Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/02/2024, 04:26

General

  • Target
    d1b4b083e0ea20a087018bde31c37a75.exe
  • Size 234KB
  • Sample240208-e2h4qabb4w
  • SHA256 a578ab8f490d32d4ec916f02ce6ed22ef4572bf21db481dcce5b1b2ccf228d92
  • MD5 SHA1 SHA512 SSDEEP

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://habrafa.com/test1/get.php

Attributes
  • extension

    .ldhy

  • offline_id

    pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1

  • payload_url

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

    http://habrafa.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://we.tl/t-hPAqznkJKD 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: 0849ASdw

rsa_pubkey.plain

Extracted

Family
  • vidar

Version
  • 7.7

Botnet
  • 655507914130aa0fe72362726c206a7c

C2
  • https://t.me/newagev

  • https://steamcommunity.com/profiles/76561199631487327

Attributes
  • profile_id_v2

    655507914130aa0fe72362726c206a7c

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Detected Djvu ransomware 14 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 14 IoCs
  • Loads dropped DLL 20 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 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1b4b083e0ea20a087018bde31c37a75.exe
    "C:\Users\Admin\AppData\Local\Temp\d1b4b083e0ea20a087018bde31c37a75.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2516
  • C:\Users\Admin\AppData\Local\Temp\75DB.exe
    C:\Users\Admin\AppData\Local\Temp\75DB.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2704
  • C:\Users\Admin\AppData\Local\Temp\8FD2.exe
    C:\Users\Admin\AppData\Local\Temp\8FD2.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\8FD2.exe
      C:\Users\Admin\AppData\Local\Temp\8FD2.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\5b4cb9ee-9bf2-4cd0-a771-f39c8767c83e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2400
      • C:\Users\Admin\AppData\Local\Temp\8FD2.exe
        "C:\Users\Admin\AppData\Local\Temp\8FD2.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:108
        • C:\Users\Admin\AppData\Local\Temp\8FD2.exe
          "C:\Users\Admin\AppData\Local\Temp\8FD2.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1660
          • C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build2.exe
            "C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1992
            • C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build2.exe
              "C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build2.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2068
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 1404
                7⤵
                • Loads dropped DLL
                • Program crash
                PID:1652
          • C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build3.exe
            "C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2180
            • C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build3.exe
              "C:\Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build3.exe"
              6⤵
              • Executes dropped EXE
              PID:2352
              • 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"
                7⤵
                • Creates scheduled task(s)
                PID:3052
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9D159445-C0E3-43FC-8400-D38BC9B091DD} S-1-5-21-3601492379-692465709-652514833-1000:CALKHSYM\Admin:Interactive:[1]
    1⤵
      PID:2144
      • 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 SetThreadContext
        PID:2088
        • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
          3⤵
          • Executes dropped EXE
          PID:1036
          • 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"
            4⤵
            • Creates scheduled task(s)
            PID:2372
      • 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 SetThreadContext
        PID:2280
        • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
          3⤵
          • Executes dropped EXE
          PID:1684
    • C:\Users\Admin\AppData\Local\Temp\1650.exe
      C:\Users\Admin\AppData\Local\Temp\1650.exe
      1⤵
      • Executes dropped EXE
      PID:2788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 96
        2⤵
        • Loads dropped DLL
        • Program crash
        PID:2544

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
          • Size 1KB
          • SHA256 5157427e4c6e429f14a19cec39e30d37b17040ca86886879c0315d157e7b90d5
          • MD5 SHA1 SHA512

          CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
          • Size 724B
          • SHA256 58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
          • MD5 SHA1 SHA512

          F0ACCF77CDCBFF39F6191887F6D2D357

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
          • Size 1KB
          • SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
          • MD5 SHA1 SHA512

          24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
          • Size 410B
          • SHA256 1df82cdf1f31ffa71652f3b024b986bf63eff24465a70581a8c672773e9c8e2e
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 58d8d4bae457ba45e901cf29f27f206a8f437625fe6feca42be0f86d06a3583b
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 4cfca9470d212558db05b897ba403da7caf193ab85abac3cc750353a2c39d9cd
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 2fc42c5b7c44865fd985ab35532eb9609677194f9b6a8e27ad59d688476af077
          • MD5 SHA1 SHA512

          CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
          • Size 392B
          • SHA256 0fc5c29bf7a2e6ff0a40785fe66144a64bcd06da7807f6d2e6c0495a9becdf29
          • MD5 SHA1 SHA512

          F0ACCF77CDCBFF39F6191887F6D2D357

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
          • Size 242B
          • SHA256 1e8bda5ecae748315d254cf0b08576de018f7d59d6ed54ff1f9264d9af4d1166
          • MD5 SHA1 SHA512

          1650.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1650.exe
          • Size 6.0MB
          • SHA256 dd87f94c961b9612bbd65761bee6ed15318d63652f262e2c425bd177a2341a19
          • MD5 SHA1 SHA512 SSDEEP

          75DB.exe

          • Path C:\Users\Admin\AppData\Local\Temp\75DB.exe
          • Size 234KB
          • SHA256 a578ab8f490d32d4ec916f02ce6ed22ef4572bf21db481dcce5b1b2ccf228d92
          • MD5 SHA1 SHA512 SSDEEP

          8FD2.exe

          • Path C:\Users\Admin\AppData\Local\Temp\8FD2.exe
          • Size 733KB
          • SHA256 e701ffa4d637b5a0dce41b547d1c7447a9fdc36198cd83c22a22a983ea828d40
          • MD5 SHA1 SHA512 SSDEEP

