Analysis

  • max time kernel
    145s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2023, 19:42

General

  • Target

    18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe

  • Size

    828KB

  • MD5

    7dedfb03c0417469da8b2e50c7b514c2

  • SHA1

    793b8000997f2398b1c5d7dc6f8cac7a42ef10fa

  • SHA256

    18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889

  • SHA512

    85c88c38f29524cc678581d7ac79818f893ae79941191102691dfe331065b0a289801dea661c9a5ca98936fd215bbb9ce02c6c8aa1abde5d145f19a86cd369bf

  • SSDEEP

    12288:Q1dvXT9ZhFnml5v+tX4OkmzogNx88niKZ+ABnrwCp/Fxgz9ijd6+:QPXT9ZnBIOkm8gNGadrwCjaxij4

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gaze

  • offline_id

    jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1

  • payload_url

    http://colisumy.com/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-sD0OUYo1Pd 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: 0710JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes
  • profile_id_v2

    9dfa7ee730fa2f1efb5ed51dbbec22f5

  • user_agent

    Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

Signatures

  • Detected Djvu ransomware 17 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).

  • 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\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe
    "C:\Users\Admin\AppData\Local\Temp\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Users\Admin\AppData\Local\Temp\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe
      "C:\Users\Admin\AppData\Local\Temp\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\7cca4f6f-cff6-4da0-8704-24a29634a49f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1108
      • C:\Users\Admin\AppData\Local\Temp\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe
        "C:\Users\Admin\AppData\Local\Temp\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2672
        • C:\Users\Admin\AppData\Local\Temp\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe
          "C:\Users\Admin\AppData\Local\Temp\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1752
          • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe
            "C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2668
            • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe
              "C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:3036
          • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build3.exe
            "C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4960
            • 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:4248
  • 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:5088
    • 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:4432

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

    cb219b121c03308da05e261107dcde69

    SHA1

    2816c0b95985ce8b42e4f8c30aae93279c3979ef

    SHA256

    d18ee47a9beb6ab36215bb1b778ec97d87c7b6c16ab6449fc6da51ec5ef9967b

    SHA512

    6353b7fa84d06fcb975882c3fb9d0c7e0103ccbbab1101fdb9310ed0d55657e5f714527d59e0d57e9949dc1ecbb9265567cb5393f2a9d9c5968e641b56b82cb3

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

    Filesize

    1KB

    MD5

    374bcc93961e172a78f2a2ded74f3433

    SHA1

    e9bbbb1dcbea961e0aa7d502d032c2fe009397b8

    SHA256

    a6032f21906faae6e57164b9048d08c6f65fccc04ac64a3fe622f0f0360e5239

    SHA512

    6272ff1b1c042adec0f2a424f582f1567c4ce068ef98d8bdb1fee5727c075f2994a27f323a2e45d90b0b993a003741e40810a7ca920a6f5d81f821835f0e69ed

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

    Filesize

    488B

    MD5

    8aa8baae81af576b38cc1c7f6e73c188

    SHA1

    a140c4c462c5364c257a19d7b5a5a675efc852ce

    SHA256

    dab266a3a1881d93c1c41ff8d9311b4988a6b184761138dc252e0ab9e02c7f62

    SHA512

    29620ab30df0e298648fd5ed5d2cfaac4f38ed07174ce1d8d4c1e6886aaa700b8fb299b386dcd9557b1534e2a51662b24217e58310fea75203a725d6f804be36

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

    Filesize

    482B

    MD5

    ce68097ba8f696f11bf9d977f98baf1a

    SHA1

    983750c959f1a5f4b640092ed6f69349138d1cfe

    SHA256

    2e4d218056a0b4a5957273568fab3e6f2592f0f2c6864c66232bb19ea446d6f4

    SHA512

    9727ad63d49757e2abe34650a0ea495bfa023b0627c18bb6cdd97d21c6388689509fa2ffd98bf4a428fb6cdbfa40d70e5dd134f614c21769df4f4d4d9a3f02b9

  • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\27051f26-9ca1-4142-b8ee-b6ec840d012c\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\7cca4f6f-cff6-4da0-8704-24a29634a49f\18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889.exe

    Filesize

    828KB

    MD5

    7dedfb03c0417469da8b2e50c7b514c2

    SHA1

    793b8000997f2398b1c5d7dc6f8cac7a42ef10fa

    SHA256

    18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889

    SHA512

    85c88c38f29524cc678581d7ac79818f893ae79941191102691dfe331065b0a289801dea661c9a5ca98936fd215bbb9ce02c6c8aa1abde5d145f19a86cd369bf

  • 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/1556-150-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1556-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1556-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1556-136-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1556-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-160-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-285-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-270-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-155-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-161-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-154-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-280-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-260-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-271-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1752-268-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-180-0x00000000009B0000-0x0000000000A07000-memory.dmp

    Filesize

    348KB

  • memory/3036-178-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3036-262-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3036-261-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3036-259-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3036-191-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3036-190-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3036-179-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3036-176-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/5008-137-0x0000000002810000-0x000000000292B000-memory.dmp

    Filesize

    1.1MB