Analysis

  • max time kernel
    70s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/12/2022, 06:49

General

  • Target

    7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe

  • Size

    732KB

  • MD5

    0087d46637faa19e860ce34c0a1b0573

  • SHA1

    54a99e6319443d3b5c2c0d70d442fc2f9e3d50fb

  • SHA256

    7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc

  • SHA512

    c4dc96b4222ac1f7721bf815ef051e272510d597bdae27698b6ed18bd265e5ca87f22b9071aa4217baa199df6cda882948e4f95cb83ae155cb30347808092254

  • SSDEEP

    12288:zHZ3YzfeV7360NyMY+A9iIjpJryrV8vf8PI5+WTNGlzuqGOZdMJvuQy0E3kl4u+:Om7n/Ah7M2kP6+WTYJIOdMJvuQfC7S

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .btnw

  • offline_id

    8p2Go5ZmkbFk0DF2oJ6E8vGEogpBqqaGCWjto1t1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://abibiall.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-Q5EougBEbU 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: 0617JOsie

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 10 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe
    "C:\Users\Admin\AppData\Local\Temp\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Users\Admin\AppData\Local\Temp\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe
      "C:\Users\Admin\AppData\Local\Temp\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4940
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\603f47b9-04d9-4068-9d5d-69edde4a3168" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2360
      • C:\Users\Admin\AppData\Local\Temp\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe
        "C:\Users\Admin\AppData\Local\Temp\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2672
        • C:\Users\Admin\AppData\Local\Temp\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe
          "C:\Users\Admin\AppData\Local\Temp\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe
            "C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4520
            • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe
              "C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe"
              6⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4832
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2576
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:4312
          • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build3.exe
            "C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4744
            • 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:3812
  • 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:5108
    • 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:4684

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\mozglue.dll

          Filesize

          133KB

          MD5

          8f73c08a9660691143661bf7332c3c27

          SHA1

          37fa65dd737c50fda710fdbde89e51374d0c204a

          SHA256

          3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

          SHA512

          0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

        • C:\ProgramData\nss3.dll

          Filesize

          1.2MB

          MD5

          bfac4e3c5908856ba17d41edcd455a51

          SHA1

          8eec7e888767aa9e4cca8ff246eb2aacb9170428

          SHA256

          e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

          SHA512

          2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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

          Filesize

          2KB

          MD5

          602cebd424613d514b439fe78f14a48d

          SHA1

          d5d7580e513e9b4af91e1a8bcdd5401ab98636f6

          SHA256

          29fabef3eb6d67f8ff9b015375b8fa6b6bced5e8c1651f2199fcb183f33578aa

          SHA512

          fb2cda553e81eee089a166a0da126f9b4cff2ce5dba999ea87a4bfd1d396198f93e17391f408b2b5fa76e5a021717c4c349dede102e3e7eb1f51b44d407cb8b2

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

          Filesize

          1KB

          MD5

          13ed5d9cdfe44b69986cdcda2709fae4

          SHA1

          6f1ac25238f31888d91eda34e7b2dd92a4f379db

          SHA256

          c19bb0d55abcc511665e003cb64e5900a9a93dea9e6a8261356ea9f7f02d8126

          SHA512

          8b34e9dea82332ad2098fe1fdc24f9be1c2722b07d6c8427c4b8348b5dd014780933b369bdf97408e473d84259925c4427a005e86df3a83bd9cae3a93d5f3982

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

          Filesize

          488B

          MD5

          cbd13cc4de1353edd2061984024aa19d

          SHA1

          b62d386d945e9b0fead55692c4bc04d48c24245c

          SHA256

          6671d77f6e8643a1a1d1bf24f5b6cce3e21b5154dd2fa839f026f1076a937682

          SHA512

          895d8149ea8e39a513fde25bc42bb5756f8cb2c030dad406d8e9b1dbdfca0aeaa4e997b2cd3322b77f62bdcb1761412d1bcbda7f09f7ecaccc9eca439a9b9fe5

