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Analysis

  • max time kernel
    298s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    27/06/2023, 03:34

General

  • Target

    ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe

  • Size

    698KB

  • MD5

    d5ddfbff203482be85854b64683506d5

  • SHA1

    8be359858d2a4ece58df8c15cf414e6101509bfd

  • SHA256

    ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d

  • SHA512

    6a43ec094109f3fcfb6505655f96206e3f10360ff3c6eb47b085ee45384d26fdcfd485187eaffdbfda00b1d2650e4424343e40182294051c23e89462ea2c65fd

  • SSDEEP

    12288:QNynOGpYsIozCMNc2G7PMje93E9VD5ijthnw/MdzldHKJ3ao8ZJ9:Q8OGpYABNC7PpNqnijtNDq9Z8V

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tghz

  • offline_id

    hZRMDGn2o1XdryxaQbOJI60EuHBvAbPnWEccdDt1

  • 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-OQnsJqCOOl 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: 0732SwOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.4

Botnet

153ce668f1e21829c936c2b11fa4d869

C2

https://steamcommunity.com/profiles/76561199235044780

https://t.me/headlist

Attributes
  • profile_id_v2

    153ce668f1e21829c936c2b11fa4d869

  • user_agent

    Mozilla/5.0 (Linux; Android 7.0; Pixel C Build/NRD91D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Safari/537.36

Signatures

  • Detected Djvu ransomware 14 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
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 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 2 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe
    "C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe
      "C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\c9c07e0c-cfb4-42ec-a735-99a477fd6f37" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1376
      • C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe
        "C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1536
        • C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe
          "C:\Users\Admin\AppData\Local\Temp\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:572
          • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe
            "C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1624
            • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe
              "C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Modifies system certificate store
              • Suspicious behavior: EnumeratesProcesses
              PID:1108
          • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build3.exe
            "C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1252
            • 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:2012
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DBE892B9-8464-45F4-AADC-AD0911567B0A} S-1-5-21-1437583205-2177757337-340526699-1000:XVLNHWCX\Admin:Interactive:[1]
    1⤵
      PID:1444
      • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1704
        • 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"
          3⤵
          • Creates scheduled task(s)
          PID:2036

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      339c7ad1c12de19ee7052f7203703598

      SHA1

      d46daf35c7eeef63d2388763afd83455b9b53170

      SHA256

      632503d69e58c7b5ddb2ae468a156c99509e2dd9258c269f1a07a6df7882a8ba

      SHA512

      3ee398ce6b1460a05a4f6e324f1868992bf173eb3f0383ffb07b2f4b1f86aeb443c8444962b4299b262ee3a69abf338c92046e9f39dee9deb102a11ae4c7d92a

    • C:\Users\Admin\AppData\Local\Temp\Cab32C7.tmp

      Filesize

      62KB

      MD5

      3ac860860707baaf32469fa7cc7c0192

      SHA1

      c33c2acdaba0e6fa41fd2f00f186804722477639

      SHA256

      d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

      SHA512

      d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

    • C:\Users\Admin\AppData\Local\Temp\Tar349E.tmp

      Filesize

      164KB

      MD5

      4ff65ad929cd9a367680e0e5b1c08166

      SHA1

      c0af0d4396bd1f15c45f39d3b849ba444233b3a2

      SHA256

      c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

      SHA512

      f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

    • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe

      Filesize

      340KB

      MD5

      b7133c4070082747c60bf6191a5f70de

      SHA1

      a7568a93d9dc79a211270736c5989c5f6635e9b6

      SHA256

      a96e080ee195fb2333191fb38c7a66e0c0bd029af6480dc489a8c8113e5b03a9

      SHA512

      f3dd85289894e9ddfd61d1d5b5cb479b97d7e0759327236b72150d22b790a2492bd4929d8427aac50b48ed6e7e18abccbe401cb7d5f5deb683e8c813afbb72fe

    • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe

      Filesize

      340KB

      MD5

      b7133c4070082747c60bf6191a5f70de

      SHA1

      a7568a93d9dc79a211270736c5989c5f6635e9b6

      SHA256

      a96e080ee195fb2333191fb38c7a66e0c0bd029af6480dc489a8c8113e5b03a9

      SHA512

      f3dd85289894e9ddfd61d1d5b5cb479b97d7e0759327236b72150d22b790a2492bd4929d8427aac50b48ed6e7e18abccbe401cb7d5f5deb683e8c813afbb72fe

    • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe

      Filesize

      340KB

      MD5

      b7133c4070082747c60bf6191a5f70de

      SHA1

      a7568a93d9dc79a211270736c5989c5f6635e9b6

      SHA256

      a96e080ee195fb2333191fb38c7a66e0c0bd029af6480dc489a8c8113e5b03a9

      SHA512

      f3dd85289894e9ddfd61d1d5b5cb479b97d7e0759327236b72150d22b790a2492bd4929d8427aac50b48ed6e7e18abccbe401cb7d5f5deb683e8c813afbb72fe

    • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe

      Filesize

      340KB

      MD5

      b7133c4070082747c60bf6191a5f70de

      SHA1

      a7568a93d9dc79a211270736c5989c5f6635e9b6

      SHA256

      a96e080ee195fb2333191fb38c7a66e0c0bd029af6480dc489a8c8113e5b03a9

      SHA512

      f3dd85289894e9ddfd61d1d5b5cb479b97d7e0759327236b72150d22b790a2492bd4929d8427aac50b48ed6e7e18abccbe401cb7d5f5deb683e8c813afbb72fe

    • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\c9c07e0c-cfb4-42ec-a735-99a477fd6f37\ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d.exe

      Filesize

      698KB

      MD5

      d5ddfbff203482be85854b64683506d5

      SHA1

      8be359858d2a4ece58df8c15cf414e6101509bfd

      SHA256

      ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d

      SHA512

      6a43ec094109f3fcfb6505655f96206e3f10360ff3c6eb47b085ee45384d26fdcfd485187eaffdbfda00b1d2650e4424343e40182294051c23e89462ea2c65fd

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

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • \Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe

      Filesize

      340KB

      MD5

      b7133c4070082747c60bf6191a5f70de

      SHA1

      a7568a93d9dc79a211270736c5989c5f6635e9b6

      SHA256

      a96e080ee195fb2333191fb38c7a66e0c0bd029af6480dc489a8c8113e5b03a9

      SHA512

      f3dd85289894e9ddfd61d1d5b5cb479b97d7e0759327236b72150d22b790a2492bd4929d8427aac50b48ed6e7e18abccbe401cb7d5f5deb683e8c813afbb72fe

    • \Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build2.exe

      Filesize

      340KB

      MD5

      b7133c4070082747c60bf6191a5f70de

      SHA1

      a7568a93d9dc79a211270736c5989c5f6635e9b6

      SHA256

      a96e080ee195fb2333191fb38c7a66e0c0bd029af6480dc489a8c8113e5b03a9

      SHA512

      f3dd85289894e9ddfd61d1d5b5cb479b97d7e0759327236b72150d22b790a2492bd4929d8427aac50b48ed6e7e18abccbe401cb7d5f5deb683e8c813afbb72fe

    • \Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • \Users\Admin\AppData\Local\bb877ba4-b5c0-43a7-ba5c-26b1aaf35594\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • memory/572-154-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-143-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-114-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-113-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-102-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-103-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-106-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-107-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/572-111-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1108-199-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1108-129-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1108-133-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1108-253-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1108-252-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1108-251-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1108-134-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1108-128-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1160-58-0x0000000000720000-0x000000000083B000-memory.dmp

      Filesize

      1.1MB

    • memory/1160-54-0x0000000000540000-0x00000000005D2000-memory.dmp

      Filesize

      584KB

    • memory/1536-96-0x0000000001D70000-0x0000000001E02000-memory.dmp

      Filesize

      584KB

    • memory/1624-132-0x00000000002A0000-0x00000000002F6000-memory.dmp

      Filesize

      344KB

    • memory/1708-95-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1708-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1708-56-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1708-59-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1708-60-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB