Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2023, 12:35

General

  • Target

    c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe

  • Size

    761KB

  • MD5

    2828fa5b967d60887f888e2540935253

  • SHA1

    a0713a2a5874b45a881cf76c33e7c3e25303de1a

  • SHA256

    c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072

  • SHA512

    be66f9f3258384a424b2e5fdc1945d87d8532c25f99d6f1347d3d9d10b1b6c989a6ac6e7e4191efea8e38e02bb44b809db57afcb3767594750247c767867d3a7

  • SSDEEP

    12288:5zAXGj2sTOSfwHQInbPdn/eOVY8z0c9uV0dc6hORwbqOwitHzd9JOPy:50GS2Pfufdn/JSI9Vdc2nWOwilTJd

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wwpl

  • offline_id

    LtYnlJvK0hICyOCeum6Tv4pbia9jcIGHVgA3Xht1

  • 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-xoUXGr6cqT 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: 0786JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.6

Botnet

7b01483643983171e949f923c5bc80e7

C2

https://steamcommunity.com/profiles/76561199550790047

https://t.me/bonoboaz

Attributes
  • profile_id_v2

    7b01483643983171e949f923c5bc80e7

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/103.0.0.0

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
  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe
    "C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe
      "C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\b3e6bb11-a678-43f1-be76-7f599ad31a73" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4008
      • C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe
        "C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe
          "C:\Users\Admin\AppData\Local\Temp\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:456
          • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe
            "C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2624
            • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe
              "C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\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:4636
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe" & exit
                7⤵
                  PID:1816
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 6
                    8⤵
                    • Delays execution with timeout.exe
                    PID:476
            • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build3.exe
              "C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build3.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2684
              • 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:1684
    • 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:3988
      • 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:3524

    Network

    MITRE ATT&CK Enterprise v15

    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

      bcf9c82a8e06cd4dbc7c6f8166b03d62

      SHA1

      aa072fd0adc30bc7d45952443a137972eaea0499

      SHA256

      32b64ccb43add6147056e3f68bd46c762c8b38dea72735355fc422160a0f417d

      SHA512

      7a26e9797da034f01a08a1b62e4e7e39de67526257d015a0ef7590968af690fecb1852a0f3ee05f64bbf571344eb74ef4d404d2f145f7e7dd36f6a21816ba4a0

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

      Filesize

      1KB

      MD5

      fa4ae5fcb44bfaf845b845961180d250

      SHA1

      8257ee68bdd2bc3ea2723eda7aeba404195d46bf

      SHA256

      574c66c19561773196a88f115168cf5d73b71fd26f9034606fe38a5535d4df96

      SHA512

      ad1de0c1d0f5a4a7e3615b48537f75250779368b388520b001d96367d5aa19fa88a9f471d1212e679ab9eaae854374445807877891bf1b803fa6c7886877d253

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

      Filesize

      488B

      MD5

      db9add1ac22c89bba21760aa7577008c

      SHA1

      a077b66d4b9374dcf8f9040d795713e9d3ed1754

      SHA256

      f617f2ada3564bd3d8e45e511becea6f9024c94bab1daf7d2b355d4e696ec47c

      SHA512

      cd594cf99cb762b5d7fb0bad69944c18e5ab2b311499c374e90d9af977067e9b88c48ad2f11b0824817d50208d4568136d6a38728c306f3c1d1cea9bb78cb8f3

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

      Filesize

      482B

      MD5

      a03d8552434fd8e5b6eb701f3dd4505d

      SHA1

      10b0d8d02eccc1a516a2e8ed86ed29f198a81966

      SHA256

      423f03cc0b0dee471b62fc759aa907ffd556d55c8c1b62594b461b1e7c07323f

      SHA512

      aba4c1686fcc59b7dba31a4f38aa99ed39a072603bf6e51b2d0aa9708deb3d7f39cb1d9a471bd949129ae2f666d4cf0327642eca0e25b1d8a26cef5232537258

    • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe

      Filesize

      426KB

      MD5

      d249cebde9fcfcddb47af02d6c10f268

      SHA1

      0c6a6a81326d9634b55e973cc4b0364693e9df53

      SHA256

      34e9b76c568bed90396850a59f181edb5233a045c1042fec1e29a42d8449cd40

      SHA512

      dfd33206b441eb51bd6c4544a11089d0f6754b124c43b7a33d6c7b3fd0de940df2e162337585dc7df66ac4ffb82fa404f140b877f531669bc84a9f8d1487a246

    • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe

      Filesize

      426KB

      MD5

      d249cebde9fcfcddb47af02d6c10f268

      SHA1

      0c6a6a81326d9634b55e973cc4b0364693e9df53

      SHA256

      34e9b76c568bed90396850a59f181edb5233a045c1042fec1e29a42d8449cd40

      SHA512

      dfd33206b441eb51bd6c4544a11089d0f6754b124c43b7a33d6c7b3fd0de940df2e162337585dc7df66ac4ffb82fa404f140b877f531669bc84a9f8d1487a246

    • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe

      Filesize

      426KB

      MD5

      d249cebde9fcfcddb47af02d6c10f268

      SHA1

      0c6a6a81326d9634b55e973cc4b0364693e9df53

      SHA256

      34e9b76c568bed90396850a59f181edb5233a045c1042fec1e29a42d8449cd40

      SHA512

      dfd33206b441eb51bd6c4544a11089d0f6754b124c43b7a33d6c7b3fd0de940df2e162337585dc7df66ac4ffb82fa404f140b877f531669bc84a9f8d1487a246

    • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build2.exe

      Filesize

      426KB

      MD5

      d249cebde9fcfcddb47af02d6c10f268

      SHA1

      0c6a6a81326d9634b55e973cc4b0364693e9df53

      SHA256

      34e9b76c568bed90396850a59f181edb5233a045c1042fec1e29a42d8449cd40

      SHA512

      dfd33206b441eb51bd6c4544a11089d0f6754b124c43b7a33d6c7b3fd0de940df2e162337585dc7df66ac4ffb82fa404f140b877f531669bc84a9f8d1487a246

    • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\88de580b-9057-4cc1-ad19-ec62e462e258\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\b3e6bb11-a678-43f1-be76-7f599ad31a73\c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072.exe

      Filesize

      761KB

      MD5

      2828fa5b967d60887f888e2540935253

      SHA1

      a0713a2a5874b45a881cf76c33e7c3e25303de1a

      SHA256

      c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072

      SHA512

      be66f9f3258384a424b2e5fdc1945d87d8532c25f99d6f1347d3d9d10b1b6c989a6ac6e7e4191efea8e38e02bb44b809db57afcb3767594750247c767867d3a7

    • 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/456-27-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-28-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-32-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-35-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-34-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-72-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-20-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-21-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-122-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/456-22-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/728-2-0x0000000002600000-0x000000000271B000-memory.dmp

      Filesize

      1.1MB

    • memory/728-1-0x0000000002560000-0x00000000025FD000-memory.dmp

      Filesize

      628KB

    • memory/1252-6-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1252-3-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1252-5-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1252-15-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1252-4-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1368-18-0x00000000022C0000-0x000000000235C000-memory.dmp

      Filesize

      624KB

    • memory/2624-47-0x0000000002620000-0x0000000002720000-memory.dmp

      Filesize

      1024KB

    • memory/2624-48-0x0000000002580000-0x00000000025D1000-memory.dmp

      Filesize

      324KB

    • memory/4636-75-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4636-52-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/4636-117-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/4636-118-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/4636-119-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/4636-49-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/4636-51-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/4636-53-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB