Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2023, 00:03

General

  • Target

    654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe

  • Size

    694KB

  • MD5

    e2eb4f2b773bb223458c16664b6d9f84

  • SHA1

    c2b767f54c523eb3f66b43bf9c6963d0e784d57a

  • SHA256

    654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f

  • SHA512

    e230a5b35aea37c89f9402c3848102fda05e5f8497ce8cb096b41319fdfe06ec3d94104f2bf67e5876dbd87d4b0a711f6f8c62efcd3876851956f583b5a6a477

  • SSDEEP

    12288:LJW9/+0fL55th3Zo2G5Gi4Bij0tZlAWjRCFny8fPOsd1jwiX5J:teDEw/4Fny8X7jwiJ

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mzhi

  • offline_id

    64GZgS7xxeK837qu1w0KPUK0sweaDoAeJlv15vt1

  • 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-sxZWJ43EKx 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: 0797JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.8

Botnet

be957cbbdc7ee5ad3ee6c696b5eb3079

C2

https://steamcommunity.com/profiles/76561199555780195

https://t.me/solonichat

Attributes
  • profile_id_v2

    be957cbbdc7ee5ad3ee6c696b5eb3079

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36

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).

  • 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.

  • 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\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe
    "C:\Users\Admin\AppData\Local\Temp\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\AppData\Local\Temp\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe
      "C:\Users\Admin\AppData\Local\Temp\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\00f73a7f-a94e-4a80-aaca-068f01cde50d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1644
      • C:\Users\Admin\AppData\Local\Temp\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe
        "C:\Users\Admin\AppData\Local\Temp\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1504
        • C:\Users\Admin\AppData\Local\Temp\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe
          "C:\Users\Admin\AppData\Local\Temp\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4348
          • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe
            "C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3368
            • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe
              "C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\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:3048
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:5056
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:1996
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 1580
                7⤵
                • Program crash
                PID:4832
          • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build3.exe
            "C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2900
            • 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:4516
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3048 -ip 3048
    1⤵
      PID:3872
    • 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:1332
      • 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:4660

    Network

    MITRE ATT&CK Enterprise v15

    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

      993958080848259a8e4cbf9fc598cd5f

      SHA1

      62dfb1fdc2d4d63ea79480234934130bf42bcd6d

      SHA256

      a92f1156a0f335c6acb4b46869b6237940122d3b08c477bdbf9bd108fcda1676

      SHA512

      2b246d4090a3d5bf09385f138873202346820e18725d51967dc80a2fcd72861aeb8eb97696bed63dc19c05bedd421bae736a85e86eb7dec03418be5fbf765d2c

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

      Filesize

      1KB

      MD5

      04adf49f7cb2a9971d067ad6f54f0a0d

      SHA1

      acf73f786d08010c50893b903820b245a49b4314

      SHA256

      5d27f8ef9d7d4c32007ca92faf963e41cf4ef8a8678f9a35925391a29c48426d

      SHA512

      e070d9257806919f0b0f48c77777b1946442185a8c9c54cd645262c9a43dcc553b6b084b153efa5f473876e91f88359afcedb0febaff84cdd6736ecdc828679b

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

      Filesize

      488B

      MD5

      96ccdd89c20cf5ddc631dd6b048ec7d0

      SHA1

      0e73e00a530ac1749670ebadf6ef9a3d607369c4

      SHA256

      2071ff2b99876750b292604626cf2ccaf723bd18c5715befaec32eedb8377755

      SHA512

      e690ce921210ff532ca0a06c3d2251084ddcca55e488587ce7605987ffb71054843cf91eea0cd53510dcc38ac5db29723038cb08a1c317c42525643f20000ec3

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

      Filesize

      482B

      MD5

      4f694143c82787180c96b1efb09fbca4

      SHA1

      424a5ecf908ffc83f0755293d3b07b338ea91818

      SHA256

      199d7f1f6c8c34b2a71e0e4bb26b6a33ebfb71109b9a74dd9d8bae1cb883111e

      SHA512

      51898520185adaefe68ee7b48909a42e87c75454ab8c1fa791479bc5e1957070acd33a37b982592ec5d2f37e53265697c10d6f89bf534beffc548340c4560807

    • C:\Users\Admin\AppData\Local\00f73a7f-a94e-4a80-aaca-068f01cde50d\654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f.exe

      Filesize

      694KB

      MD5

      e2eb4f2b773bb223458c16664b6d9f84

      SHA1

      c2b767f54c523eb3f66b43bf9c6963d0e784d57a

      SHA256

      654e4090f8122211982a86e12221413947c40b613c7e671093607a6d4646108f

      SHA512

      e230a5b35aea37c89f9402c3848102fda05e5f8497ce8cb096b41319fdfe06ec3d94104f2bf67e5876dbd87d4b0a711f6f8c62efcd3876851956f583b5a6a477

    • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe

      Filesize

      418KB

      MD5

      dcd1bd0f92fe24bf269f0e3ace8de280

      SHA1

      73c06bb4010b87a83e07bcaf3d181e68d24da11f

      SHA256

      fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456

      SHA512

      2846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb

    • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe

      Filesize

      418KB

      MD5

      dcd1bd0f92fe24bf269f0e3ace8de280

      SHA1

      73c06bb4010b87a83e07bcaf3d181e68d24da11f

      SHA256

      fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456

      SHA512

      2846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb

    • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe

      Filesize

      418KB

      MD5

      dcd1bd0f92fe24bf269f0e3ace8de280

      SHA1

      73c06bb4010b87a83e07bcaf3d181e68d24da11f

      SHA256

      fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456

      SHA512

      2846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb

    • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build2.exe

      Filesize

      418KB

      MD5

      dcd1bd0f92fe24bf269f0e3ace8de280

      SHA1

      73c06bb4010b87a83e07bcaf3d181e68d24da11f

      SHA256

      fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456

      SHA512

      2846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb

    • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\5e848463-66f6-4c53-8c6f-b55b4922dc07\build3.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

    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • memory/940-1-0x0000000002340000-0x000000000245B000-memory.dmp

      Filesize

      1.1MB

    • memory/940-4-0x0000000000690000-0x0000000000722000-memory.dmp

      Filesize

      584KB

    • memory/940-0-0x0000000000690000-0x0000000000722000-memory.dmp

      Filesize

      584KB

    • memory/1504-17-0x0000000000650000-0x00000000006E2000-memory.dmp

      Filesize

      584KB

    • memory/3048-77-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3048-54-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/3048-118-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/3048-119-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/3048-120-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/3048-55-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/3048-50-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/3048-53-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/3368-49-0x0000000002750000-0x0000000002850000-memory.dmp

      Filesize

      1024KB

    • memory/3368-51-0x00000000041F0000-0x0000000004241000-memory.dmp

      Filesize

      324KB

    • memory/4348-33-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-27-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-20-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-19-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-123-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-74-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-21-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-26-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-34-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4348-31-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4744-15-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4744-2-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4744-3-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4744-6-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4744-5-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB