Resubmissions

14/03/2024, 16:15

240314-tqmebsag25 10

14/03/2024, 15:36

240314-s1w6vafg9t 10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2024, 15:36

General

  • Target

    5b9adba171cd2853acc8533c96e1c814.exe

  • Size

    271KB

  • MD5

    5b9adba171cd2853acc8533c96e1c814

  • SHA1

    d415ff5fc9caa6fd4e7e69bc8ea7b42e9c84e7b1

  • SHA256

    6ba1032624069a6bd1ff582c5e83832976fb693dd8814c4ac14e94dbbdf4c00d

  • SHA512

    27f2f2c4670fddcb40364e6373561261a5631353651bc29c72e1bd270c594db084351b8cc25c531fe5097c9ab5fe0c0b3f173a36e3b47901ebf7cd3763074bd5

  • SSDEEP

    3072:s+qUpt6FGAamWyuILne8gQ0LaP9um8JVNhdPWleHO2ImTHrNlokp8ae:sG6oATg8XMkEJvhd+leuFm/K

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wisz

  • offline_id

    4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/a832401adcd58098c699f768ffea4f1720240305114308/7e601a Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0853PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.3

Botnet

82df9629d6ef6fc7fe54d6eb2bc6137b

C2

https://steamcommunity.com/profiles/76561199651834633

https://t.me/raf6ik

Attributes
  • profile_id_v2

    82df9629d6ef6fc7fe54d6eb2bc6137b

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Signatures

  • Detect Vidar Stealer 4 IoCs
  • Detected Djvu ransomware 13 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b9adba171cd2853acc8533c96e1c814.exe
    "C:\Users\Admin\AppData\Local\Temp\5b9adba171cd2853acc8533c96e1c814.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1924
  • C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\B23F.bat" "
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
      2⤵
        PID:2524
    • C:\Users\Admin\AppData\Local\Temp\7E16.exe
      C:\Users\Admin\AppData\Local\Temp\7E16.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Users\Admin\AppData\Local\Temp\7E16.exe
        C:\Users\Admin\AppData\Local\Temp\7E16.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2756
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Users\Admin\AppData\Local\d50fe91a-b30f-4e30-aa15-2ec992b15f4b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
          3⤵
          • Modifies file permissions
          PID:2384
        • C:\Users\Admin\AppData\Local\Temp\7E16.exe
          "C:\Users\Admin\AppData\Local\Temp\7E16.exe" --Admin IsNotAutoStart IsNotTask
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1796
          • C:\Users\Admin\AppData\Local\Temp\7E16.exe
            "C:\Users\Admin\AppData\Local\Temp\7E16.exe" --Admin IsNotAutoStart IsNotTask
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1192
            • C:\Users\Admin\AppData\Local\e7e79bdb-82dc-480d-856e-8926afabdd22\build2.exe
              "C:\Users\Admin\AppData\Local\e7e79bdb-82dc-480d-856e-8926afabdd22\build2.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1704
              • C:\Users\Admin\AppData\Local\e7e79bdb-82dc-480d-856e-8926afabdd22\build2.exe
                "C:\Users\Admin\AppData\Local\e7e79bdb-82dc-480d-856e-8926afabdd22\build2.exe"
                6⤵
                • Executes dropped EXE
                PID:2628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

      Filesize

      1KB

      MD5

      2a34ce354af3f2d55047b79cffa5a21f

      SHA1

      648fe2875042f6c8b9f7075f7d397d40b0f42baf

      SHA256

      73630542dd3bfbae4c3a1eae40e327a4c6d9a18eec4ef62826fcdc7c2b63a822

      SHA512

      a8b9f87de535d4a6cc0bf0b2621dcd2bf1b7b2a43fcae6d1cdef1da7e24e2577fb7ae4dfba6be215e260bfa8ed19f5f218a42fa06c4e4eac7b8ebd41bf91c12b

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

      Filesize

      67KB

      MD5

      753df6889fd7410a2e9fe333da83a429

      SHA1

      3c425f16e8267186061dd48ac1c77c122962456e

      SHA256

      b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

      SHA512

      9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

      Filesize

      724B

      MD5

      8202a1cd02e7d69597995cabbe881a12

      SHA1

      8858d9d934b7aa9330ee73de6c476acf19929ff6

      SHA256

      58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

      SHA512

      97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

      Filesize

      410B

      MD5

      8ee0e3eda0adc10516f58b3590ae253b

      SHA1

      ab7781919dad5c8ed9234a42ba2c977c38e4d7be

      SHA256

      459acaa515df09e684167fc2f8ee363690faa6a572bc99c4dabee4c5b81081a0

      SHA512

      d797f4aa4ab04312cfba98c2004443ba6f79cb73779a16e95bfa016494945acd4c3d3d2cccf1d72f669124f58eb005f756655272116f89bde2f37a854155dd93

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

      Filesize

      344B

      MD5

      ab825766c15bc051a4479f2b49c0498f

      SHA1

      9ea2469cb70e92756ed5bea8a39569835d4be914

      SHA256

      c9645149d0c55e812945441423e92fb0de7d28a188c888db2af7149dc189179e

      SHA512

      587f4dd35e8c170c98bfbab62de5191cb72b96c562eb2d94b89f665b859eab0b14aff72e28dcbd97e0d085220e7755e56a36d719dc94ef2633c1143987f588bc

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

      Filesize

      392B

      MD5

      fd2a6a91373942e10ee3a14ead4aad66

      SHA1

      fa5a559e372199508d2f025d32170c25f13df987

      SHA256

      9990b51323c39036496ee9734f638738d85d2cb008ac143f0833571d9403f6db

      SHA512

      ed6e58b123451407de456da6c4376e0991b86f9c1837d3e628e2d5f340b16ca7a59cc0f410ba143158284bd205d58a0d2e8092cee227b84de9b301551dce859e

    • C:\Users\Admin\AppData\Local\Temp\7E16.exe

      Filesize

      736KB

      MD5

      686acf922c225ce9d019e006fd54b4ef

      SHA1

      b04872c5f46bf955421c4ba4c7cf40954e14170c

      SHA256

      ba5224f8d623bd63a67b33fff7aa5cf73dea837e08b81423016b925db5125758

      SHA512

      414b5a07ced21027000c82adff218a41b88c1ad0b19d2e851a3637841d6beda7047fa9e8a81944bed3ccdec6307ded7af0eff474dfa19873c58d033e64707014

    • C:\Users\Admin\AppData\Local\Temp\B23F.bat

      Filesize

      77B

      MD5

      55cc761bf3429324e5a0095cab002113

      SHA1

      2cc1ef4542a4e92d4158ab3978425d517fafd16d

      SHA256

      d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

      SHA512

      33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

    • C:\Users\Admin\AppData\Local\Temp\CabC14C.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar8A46.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • C:\Users\Admin\AppData\Local\Temp\TarA194.tmp

      Filesize

      175KB

      MD5

      dd73cead4b93366cf3465c8cd32e2796

      SHA1

      74546226dfe9ceb8184651e920d1dbfb432b314e

      SHA256

      a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

      SHA512

      ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

    • \Users\Admin\AppData\Local\Temp\7E16.exe

      Filesize

      448KB

      MD5

      8079d5f4516104f6c58f8f0e6cd427bc

      SHA1

      898a4bca53d2c6696e50d1ff766b60914c031320

      SHA256

      19d648ef85c5de7975911876f4c42780f70be1f81569c1ae784fa14fc1e2e7c9

      SHA512

      092bf4a1b93fd9d641ffab45176780230131c803216804447658608a5f65f093ab9f198281267efcfb56d393b8ce810875084d9548ec7625ac4d0db364e85e96

    • \Users\Admin\AppData\Local\e7e79bdb-82dc-480d-856e-8926afabdd22\build2.exe

      Filesize

      295KB

      MD5

      47704f454af8641dac1af2e2768d7881

      SHA1

      e3341bfdec84f69684aecde18cab2864519c7728

      SHA256

      a6a9375dd6e3b285bc6d65536a151a47dd136aced8180492f5ed6a391edf0d64

      SHA512

      9aea598ee30342a88fedf5eca2b104e8c5587cd284bd43229581b04497c60e6a71e5392a171a5dfbe88a2e41269434922e21c3f7f9682e2ea10b27b104606b25

    • memory/1192-90-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1192-82-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1192-89-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1192-87-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1192-83-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1192-68-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1192-69-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1192-91-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1200-4-0x00000000029A0000-0x00000000029B6000-memory.dmp

      Filesize

      88KB

    • memory/1704-113-0x0000000000230000-0x0000000000261000-memory.dmp

      Filesize

      196KB

    • memory/1704-111-0x0000000000860000-0x0000000000960000-memory.dmp

      Filesize

      1024KB

    • memory/1796-63-0x0000000000580000-0x0000000000611000-memory.dmp

      Filesize

      580KB

    • memory/1796-60-0x0000000000580000-0x0000000000611000-memory.dmp

      Filesize

      580KB

    • memory/1924-5-0x0000000000400000-0x000000000071E000-memory.dmp

      Filesize

      3.1MB

    • memory/1924-3-0x0000000000400000-0x000000000071E000-memory.dmp

      Filesize

      3.1MB

    • memory/1924-1-0x0000000000790000-0x0000000000890000-memory.dmp

      Filesize

      1024KB

    • memory/1924-2-0x00000000002A0000-0x00000000002AB000-memory.dmp

      Filesize

      44KB

    • memory/2628-114-0x0000000000400000-0x0000000000644000-memory.dmp

      Filesize

      2.3MB

    • memory/2628-110-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2628-117-0x0000000000400000-0x0000000000644000-memory.dmp

      Filesize

      2.3MB

    • memory/2628-118-0x0000000000400000-0x0000000000644000-memory.dmp

      Filesize

      2.3MB

    • memory/2668-26-0x0000000000320000-0x00000000003B1000-memory.dmp

      Filesize

      580KB

    • memory/2668-27-0x0000000000320000-0x00000000003B1000-memory.dmp

      Filesize

      580KB

    • memory/2668-28-0x0000000001E80000-0x0000000001F9B000-memory.dmp

      Filesize

      1.1MB

    • memory/2756-37-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2756-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2756-33-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2756-36-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2756-58-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB