Analysis

  • max time kernel
    145s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2023 09:26

General

  • Target

    d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe

  • Size

    713KB

  • MD5

    5bc997bf11de6cdaea65cba20a84eafe

  • SHA1

    c0fdbf6eabb9558f8e1b466d2a9950842a4b205f

  • SHA256

    d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492

  • SHA512

    af520e5481d44bfa79e47081979d6d040e957575004b3892f3d50d93459740970defb264b949b64bdac0cc785c3700cc3c3f1f23fe20168d799da353260bd043

  • SSDEEP

    12288:FFv1Habl3Nydq6jggVx1vRONP64du3AX2YTjWYCOJs1+UTBqo53h:5oNubEYvQNP64c3SRTjvCOJ5UTBq2x

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gaze

  • offline_id

    jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1

  • 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-sD0OUYo1Pd 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: 0710JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes
  • profile_id_v2

    9dfa7ee730fa2f1efb5ed51dbbec22f5

  • user_agent

    Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

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 2 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).

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe
    "C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe
      "C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\c2df0a57-e21e-47fd-969f-a70ca809c6c2" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1612
      • C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe
        "C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:400
        • C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe
          "C:\Users\Admin\AppData\Local\Temp\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1124
          • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe
            "C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1932
            • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe
              "C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:2612
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 1868
                7⤵
                • Program crash
                PID:1284
          • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build3.exe
            "C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3128
            • 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:4348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2612 -ip 2612
    1⤵
      PID:808
    • 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:2988
      • 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:3760

    Network

    MITRE ATT&CK Enterprise v6

    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

      3a98270c0f3ec57a1ffa63648264bcb6

      SHA1

      ae481992ba0ddee00978fe6299deb55c479da13b

      SHA256

      97f6a2a8a436683df74da9f372507bd3e3c7a57b7157782c703c2e7583628d99

      SHA512

      50bba20c9d510e2ab5b295fe75e926cdff5ca9dfa64849c2dde51be3341ee8bc5de6726f05ea6dfade6c8b4a38cdf8241e39b5516e4e312e92295c15131f9cce

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

      Filesize

      1KB

      MD5

      45c2d61da08d4d08d780e2f8ec5442aa

      SHA1

      d822e746572e4240bd41a384bc15da046cb0161a

      SHA256

      5a76f2739a91dfac0c99580b4e766f08fac5b443f1f8d7bd597e6725bffce05e

      SHA512

      7846d26f4884703f61d5742938ee5fdf9e0b5340aa7d4e9f3247006db66ef48459b4a8cb63859952abbaf3c0f97fa92e61177ae77390a85145d669036a00a553

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

      Filesize

      488B

      MD5

      3312bb06918c8146767c8aee91ebfdf2

      SHA1

      da3f6ff5d90e583d76cd423a188a175471aa7ee3

      SHA256

      d7467590da57afe53a4d1b42119561afac9f3aa99e755ddd8cff37414fffb5c3

      SHA512

      a4beb7c2a72dd8a9f49feb1a60874c6dd7f0580fa780a510d6f6decc3694e9d733122d2f2436a784d38196e7dcc3a98cdec8c396c8e03ed30e545cb1a3ec5732

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

      Filesize

      482B

      MD5

      239145ab539714be85ecb26987524cd0

      SHA1

      1f59a7f31b39fe71b6c938cab3531b81cb138f38

      SHA256

      f76d094a3b1502aa240472932e01557f6a29d083560c18f31edf79f76ea0922c

      SHA512

      0d13c95bb0979e7fd44f6a422a7d921fa7e3f103915d4b88b395331a1a02545090a66771d69ec33fa9df4e9d353be82219550a75a2c6d170ccab11105ce9df60

    • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe

      Filesize

      379KB

      MD5

      37b6aab56a0f770ce58a670322361a1c

      SHA1

      87606604cdaa89b93d4d1b5e3e12f5ec24f60016

      SHA256

      3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

      SHA512

      7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

    • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe

      Filesize

      379KB

      MD5

      37b6aab56a0f770ce58a670322361a1c

      SHA1

      87606604cdaa89b93d4d1b5e3e12f5ec24f60016

      SHA256

      3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

      SHA512

      7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

    • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe

      Filesize

      379KB

      MD5

      37b6aab56a0f770ce58a670322361a1c

      SHA1

      87606604cdaa89b93d4d1b5e3e12f5ec24f60016

      SHA256

      3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

      SHA512

      7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

    • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build2.exe

      Filesize

      379KB

      MD5

      37b6aab56a0f770ce58a670322361a1c

      SHA1

      87606604cdaa89b93d4d1b5e3e12f5ec24f60016

      SHA256

      3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

      SHA512

      7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

    • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\6887c729-17b9-46ba-b149-7e8a42cf13c7\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\c2df0a57-e21e-47fd-969f-a70ca809c6c2\d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492.exe

      Filesize

      713KB

      MD5

      5bc997bf11de6cdaea65cba20a84eafe

      SHA1

      c0fdbf6eabb9558f8e1b466d2a9950842a4b205f

      SHA256

      d994ac1b92ff4e9b9cc9b7bfa1ee0857c405967e28b5fdf02ab2b70c116d6492

      SHA512

      af520e5481d44bfa79e47081979d6d040e957575004b3892f3d50d93459740970defb264b949b64bdac0cc785c3700cc3c3f1f23fe20168d799da353260bd043

    • 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/1124-163-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-158-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-166-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-202-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-157-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-152-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-151-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-165-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-159-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1124-278-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1244-147-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1244-134-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1244-137-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1244-138-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1244-135-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1728-136-0x00000000023E0000-0x00000000024FB000-memory.dmp

      Filesize

      1.1MB

    • memory/1932-185-0x0000000000A80000-0x0000000000AD7000-memory.dmp

      Filesize

      348KB

    • memory/2612-183-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2612-208-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2612-276-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2612-186-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2612-279-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2612-280-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2612-281-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2612-184-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2612-181-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB