x0000000004A2B000-memory.dmp

      Filesize

      1.1MB

    • memory/3884-275-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/3884-274-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/3884-182-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/3884-180-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/3884-178-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/3884-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3884-277-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/3884-183-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4644-137-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4644-134-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4644-135-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4644-138-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4644-147-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4684-181-0x0000000000640000-0x0000000000697000-memory.dmp

      Filesize

      348KB