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

          Filesize

          482B

          MD5

          f9613bf71e2c0825b94ae621da941b6d

          SHA1

          e43a57a3f9b6b1d6e8f41e95eff7ff36c10ee610

          SHA256

          59e8402a235cc32e06095478f555e7629220f7e1974fe12732ddb03ecd5485b4

          SHA512

          41de20ea5fa7debe4b711f3f8506da08027ac57332412a445f5d0ea6b8dca29882052aa95cca412a8afd77bf69aa1475e729a453fcb3b67ea529cbcfa5cf863e

        • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe

          Filesize

          370KB

          MD5

          6a7892ece7e8bf85628e0e769560b7cb

          SHA1

          e13140e719218b14dd168467a63d481c7259df8c

          SHA256

          363dd986f98ab17b465354c93bd6f2b391b81593887dc88a0818d3d07264f844

          SHA512

          0091f76a7acf12ce121cc89702bbc7116cd91c4d69be1aaded7deabff92f7a913572d50b37b4ea0ac5cec28ceb4d2a505ed5dd7e98fa13ded39d1114a0ca7e7f

        • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe

          Filesize

          370KB

          MD5

          6a7892ece7e8bf85628e0e769560b7cb

          SHA1

          e13140e719218b14dd168467a63d481c7259df8c

          SHA256

          363dd986f98ab17b465354c93bd6f2b391b81593887dc88a0818d3d07264f844

          SHA512

          0091f76a7acf12ce121cc89702bbc7116cd91c4d69be1aaded7deabff92f7a913572d50b37b4ea0ac5cec28ceb4d2a505ed5dd7e98fa13ded39d1114a0ca7e7f

        • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build2.exe

          Filesize

          370KB

          MD5

          6a7892ece7e8bf85628e0e769560b7cb

          SHA1

          e13140e719218b14dd168467a63d481c7259df8c

          SHA256

          363dd986f98ab17b465354c93bd6f2b391b81593887dc88a0818d3d07264f844

          SHA512

          0091f76a7acf12ce121cc89702bbc7116cd91c4d69be1aaded7deabff92f7a913572d50b37b4ea0ac5cec28ceb4d2a505ed5dd7e98fa13ded39d1114a0ca7e7f

        • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\41b5b195-6cf4-4fc1-830c-b7306c2b4a50\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\603f47b9-04d9-4068-9d5d-69edde4a3168\7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc.exe

          Filesize

          732KB

          MD5

          0087d46637faa19e860ce34c0a1b0573

          SHA1

          54a99e6319443d3b5c2c0d70d442fc2f9e3d50fb

          SHA256

          7414d634949357b0f7b37264bb4f877c450101d93da143dd1b155ee5fcac38dc

          SHA512

          c4dc96b4222ac1f7721bf815ef051e272510d597bdae27698b6ed18bd265e5ca87f22b9071aa4217baa199df6cda882948e4f95cb83ae155cb30347808092254

        • 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/372-136-0x0000000002250000-0x000000000236B000-memory.dmp

          Filesize

          1.1MB

        • memory/372-135-0x0000000000812000-0x00000000008A4000-memory.dmp

          Filesize

          584KB

        • memory/1720-147-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1720-152-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1720-168-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1720-145-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2672-146-0x0000000000601000-0x0000000000693000-memory.dmp

          Filesize

          584KB

        • memory/4520-164-0x00000000007C2000-0x00000000007F3000-memory.dmp

          Filesize

          196KB

        • memory/4520-166-0x0000000000590000-0x00000000005E7000-memory.dmp

          Filesize

          348KB

        • memory/4832-165-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4832-163-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4832-161-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4832-167-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4832-169-0x0000000060900000-0x0000000060992000-memory.dmp

          Filesize

          584KB

        • memory/4832-192-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4832-190-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4940-142-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4940-137-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4940-139-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4940-134-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4940-133-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB