Analysis

  • max time kernel
    156s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2023 13:44

General

  • Target

    0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe

  • Size

    686KB

  • MD5

    24efdbe170f4e19359b43fb2d2d33b28

  • SHA1

    8fb62e8613e01b71b9ca452ba71d568b085fb21d

  • SHA256

    0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914

  • SHA512

    342ae258e63aa4b3ceb019af862e5ac8897b2e903006f99a13d5cc5f03919f27ec867b328987170822878771fe505f222b76f961e1e50809e880260bf06f7477

  • SSDEEP

    12288:Nl9hpgVoWwrIxZrdVhRk7eTScx/qwo8FODFpTaCrJM6ZGs0xlr:y+ad3Rku/N7ohpGcy6Zgxl

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .dazx

  • offline_id

    8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1

  • 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-vbVkogQdu2 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: 0666JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3

Botnet

d6ef050131e7d5a1d595c51613328971

C2

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes
  • profile_id_v2

    d6ef050131e7d5a1d595c51613328971

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 3 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.

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe
    "C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe
      "C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\cd19665f-0805-4f98-b478-6bc6c4fcb482" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:3232
      • C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe
        "C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4628
        • C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe
          "C:\Users\Admin\AppData\Local\Temp\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1144
          • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe
            "C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1680
            • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe
              "C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4948
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3748
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:5004
          • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build3.exe
            "C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2108
            • 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:1840
  • 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:3720
    • 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:2732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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

    84770e5e2da7dbc35f74f1301910fea1

    SHA1

    bd6156f63c93c2bc668dbd796d27474700cbff84

    SHA256

    97a616430f4f8b8a76004f3ffab182f6a01870267c53387960f71f56c3dae1c5

    SHA512

    6241fec66ad5219fa31ad47fdd93dea2ef079cfd600d3ec1ca48fe64d028d76a82984113a5052b74de8d678d183e2bafb965f3c6111f3cdf139239b07dfee941

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

    Filesize

    1KB

    MD5

    46695bc8561a32e1833a6d99a77181a0

    SHA1

    b3c30e212f13fe612567d1a0d590ea400225bde2

    SHA256

    8acf929c15a9d787e72809586a1c01d53cd344207ed8f5b5d2f325f4a25f708e

    SHA512

    59a20f6594e628fb465ca887c4987656757d6b479c9fc72995c1bbe4c7ab89a8e60969aa68d7472b8a06bbfa99c01fdd0e87608fef95133463034bc21744e304

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

    Filesize

    488B

    MD5

    119a1ede4d3db00efcf0e2e86cfe2ee8

    SHA1

    b6d352374d7b1dab55eddcd68d344f469a21c706

    SHA256

    7f890988b36d001b6377651ed111e41ad03815fd11d74b0160a2b2d3ea23e27d

    SHA512

    6954093c2dac59ad1aafdd96c9e78920c0bc28f0a368152d8cfa92c1384d2eafe3c4364cbd97b8ba3abcf24ce06a71b3d3adc3717a9e2051d3ce5b06a2233f22

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

    Filesize

    482B

    MD5

    ad61624ab500866664d3adf8955e6ecc

    SHA1

    7999200c6efb649de3d6b2fa2ec77358170dc73c

    SHA256

    4403b5373595213bf685252d4b50a3bb157dfa75638d331eb52351593803f040

    SHA512

    ace49bac86965f39fa787bfc8d4ae42d3de9167ee27f2043576cc6c3f2c9ecb96bd16160132efc9d7b844fb14ea6d5eba214d8f8a7573537b35ae98199cf1dec

  • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build2.exe

    Filesize

    462KB

    MD5

    1ea00519a643ae1ab0f4f9a6ecc81ead

    SHA1

    551c4fd300092a51a7fd3ceee009db249fd2a70f

    SHA256

    04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

    SHA512

    187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

  • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\8add8dac-b039-4057-bb45-d02d1f74f530\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\cd19665f-0805-4f98-b478-6bc6c4fcb482\0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914.exe

    Filesize

    686KB

    MD5

    24efdbe170f4e19359b43fb2d2d33b28

    SHA1

    8fb62e8613e01b71b9ca452ba71d568b085fb21d

    SHA256

    0f9677642599cf23aafe225ee2dbe403f305dc5801298b83ba19f6b939a8f914

    SHA512

    342ae258e63aa4b3ceb019af862e5ac8897b2e903006f99a13d5cc5f03919f27ec867b328987170822878771fe505f222b76f961e1e50809e880260bf06f7477

  • 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/1144-163-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-165-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-166-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-278-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-199-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1144-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1680-180-0x00000000024E0000-0x000000000253D000-memory.dmp

    Filesize

    372KB

  • memory/2432-137-0x0000000002340000-0x000000000245B000-memory.dmp

    Filesize

    1.1MB

  • memory/4008-136-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4008-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4008-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4008-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4008-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4948-178-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4948-205-0x0000000050B90000-0x0000000050C83000-memory.dmp

    Filesize

    972KB

  • memory/4948-273-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4948-275-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4948-276-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4948-185-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4948-181-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4948-182-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB