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Analysis

  • max time kernel
    145s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2023, 09:15

General

  • Target

    4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe

  • Size

    700KB

  • MD5

    b37dbbda5cccadaf790a2f4ba521655c

  • SHA1

    ff1b5b752b332e58fa677f94439b6794163845cc

  • SHA256

    4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4

  • SHA512

    6a12f635653846488adc8c228aca1e4fd317f15210c7f74397148cf61a58d88128f18e40bf52bd51acc18447b63143e7fec2ec20c9b481475733f6b0bb35067a

  • SSDEEP

    12288:BTrSALLMFjbd4ZoBt6pC1ImD7DAf6SPddH6jUx2JKcS3wmxk8ibCmn3tdM0/Poyc:JrSAOjGZoBhIcDo3PdZ6jUxMtO28Lm3L

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qowd

  • offline_id

    Xh1imMzV8WzAm0eIWyn37eXohcBDjfS7qtFBdEt1

  • payload_url

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

    http://jiqaz.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-iftnY5iBx9 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: 0652JOsie

rsa_pubkey.plain

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
  • 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\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe
    "C:\Users\Admin\AppData\Local\Temp\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Users\Admin\AppData\Local\Temp\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe
      "C:\Users\Admin\AppData\Local\Temp\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:616
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\ca1da8eb-e6e3-4da4-890d-1c0685302180" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4136
      • C:\Users\Admin\AppData\Local\Temp\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe
        "C:\Users\Admin\AppData\Local\Temp\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Users\Admin\AppData\Local\Temp\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe
          "C:\Users\Admin\AppData\Local\Temp\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2640
          • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe
            "C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:5004
            • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe
              "C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\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:5012
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2908
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:1800
          • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build3.exe
            "C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2632
            • 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:4988
  • 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:2324
    • 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:1980

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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

    3d709b49b93ebdc9348abe07dcfc03af

    SHA1

    fe43803a65a1d0bc5c78a17ac0512f5b73dc0eb7

    SHA256

    3e13f7ee8e04dd4d2457cdb1a0b2c2ac2a6683ea0dd170bdc52530c028269ca3

    SHA512

    fbd430e0129bcd3bf1a2fa42d1edae9772ba987f9c6b34ce31b68dcb725ed0f676c739f5b87044a63fafa6aa7d172d1516f7924256b7e72ed6a77a2cf3cbbe30

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

    Filesize

    1KB

    MD5

    ffe4ef7ceab13fb12cead492bc0f3aaa

    SHA1

    f2c4fe7ac0a83ef08b18a5a2e33b28fafbc65d38

    SHA256

    4ce14fd642beceac1c2e9dab59e6dff95b608afdb541863ae8f6d574dab5a089

    SHA512

    9abb9d7240358a82b756b0a704dd36fe4d57650a8f4ce0d554b4dbce8273377a4e33ef94977b07ca3baa58d3b06066145cb8cc011af5bac2d10b6f2764b4fd09

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

    Filesize

    488B

    MD5

    17492c4a6894c60c4ed35e2912240f09

    SHA1

    b7a3912233f23d64a555c98f7bc0fa078d0ac3b6

    SHA256

    38c813794965581e7b2d608777038a973ca46058f6171cc20f81bee04603a4f1

    SHA512

    6d74a1a67d99e0d4aded79b0713272a985915357a7370ec60a742c7f33ba275b9b03920c1704c329545e90e3c16913cafef1e1efa2d13748899edffb5ae56bed

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

    Filesize

    482B

    MD5

    704971a7aba4973cc86ca2d960ed13d4

    SHA1

    529b09f709eb1b7c88a9f86c5673bfdfe03b2cff

    SHA256

    18eae1c2dec73fc9a0b82f43485e823dae704412e28babaf90d8fd0f7459be5f

    SHA512

    63d41e9dc8c7d2b66b2442b64640743610f7d63cbb2ec3b862abf0b37462536d6a6fef6ab136973ced93e5a3c251c3a0c81cb094cda266a2773ac7c0cdedd196

  • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe

    Filesize

    394KB

    MD5

    04ca884d1642ba6051f501ca5c66375a

    SHA1

    ca1f3a4503b3f9c9e765fd9a23e3513a13030a94

    SHA256

    8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1

    SHA512

    cb046de26c7fe1f4dcb34c1683415fd83fe18777dc8b88d534a6a09f262e2ea1d2ae7187e0d91d4f9a4f8d7a94e7a7740335de274f85e36d978bc7947f4e97c3

  • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe

    Filesize

    394KB

    MD5

    04ca884d1642ba6051f501ca5c66375a

    SHA1

    ca1f3a4503b3f9c9e765fd9a23e3513a13030a94

    SHA256

    8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1

    SHA512

    cb046de26c7fe1f4dcb34c1683415fd83fe18777dc8b88d534a6a09f262e2ea1d2ae7187e0d91d4f9a4f8d7a94e7a7740335de274f85e36d978bc7947f4e97c3

  • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe

    Filesize

    394KB

    MD5

    04ca884d1642ba6051f501ca5c66375a

    SHA1

    ca1f3a4503b3f9c9e765fd9a23e3513a13030a94

    SHA256

    8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1

    SHA512

    cb046de26c7fe1f4dcb34c1683415fd83fe18777dc8b88d534a6a09f262e2ea1d2ae7187e0d91d4f9a4f8d7a94e7a7740335de274f85e36d978bc7947f4e97c3

  • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build2.exe

    Filesize

    394KB

    MD5

    04ca884d1642ba6051f501ca5c66375a

    SHA1

    ca1f3a4503b3f9c9e765fd9a23e3513a13030a94

    SHA256

    8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1

    SHA512

    cb046de26c7fe1f4dcb34c1683415fd83fe18777dc8b88d534a6a09f262e2ea1d2ae7187e0d91d4f9a4f8d7a94e7a7740335de274f85e36d978bc7947f4e97c3

  • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\7bf5151c-644f-4a7f-b371-b18b7adbf3d8\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\ca1da8eb-e6e3-4da4-890d-1c0685302180\4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe

    Filesize

    700KB

    MD5

    b37dbbda5cccadaf790a2f4ba521655c

    SHA1

    ff1b5b752b332e58fa677f94439b6794163845cc

    SHA256

    4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4

    SHA512

    6a12f635653846488adc8c228aca1e4fd317f15210c7f74397148cf61a58d88128f18e40bf52bd51acc18447b63143e7fec2ec20c9b481475733f6b0bb35067a

  • 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/616-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/616-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/616-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/616-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/616-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-166-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-165-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-163-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-191-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-157-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-278-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4696-136-0x0000000002470000-0x000000000258B000-memory.dmp

    Filesize

    1.1MB

  • memory/5004-181-0x0000000002D20000-0x0000000002D7D000-memory.dmp

    Filesize

    372KB

  • memory/5012-180-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/5012-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/5012-273-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/5012-274-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/5012-275-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/5012-204-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/5012-182-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/5012-178-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB