Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2023, 21:20

General

  • Target

    fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe

  • Size

    860KB

  • MD5

    9ff2429c09460e7e6a46ace409964f7e

  • SHA1

    9a7fe6bbcbe51aae0d8ec4e45a6b7aa2a5495775

  • SHA256

    fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8

  • SHA512

    d2b3d9e110e771883fbcd7d00b7a2bfb7b1e2644225a75890cbb31f69842da2325a23d01ca5439f0d34513cef66da3dc80aabf65c01c0855bf1091f51262c107

  • SSDEEP

    12288:ynxX6qA5+wKZQQdUIipi/n9FstRD/rmTTyWZx60ViSFoZYe117t4:yxqhsZQQdfikfstRM920Vbg154

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .coza

  • offline_id

    O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1

  • payload_url

    http://uaery.top/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-bs3qPf67hU 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: 0693JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.4

Botnet

623db25256a5734d1207787d269d05b2

C2

https://steamcommunity.com/profiles/76561199494593681

https://t.me/auftriebs

Attributes
  • profile_id_v2

    623db25256a5734d1207787d269d05b2

  • user_agent

    Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

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\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe
    "C:\Users\Admin\AppData\Local\Temp\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Users\Admin\AppData\Local\Temp\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe
      "C:\Users\Admin\AppData\Local\Temp\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\e5e39d51-d39d-4540-b32f-91d3c32b7ce0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1988
      • C:\Users\Admin\AppData\Local\Temp\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe
        "C:\Users\Admin\AppData\Local\Temp\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Users\Admin\AppData\Local\Temp\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe
          "C:\Users\Admin\AppData\Local\Temp\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4232
          • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe
            "C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1012
            • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe
              "C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\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:1812
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4816
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:2132
          • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build3.exe
            "C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:748
            • 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:2052
  • 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:4820
    • 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:3176

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

    f838e751561601656a6b0cddd802b4ff

    SHA1

    0b035759c7d278998715c34dcd033be5cc7d0896

    SHA256

    dec93fbf8d3a8b3951a0789164f619f108e49b5d8d261b83a15ebaf243bfa8a8

    SHA512

    bedb36214cf4983e23f343c09dfecfb2fa9b9ececffb92152d2657845b8079fb3bd3cf92910d2478b40fc50b190aaf0e2d4424fcb8e30cbbfd3ec2749f785662

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

    Filesize

    1KB

    MD5

    52cb8bd43cf270edbc9a64efe1227f5a

    SHA1

    171ee05a3ae34a4523ce45e755f112af07524abe

    SHA256

    63a889ab5b8bbea124af76c184974b7a8968fbd95eb048b16569cb0895d27c26

    SHA512

    1c5877fc5a5503e71518227ca1fef1b91315cf6de2d75aff3093e13c77384170e8b46d159e1d515023e2b0971243c00d6f89faadf46f2c3f078ec525fcef7097

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

    Filesize

    488B

    MD5

    c50526b053dd3dd39aae3f198eb6b210

    SHA1

    fce021a560284cb19535051ff4e724f8197f1982

    SHA256

    5b14ed62d46e5378647e31fa7b1fb693a1abbe16cec2183eb6d1e90c9e634feb

    SHA512

    3e43e725e29b61148ac065bce4d74d368668fdd30fc6d79134bb9ff8aecccbfabede1a3c5e66b91cfa4434e374a145eed4a7ea50caeca071c0691bd5870ee527

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

    Filesize

    482B

    MD5

    552b6f3279a726923b4e837f3aa678fc

    SHA1

    d089d6675f673883e8de644a19eba0021b35646d

    SHA256

    fc7a0d0161db299d4ba1f86c9c91a52fba116581223aae47cd5fa3b2c2ce8dd8

    SHA512

    1a0e6a477df7cd1272f8b124e9dd890ad89cc95e13d295708f43a11112d16fe48e7bdd34a03716d9480bc5defaf6bbbc77201df13d7cf99d323c3503f88a8595

  • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe

    Filesize

    308KB

    MD5

    aa24958e84ca0a33c313d61d8d43a62d

    SHA1

    55aa402c9909828172adf99aef35ddaf25f016f5

    SHA256

    1cc37720fb14545fac7749d5da5a4cd975b0395bd48b376bc059d3af7c2155ea

    SHA512

    00612a24416fd76e77a3e1f24e55903043c12f8e58e833b2bf63d63be63a33064ae3fffab036b16b00099e085efb255b82a3449f79a077b7537120c253c35a66

  • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe

    Filesize

    308KB

    MD5

    aa24958e84ca0a33c313d61d8d43a62d

    SHA1

    55aa402c9909828172adf99aef35ddaf25f016f5

    SHA256

    1cc37720fb14545fac7749d5da5a4cd975b0395bd48b376bc059d3af7c2155ea

    SHA512

    00612a24416fd76e77a3e1f24e55903043c12f8e58e833b2bf63d63be63a33064ae3fffab036b16b00099e085efb255b82a3449f79a077b7537120c253c35a66

  • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe

    Filesize

    308KB

    MD5

    aa24958e84ca0a33c313d61d8d43a62d

    SHA1

    55aa402c9909828172adf99aef35ddaf25f016f5

    SHA256

    1cc37720fb14545fac7749d5da5a4cd975b0395bd48b376bc059d3af7c2155ea

    SHA512

    00612a24416fd76e77a3e1f24e55903043c12f8e58e833b2bf63d63be63a33064ae3fffab036b16b00099e085efb255b82a3449f79a077b7537120c253c35a66

  • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build2.exe

    Filesize

    308KB

    MD5

    aa24958e84ca0a33c313d61d8d43a62d

    SHA1

    55aa402c9909828172adf99aef35ddaf25f016f5

    SHA256

    1cc37720fb14545fac7749d5da5a4cd975b0395bd48b376bc059d3af7c2155ea

    SHA512

    00612a24416fd76e77a3e1f24e55903043c12f8e58e833b2bf63d63be63a33064ae3fffab036b16b00099e085efb255b82a3449f79a077b7537120c253c35a66

  • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b77b16ab-00c9-4e0b-b1b0-8fb825b2a926\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\e5e39d51-d39d-4540-b32f-91d3c32b7ce0\fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8.exe

    Filesize

    860KB

    MD5

    9ff2429c09460e7e6a46ace409964f7e

    SHA1

    9a7fe6bbcbe51aae0d8ec4e45a6b7aa2a5495775

    SHA256

    fdd061f5d148d1ad07f755c74b7757f5a64c201d7aa38f27cf18893450a7b2e8

    SHA512

    d2b3d9e110e771883fbcd7d00b7a2bfb7b1e2644225a75890cbb31f69842da2325a23d01ca5439f0d34513cef66da3dc80aabf65c01c0855bf1091f51262c107

  • 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/1012-188-0x0000000002120000-0x0000000002177000-memory.dmp

    Filesize

    348KB

  • memory/1812-189-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1812-190-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1812-281-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1812-212-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1812-282-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1812-283-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1812-185-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1812-187-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1812-285-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2068-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2068-149-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2068-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2068-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2068-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3384-136-0x0000000002740000-0x000000000285B000-memory.dmp

    Filesize

    1.1MB

  • memory/4232-200-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-175-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-161-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-154-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-173-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-284-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-170-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-163-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4232-162-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB