Analysis

  • max time kernel
    121s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2022 14:39

General

  • Target

    ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68.exe

  • Size

    1.1MB

  • MD5

    7a029b7d88d91f669e4bbb026e8e79af

  • SHA1

    9da77bc6d352576fe1d4fbd9313d07ec9345c6c9

  • SHA256

    ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68

  • SHA512

    697ebe9775060733c72bff4473ff907ccc0fce8496ab5fb38b60184535e91d0d728ff68f763ff98ce0900ecace7a96a5bc610631ad3f0325dd482143b9ddb59f

  • SSDEEP

    24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO81WQHUq7:F0dwAYZt6C31WeTVRPOh17Uq7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .isal

  • offline_id

    m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1

  • 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: 0620IsgU

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 1 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 1 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68.exe
    "C:\Users\Admin\AppData\Local\Temp\ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\ee4fbd31-6094-4b89-9d27-4377c38666ce" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:5020
    • C:\Users\Admin\AppData\Local\Temp\ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68.exe
      "C:\Users\Admin\AppData\Local\Temp\ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4996
      • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe
        "C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4816
        • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe
          "C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:820
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe" & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4740
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 6
              6⤵
              • Delays execution with timeout.exe
              PID:3816
      • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build3.exe
        "C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build3.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:32
        • 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"
          4⤵
          • Creates scheduled task(s)
          PID:4884
  • 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:776
    • 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:2868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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

    0f419c66dbc4946c001394e2910c173d

    SHA1

    e988a2291023e4c29b6442bfdeaacd9a83f0c640

    SHA256

    763aeee4de549d18d1e3a30be29961f5ffe2ce794179d13a06f44dd57a0b6b48

    SHA512

    c9d6c5459b055cecec7d7ed00f7774144b06fb2a4511bfc110a83577ed4517595a325f51e0579238d28550cf76de0a276f9d8bc322898c763b987a649e643918

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

    Filesize

    1KB

    MD5

    c6964c598d970f6c97ea4092e97d517d

    SHA1

    690351843ee9c5dae635519f869192bb786207c6

    SHA256

    8901c2d40e486f904090f6ee8e107197cdb876c5bfe5fd7ce2d212e3330eba4a

    SHA512

    7fbaf67a4c6f9603c11ccfb42e65a42841c5f68baaf6817b84e0b48ad036636772adf06bc00b9b31ca33342b4c43854f6e5e750247bc718dd6ad1d5342e38aae

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

    Filesize

    488B

    MD5

    3123cc0c2a934f52334dd83c200042c0

    SHA1

    ea41973268ea3fdbf2c6ec34657cb25679616133

    SHA256

    14d060340ec21ffc71e7f02da42bce33dea4c6cb66b0ea3ba38adad6a5a5fc84

    SHA512

    5bfe4e1ec6cf6f63e7837ed929ee33ed241c8617075617cf2d8a271ecb8c53e8a7bbad4cd07967a05b468da0183d6b0ca5e631145a46da58bdfa09cdb595db2d

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

    Filesize

    482B

    MD5

    8ba6db9e2e9ff97f0a2b5710947b808b

    SHA1

    813396347491bc5c40182654d3b9e5b9b51f6238

    SHA256

    cac8e48cf409159742d4cb3818fdf24eaa46faa37aae137420aef213bd7024ef

    SHA512

    3111b2f43938857c388eac56967e0bca33d49540e210b1fbab8f69e8fc13ad7c9495ea220453576d5146cdaa50becb3157bf9c7aacbaee94bd4c2d8faabe7ec7

  • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe

    Filesize

    409KB

    MD5

    a131064868de7468d2e768211431401b

    SHA1

    381ad582f72b30b4764afe0a817569b384be65a2

    SHA256

    027bcfc4c5b4a06371e94f4a6b5f69cbee5bcad651d91115132844a2c10885a1

    SHA512

    40fc84899d7bed5c49980f984e3c1446dece3861e5e107fa71e1876f4b778aa8369f03422a971d144f8e65f62a109f53ba94e86bc6ddec478d1bc71f3bb29309

  • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe

    Filesize

    409KB

    MD5

    a131064868de7468d2e768211431401b

    SHA1

    381ad582f72b30b4764afe0a817569b384be65a2

    SHA256

    027bcfc4c5b4a06371e94f4a6b5f69cbee5bcad651d91115132844a2c10885a1

    SHA512

    40fc84899d7bed5c49980f984e3c1446dece3861e5e107fa71e1876f4b778aa8369f03422a971d144f8e65f62a109f53ba94e86bc6ddec478d1bc71f3bb29309

  • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build2.exe

    Filesize

    409KB

    MD5

    a131064868de7468d2e768211431401b

    SHA1

    381ad582f72b30b4764afe0a817569b384be65a2

    SHA256

    027bcfc4c5b4a06371e94f4a6b5f69cbee5bcad651d91115132844a2c10885a1

    SHA512

    40fc84899d7bed5c49980f984e3c1446dece3861e5e107fa71e1876f4b778aa8369f03422a971d144f8e65f62a109f53ba94e86bc6ddec478d1bc71f3bb29309

  • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b26daedc-6695-4925-86f7-98e4ae3d8010\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\ee4fbd31-6094-4b89-9d27-4377c38666ce\ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68.exe

    Filesize

    1.1MB

    MD5

    7a029b7d88d91f669e4bbb026e8e79af

    SHA1

    9da77bc6d352576fe1d4fbd9313d07ec9345c6c9

    SHA256

    ed9dec92feeedf235e033a889adc4fc3c04463569c50e58ec04d49d215081a68

    SHA512

    697ebe9775060733c72bff4473ff907ccc0fce8496ab5fb38b60184535e91d0d728ff68f763ff98ce0900ecace7a96a5bc610631ad3f0325dd482143b9ddb59f

  • 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/32-147-0x0000000000000000-mapping.dmp

  • memory/820-153-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/820-154-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/820-148-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/820-176-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/820-146-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/820-142-0x0000000000000000-mapping.dmp

  • memory/820-143-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2868-180-0x0000000000000000-mapping.dmp

  • memory/3816-177-0x0000000000000000-mapping.dmp

  • memory/4740-175-0x0000000000000000-mapping.dmp

  • memory/4816-149-0x00000000005F0000-0x0000000000643000-memory.dmp

    Filesize

    332KB

  • memory/4816-145-0x00000000006D8000-0x0000000000706000-memory.dmp

    Filesize

    184KB

  • memory/4816-139-0x0000000000000000-mapping.dmp

  • memory/4884-152-0x0000000000000000-mapping.dmp

  • memory/4996-134-0x0000000000000000-mapping.dmp

  • memory/5020-132-0x0000000000000000-mapping.dmp