          Cab9BC3.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Cab9BC3.tmp
          • Size 65KB
          • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
          • MD5 SHA1 SHA512 SSDEEP

          TarB6C2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TarB6C2.tmp
          • Size 171KB
          • SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
          • MD5 SHA1 SHA512 SSDEEP

          build2.exe

          • Path \Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build2.exe
          • Size 332KB
          • SHA256 c0b12bbdcb41f6941d4356309fd8a43f61cbfd18eee044ff1771cbdbba248466
          • MD5 SHA1 SHA512 SSDEEP

          build3.exe

          • Path \Users\Admin\AppData\Local\9a320357-88c5-4d0b-9577-9eb5430fcaed\build3.exe
          • Size 299KB
          • SHA256 fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
          • MD5 SHA1 SHA512 SSDEEP

          1650.exe

          • Path \Users\Admin\AppData\Local\Temp\1650.exe
          • Size 2.9MB
          • SHA256 77d9d204a2d63d74939cf5d768d376e5755bee3733e3f22efc80fcdda94f1171
          • MD5 SHA1 SHA512 SSDEEP

          1650.exe

          • Path \Users\Admin\AppData\Local\Temp\1650.exe
          • Size 2.1MB
          • SHA256 38ff67683968041de65be3184206a6828f0008a2c4f9398433da583e36700fbb
          • MD5 SHA1 SHA512 SSDEEP

          1650.exe

          • Path \Users\Admin\AppData\Local\Temp\1650.exe
          • Size 640KB
          • SHA256 a02ddaf532597d2c33bf05497bcd047a3e2d74de9866bafe92fdefa1d14e01c2
          • MD5 SHA1 SHA512 SSDEEP

          1650.exe

          • Path \Users\Admin\AppData\Local\Temp\1650.exe
          • Size 576KB
          • SHA256 01464cae612d9bfceb489ed2dd04b1b3e98bae7e15d2c3b9206352b6f8334006
          • MD5 SHA1 SHA512 SSDEEP

          1650.exe

          • Path \Users\Admin\AppData\Local\Temp\1650.exe
          • Size 128KB
          • SHA256 7b34530d003010bbee108db9b5503679f8d2334cf25df1aa285bf506dd639d95
          • MD5 SHA1 SHA512 SSDEEP

          memory/108-66-0x0000000000320000-0x00000000003B2000-memory.dmp

          memory/108-68-0x0000000000320000-0x00000000003B2000-memory.dmp

          memory/1140-4-0x0000000002D40000-0x0000000002D56000-memory.dmp

          memory/1140-20-0x0000000003CB0000-0x0000000003CC6000-memory.dmp

          memory/1580-35-0x0000000001CB0000-0x0000000001DCB000-memory.dmp

          memory/1580-31-0x0000000001C10000-0x0000000001CA2000-memory.dmp

          memory/1580-30-0x0000000001C10000-0x0000000001CA2000-memory.dmp

          memory/1660-91-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-75-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-95-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-98-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-97-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-99-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-176-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-90-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1660-74-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/1684-366-0x0000000000400000-0x0000000000406000-memory.dmp

          memory/1992-114-0x0000000000580000-0x0000000000680000-memory.dmp

          memory/1992-116-0x0000000000230000-0x0000000000261000-memory.dmp

          memory/2068-113-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          memory/2068-121-0x0000000000400000-0x0000000000644000-memory.dmp

          memory/2068-120-0x0000000000400000-0x0000000000644000-memory.dmp

          memory/2068-117-0x0000000000400000-0x0000000000644000-memory.dmp

          memory/2068-192-0x0000000000400000-0x0000000000644000-memory.dmp

          memory/2088-197-0x0000000000290000-0x0000000000390000-memory.dmp

          memory/2180-182-0x0000000000220000-0x0000000000224000-memory.dmp

          memory/2180-180-0x0000000000910000-0x0000000000A10000-memory.dmp

          memory/2280-353-0x0000000000900000-0x0000000000A00000-memory.dmp

          memory/2352-184-0x0000000000400000-0x0000000000406000-memory.dmp

          memory/2352-187-0x0000000000400000-0x0000000000406000-memory.dmp

          memory/2352-189-0x0000000000400000-0x0000000000406000-memory.dmp

          memory/2516-5-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/2516-3-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/2516-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

          memory/2516-1-0x0000000000250000-0x0000000000350000-memory.dmp

          memory/2704-18-0x00000000005C0000-0x00000000006C0000-memory.dmp

          memory/2704-19-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/2704-21-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/2768-41-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/2768-64-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/2768-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          memory/2768-37-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/2768-40-0x0000000000400000-0x0000000000537000-memory.dmp

          memory/2788-214-0x0000000000180000-0x0000000000181000-memory.dmp

          memory/2788-216-0x0000000000840000-0x000000000139B000-memory.dmp

          memory/2788-223-0x0000000000250000-0x0000000000251000-memory.dmp

          memory/2788-259-0x0000000000840000-0x000000000139B000-memory.dmp

          memory/2788-212-0x0000000000180000-0x0000000000181000-memory.dmp

          memory/2788-210-0x0000000000180000-0x0000000000181000-memory.dmp

          memory/2788-215-0x0000000000190000-0x0000000000191000-memory.dmp

          memory/2788-218-0x0000000000190000-0x0000000000191000-memory.dmp

          memory/2788-220-0x0000000000190000-0x0000000000191000-memory.dmp

          memory/2788-246-0x0000000000290000-0x0000000000291000-memory.dmp