Analysis

  • max time kernel
    294s
  • max time network
    183s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/07/2023, 04:47

General

  • Target

    1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe

  • Size

    739KB

  • MD5

    164d681e4c7592a58264b71a95ec412e

  • SHA1

    369c7a559fccaac6c69902b94af0c67a9225dc4b

  • SHA256

    1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d

  • SHA512

    99a464a09ff83c0ca7dbe189618e25d304a35a4ed341e37b194cd0bfdf234ca177c4d52862ec97ea556b34ca942dba480f306a0ec8892390344523a6c93f22d2

  • SSDEEP

    12288:LNPY7WxEvh5wwW0GmCiBBU31I4UzBz8IeVvkoZwUKTSheteYiRQiUm:y7WxowI3U3HU9TXGqlGQ9

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gazp

  • offline_id

    idjLJVXs65t0hiY0Usr4A1G0xEEwvvs9JcZKN0t1

  • 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-ZyZya4Vb8D 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: 0741JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.7

Botnet

https://t.me/eagl3z

C2

https://t.me/eagl3z

https://steamcommunity.com/profiles/76561199159550234

Attributes
  • profile_id_v2

    https://t.me/eagl3z

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1788.0 uacq

Signatures

  • Detected Djvu ransomware 15 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 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
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe
    "C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe
      "C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3448
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\f4036bd8-09db-42d8-a428-ebbe18e5a3d0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1320
      • C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe
        "C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1464
        • C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe
          "C:\Users\Admin\AppData\Local\Temp\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4336
          • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe
            "C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4468
            • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe
              "C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3356
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2540
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:3032
          • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build3.exe
            "C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3484
            • 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:2184
  • 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:4208
    • 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:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    74748d36dfcb219e19e75c748fedb171

    SHA1

    d255f86d0c1d7faa9c5077acfadbf08787eacb37

    SHA256

    e575537738cc935256cf4c31e6bb9721b58b3d4fa68eaf30b9044ac4c2915686

    SHA512

    a35326da2939753e570a874de0db98d6c78de36b77f189b32aecac2484e644d1ba44e1698a3bf13116b9022b6fedee8837b7b3962e33158b043abe4743124942

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

    Filesize

    1KB

    MD5

    08c6a0c3a6a1350b534a7e19c436528e

    SHA1

    77af0e7def08322bb2070ddbd3a0bfb8fb26c2b7

    SHA256

    f10a00cc5380a03aa09b2ead3ce7f221d209c83d018d2523f36472eb740865a8

    SHA512

    b20402ab8a0ef6f93aedce9c71a7ab775e0e67692ee3f80e974f1e726d28397f8f15620f29d4199afa30668f7c7e57646243c443bd25b11a514e91f099eb3c16

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

    Filesize

    488B

    MD5

    ae56bd5be326a9331dfbb604bb18b51b

    SHA1

    a81f7bed2a6dd4bceeae69aeb82350ab9dd7669a

    SHA256

    0ba11fa15bd37a2f7d099fcd8d80708c6580199510bb3637789ff201445a2424

    SHA512

    d161de204a17d6d2cb6f9f786243addc6f6d63bb0b6dde550202cbd730a75a5bcf9c09c97c886dd12220f902638ea61ec2b15643729312295ef51da557cda250

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

    Filesize

    482B

    MD5

    11b6a56a9b854650e8353acab8369888

    SHA1

    6d922dd1cf6cf0e089d0ec8ba62bc4e6b17a603a

    SHA256

    a9a0c8c067d6d7294297e2ee17cd7164a78a902b39d66b8d656203ab1cbe5570

    SHA512

    46e14d83de8758be857173b83ffd375b38a74bfe352611ff6b450e538c5178808942ed4df491ed96e4856f9c95346f5f70967840bfb5ebe5fe6f0f2d346d17d9

  • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe

    Filesize

    447KB

    MD5

    08819e55df0897a6dded1e5e6bf83601

    SHA1

    22d39992c6245b86ee8b14e0cc820e46a9094c45

    SHA256

    3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

    SHA512

    36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

  • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe

    Filesize

    447KB

    MD5

    08819e55df0897a6dded1e5e6bf83601

    SHA1

    22d39992c6245b86ee8b14e0cc820e46a9094c45

    SHA256

    3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

    SHA512

    36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

  • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build2.exe

    Filesize

    447KB

    MD5

    08819e55df0897a6dded1e5e6bf83601

    SHA1

    22d39992c6245b86ee8b14e0cc820e46a9094c45

    SHA256

    3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

    SHA512

    36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

  • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\cccb57d9-887e-4ceb-b2cd-ecd15bea10b5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\f4036bd8-09db-42d8-a428-ebbe18e5a3d0\1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d.exe

    Filesize

    739KB

    MD5

    164d681e4c7592a58264b71a95ec412e

    SHA1

    369c7a559fccaac6c69902b94af0c67a9225dc4b

    SHA256

    1bb689e95fd5ed5f70fd3ac60cf28d7aace52fea6b1bacc0a257e19cbf50a71d

    SHA512

    99a464a09ff83c0ca7dbe189618e25d304a35a4ed341e37b194cd0bfdf234ca177c4d52862ec97ea556b34ca942dba480f306a0ec8892390344523a6c93f22d2

  • 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

  • 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

  • memory/1656-125-0x00000000021E0000-0x00000000022FB000-memory.dmp

    Filesize

    1.1MB

  • memory/3356-171-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/3356-185-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/3356-236-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/3356-234-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/3356-233-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/3356-196-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3356-173-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/3356-174-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/3448-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3448-126-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3448-140-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3448-123-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3448-124-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-154-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-160-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-145-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-170-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-161-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-144-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4336-181-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4468-175-0x00000000020C0000-0x000000000214D000-memory.dmp

    Filesize

    564KB