Analysis

  • max time kernel
    291s
  • max time network
    198s
  • platform
    windows7_x64
  • resource
    win7-20230705-en
  • resource tags

    arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2023 23:59

General

  • Target

    90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe

  • Size

    755KB

  • MD5

    f96ba2288fcca81249ed1ab0bcdc4cb7

  • SHA1

    e48f7d4efacf12bbc2a2793f37905fc3583b8cac

  • SHA256

    90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35

  • SHA512

    8a7c58c151ffc762894940ec88ec92fd2f19ade435aa643762c47122a1c61ad40ac5998dcc1046b5e61fa020da158761bbbe4869ed49f4b7c9afa5915c83b28a

  • SSDEEP

    12288:YEELn/grg5+gFseowj34r+3sMNlSWcc3W0svKWq9fk0n:g/jzFselJ3sMNPR3pnrkg

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wazp

  • offline_id

    V5TMuF1BBuDZFeJXDU5xmjrzp6rwS1IuZWNpDCt1

  • 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-6Dm02j1lRa 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: 0738ISdik

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.6

Botnet

dcad9d884915bbb6106f78e5e2ea6168

C2

https://steamcommunity.com/profiles/76561199523054520

https://t.me/game4serv

Attributes
  • profile_id_v2

    dcad9d884915bbb6106f78e5e2ea6168

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:103.0) Gecko/20100101 Firefox/103.0

Signatures

  • Detected Djvu ransomware 14 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
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 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 2 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).

  • 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe
    "C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe
      "C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\0e4398b4-b442-4cc5-8891-5ee0a568d761" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2012
      • C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe
        "C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe
          "C:\Users\Admin\AppData\Local\Temp\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:844
          • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe
            "C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2632
            • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe
              "C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Modifies system certificate store
              • Suspicious behavior: EnumeratesProcesses
              PID:1440
          • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build3.exe
            "C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2776
  • 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"
    1⤵
    • Creates scheduled task(s)
    PID:564
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D2822BA0-80B9-4B18-884E-AE2B87B85226} S-1-5-21-511725148-388773979-2853099937-1000:NDNQFVMO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1256
      • 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"
        3⤵
        • Creates scheduled task(s)
        PID:2124

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    370dbffdbd792a37c6cc6026105e8f9e

    SHA1

    5f75dc09fdfc27cbe8dc8bd4abaad2b3e2eff915

    SHA256

    d482fe5f8796ad017fab174f41c89a878ee515635360fc395b115251b1adc7e1

    SHA512

    055ba6d7062ec31fddc332f16b89c0580da11e39f88956773090e841f224627948dbebecfd0baf9e6f6b1cca015d37556af55b5c35e53b5302dfecb1e033f501

  • C:\Users\Admin\AppData\Local\0e4398b4-b442-4cc5-8891-5ee0a568d761\90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35.exe

    Filesize

    755KB

    MD5

    f96ba2288fcca81249ed1ab0bcdc4cb7

    SHA1

    e48f7d4efacf12bbc2a2793f37905fc3583b8cac

    SHA256

    90dea89dd36fc246759b05d91359c3ce2fc298c9e3d6160161a9c58c8a981c35

    SHA512

    8a7c58c151ffc762894940ec88ec92fd2f19ade435aa643762c47122a1c61ad40ac5998dcc1046b5e61fa020da158761bbbe4869ed49f4b7c9afa5915c83b28a

  • C:\Users\Admin\AppData\Local\Temp\Cab8D45.tmp

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\Tar8E61.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\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

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • \Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • \Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • \Users\Admin\AppData\Local\a759bfa6-58b9-41b6-b584-4020793751e5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • memory/844-101-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-130-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-231-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-122-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-128-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-192-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-102-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-106-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/844-105-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1440-124-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1440-181-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1440-125-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1440-251-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1440-196-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1440-253-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1440-250-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1440-132-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1668-97-0x00000000002E0000-0x0000000000371000-memory.dmp

    Filesize

    580KB

  • memory/2276-58-0x0000000001D60000-0x0000000001E7B000-memory.dmp

    Filesize

    1.1MB

  • memory/2276-54-0x0000000001C90000-0x0000000001D21000-memory.dmp

    Filesize

    580KB

  • memory/2344-59-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2344-60-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2344-95-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2344-56-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2344-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-126-0x0000000000220000-0x00000000002AD000-memory.dmp

    Filesize

    564KB