Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2024, 00:29

General

  • Target
    78cc2004a61a5f5bd968bc7449a6e41d.exe
  • Size 1.5MB
  • Sample240127-atdf2saggn
  • SHA256 c82a55fdd3caeb95db17754e3ba270ec93a7eb3c9997f9f9c6f02de0e17bacec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nullmixer

C2
  • http://marisana.xyz/

Extracted

Family
  • smokeloader

Botnet
  • pub6

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://conceitosseg.com/upload/

  • http://integrasidata.com/upload/

  • http://ozentekstil.com/upload/

  • http://finbelportal.com/upload/

  • http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • NullMixer

    NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • ASPack v2.12-2.42 9 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 27 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78cc2004a61a5f5bd968bc7449a6e41d.exe
    "C:\Users\Admin\AppData\Local\Temp\78cc2004a61a5f5bd968bc7449a6e41d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2424
      • C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2092
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c karotima_1.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1980
          • C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_1.exe
            karotima_1.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            PID:2928
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c karotima_2.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1716
          • C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_2.exe
            karotima_2.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Checks SCSI registry key(s)
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            PID:2892
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 372
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:268

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        karotima_1.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_1.exe
        • Size 103KB
        • SHA256 0872368e140020b50476776f3b7eb4d41a286bfcc3e5b74dbb382ea9bd5a0d8d
        • MD5 SHA1 SHA512 SSDEEP

        karotima_1.txt

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_1.txt
        • Size 487KB
        • SHA256 d7d14862b289a2f8ff2dfae7c20cf2d01dfc8d7b4757ed63f8b0e25e5deaeb5f
        • MD5 SHA1 SHA512 SSDEEP

        karotima_2.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_2.exe
        • Size 242KB
        • SHA256 85dc9ce7d4f96cfe4cf586fd4d52cfa56b4325e4299b665cfbedc29004318163
        • MD5 SHA1 SHA512 SSDEEP

        karotima_2.txt

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_2.txt
        • Size 225KB
        • SHA256 a944a588be61ec87255551661820db2151742b4f320abffbe549d9ac1a73035d
        • MD5 SHA1 SHA512 SSDEEP

        libcurl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\libcurl.dll
        • Size 218KB
        • SHA256 0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
        • MD5 SHA1 SHA512 SSDEEP

        libcurlpp.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\libcurlpp.dll
        • Size 54KB
        • SHA256 43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f
        • MD5 SHA1 SHA512 SSDEEP

        libgcc_s_dw2-1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\libgcc_s_dw2-1.dll
        • Size 113KB
        • SHA256 59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
        • MD5 SHA1 SHA512 SSDEEP

        libstdc++-6.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS8790BD66\libstdc++-6.dll
        • Size 436KB
        • SHA256 85ef26acc1be506e65ada5a8bc0688bb3853abcc329747c048ffe04c14215ed9
        • MD5 SHA1 SHA512 SSDEEP

        Cab510F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab510F.tmp
        • Size 49KB
        • SHA256 d39e6e420ff4c205d3be74ac68407e6c8039f2a6f887df05cd325c3dd54bca12
        • MD5 SHA1 SHA512 SSDEEP

        Tar520B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar520B.tmp
        • Size 171KB
        • SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
        • MD5 SHA1 SHA512 SSDEEP

        gbbcrgd

        • Path C:\Users\Admin\AppData\Roaming\gbbcrgd
        • Size 328KB
        • SHA256 2c7607aeadea3ed5a9c4f6c0f25b097d5219b2ed16697cd5bd06407906098569
        • MD5 SHA1 SHA512 SSDEEP

        karotima_1.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_1.exe
        • Size 127KB
        • SHA256 b05f5283a512a979c4823c34a2b985369d16dd4dcaaac3e4c381257192f55cef
        • MD5 SHA1 SHA512 SSDEEP

        karotima_1.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_1.exe
        • Size 181KB
        • SHA256 5cab87cf5b0bc589930e8b0882561d388d83e1ee0e9e7180522819c5f46c4f89
        • MD5 SHA1 SHA512 SSDEEP

        karotima_1.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_1.exe
        • Size 136KB
        • SHA256 f961672f648e151e4588b4cbfecd98aeb1f846c1ae718d420d0068c81a61fc89
        • MD5 SHA1 SHA512 SSDEEP

        karotima_2.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_2.exe
        • Size 286KB
        • SHA256 03f1cf94fd1a92b6d024d72531b9e04f31a844d7cd10b95a54cbfea68e661ae1
        • MD5 SHA1 SHA512 SSDEEP

        karotima_2.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_2.exe
        • Size 235KB
        • SHA256 6e66d597457675b91e89d4285260389bcfcfefe95dbc5a1b2866362ae11c093b
        • MD5 SHA1 SHA512 SSDEEP

        karotima_2.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_2.exe
        • Size 109KB
        • SHA256 0e19b76eb77c6ecd4c0ae4c184b54925afebc475b92d328fbf15a1cca8709b44
        • MD5 SHA1 SHA512 SSDEEP

        karotima_2.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\karotima_2.exe
        • Size 204KB
        • SHA256 432ac9b2e2b88d8de469309a9c455b7717cd8630b1afe2222fc3094c64f3951c
        • MD5 SHA1 SHA512 SSDEEP

        libstdc++-6.dll

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\libstdc++-6.dll
        • Size 385KB
        • SHA256 c777532396166c062e8b918a96b8c2e968f8fb5ee4c9be06041df448f9dbe328
        • MD5 SHA1 SHA512 SSDEEP

        libwinpthread-1.dll

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\libwinpthread-1.dll
        • Size 69KB
        • SHA256 509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
        • MD5 SHA1 SHA512 SSDEEP

        setup_install.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\setup_install.exe
        • Size 61KB
        • SHA256 bc834f3b1519bc273a501f01e46e32cf226ded7f27a52e3cbd20ee072a89457c
        • MD5 SHA1 SHA512 SSDEEP

        setup_install.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\setup_install.exe
        • Size 64KB
        • SHA256 bdbf8bff08c44eb268a86f965de51f41639436bfef284215524a87e38d97ba58
        • MD5 SHA1 SHA512 SSDEEP

        setup_install.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\setup_install.exe
        • Size 152KB
        • SHA256 4f87cc94ab456e71526d986a1e0b7d503702f696b6315f0839d97a13fa8fdc9b
        • MD5 SHA1 SHA512 SSDEEP

        setup_install.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\setup_install.exe
        • Size 10KB
        • SHA256 06d44c6765298fa642d59c54086c1085b1570908c13f9446bcfc777285642d95
        • MD5 SHA1 SHA512 SSDEEP

        setup_install.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS8790BD66\setup_install.exe
        • Size 287KB
        • SHA256 cc78e389c7a8fed598e312f2e150ffb8a99d9bffdfa4982bd59ae6ce7693efbf
        • MD5 SHA1 SHA512 SSDEEP

        CC4F.tmp

        • Path \Users\Admin\AppData\Local\Temp\CC4F.tmp
        • Size 166KB
        • SHA256 39138dfde38ca670750a41752283b037fec0105eb70dfcbd40c3519368dea93c
        • MD5 SHA1 SHA512 SSDEEP

        setup_installer.exe

        • Path \Users\Admin\AppData\Local\Temp\setup_installer.exe
        • Size 1.5MB
        • SHA256 f93e49425c33932d4adda4e5ff0818a0970280a22883824d806e4cf4f511a82f
        • MD5 SHA1 SHA512 SSDEEP

        memory/1204-133-0x0000000002A40000-0x0000000002A55000-memory.dmp

        memory/2092-59-0x0000000064940000-0x0000000064959000-memory.dmp

        memory/2092-60-0x000000006B440000-0x000000006B4CF000-memory.dmp

        memory/2092-68-0x000000006B280000-0x000000006B2A6000-memory.dmp

        memory/2092-76-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2092-75-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2092-73-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2092-72-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2092-69-0x000000006B280000-0x000000006B2A6000-memory.dmp

        memory/2092-70-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2092-64-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        memory/2092-67-0x000000006B280000-0x000000006B2A6000-memory.dmp

        memory/2092-66-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        memory/2092-65-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        memory/2092-62-0x000000006B440000-0x000000006B4CF000-memory.dmp

        memory/2092-61-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        memory/2092-142-0x000000006EB40000-0x000000006EB63000-memory.dmp

        memory/2092-139-0x0000000064940000-0x0000000064959000-memory.dmp

        memory/2092-74-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2092-58-0x000000006B440000-0x000000006B4CF000-memory.dmp

        memory/2092-143-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        memory/2092-57-0x000000006B440000-0x000000006B4CF000-memory.dmp

        memory/2092-56-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        memory/2092-48-0x000000006B440000-0x000000006B4CF000-memory.dmp

        memory/2092-45-0x000000006B280000-0x000000006B2A6000-memory.dmp

        memory/2092-39-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2092-140-0x000000006B280000-0x000000006B2A6000-memory.dmp

        memory/2092-141-0x000000006B440000-0x000000006B4CF000-memory.dmp

        memory/2092-138-0x0000000000400000-0x000000000051E000-memory.dmp

        memory/2424-31-0x0000000002570000-0x000000000268E000-memory.dmp

        memory/2892-124-0x0000000000240000-0x0000000000249000-memory.dmp

        memory/2892-137-0x0000000000240000-0x0000000000249000-memory.dmp

        memory/2892-134-0x0000000000400000-0x000000000046D000-memory.dmp

        memory/2892-126-0x0000000000400000-0x000000000046D000-memory.dmp

        memory/2892-123-0x0000000000560000-0x0000000000660000-memory.dmp