Analysis

  • max time kernel
    172s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    21/07/2023, 08:38

General

  • Target

    install_lodop64.exe

  • Size

    2.5MB

  • MD5

    c4c4a6d3ea45b2dee9291f30a6f4e679

  • SHA1

    ebbd375543616b31c1c20cd7a4281ca434dd006c

  • SHA256

    fe3e69d8278ebfe19144e6e2189466bc4e11dae77647626b83a0e912b8231f33

  • SHA512

    c69801179fd17902b28e212a8e758787e4a0e038cd75e39951c163c8cb942d24bc8aaf318e39b4191e01b1d0cb40689d232f86b831ba0455adc029ab4028ae9d

  • SSDEEP

    49152:56fiOyTKyiOhyOOS2ztPVZJeGmgloG4Qhr+XL/HGzVl/x:5Zl1T2pbJKOZULPG/

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Registers COM server for autorun 1 TTPs 3 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\install_lodop64.exe
    "C:\Users\Admin\AppData\Local\Temp\install_lodop64.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Program Files (x86)\MountTaiSoftware\Lodop\LodopDllInstall64.exe
      "C:\Program Files (x86)\MountTaiSoftware\Lodop\LodopDllInstall64.exe" CAOSOFT_WEB_PRINT_lodop64.ocx
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Registers COM server for autorun
      • Modifies registry class
      PID:2952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\MountTaiSoftware\Lodop\CAOSOFT_WEB_PRINT_lodop64.ocx

          Filesize

          7.3MB

          MD5

          ef9d10b8decfe310ae3517f72cd4a7c2

          SHA1

          b6b556fcaa5bfb15b305d86e6544b220c536002b

          SHA256

          a7aaef15d8c551a50622cc6365da6a87bb172c45ce5db335972c470ce05ebc6b

          SHA512

          83f53abb209f0d9d0e1181b5421cff7e4fe2574fbd12a031f1b8b45e2ffd79074cfb55a6eb3c7259ce5b34d2a62f004387f9f1dbcfa41289e8f3840a29f02161

        • C:\Program Files (x86)\MountTaiSoftware\Lodop\LodopDllInstall64.exe

          Filesize

          185KB

          MD5

          0f168b6c2f749fe0c3732939e6074639

          SHA1

          588408ef54f26e1407e6bd713496b73dd6fb6b14

          SHA256

          657acbff28aba6292fb027ae2774970ff7c979fe0e4f571f44f833cd36f6a2e7

          SHA512

          bafaeb3b055fd0d6a2cd76d377250676355ef31ca8e12420073f5895a44a6c277399514f0385ce19395266f737dda3f6fc994a76bd87a0cfc9e5a1ce328236c3

        • \Program Files (x86)\MountTaiSoftware\Lodop\CAOSOFT_WEB_PRINT_lodop64.ocx

          Filesize

          7.3MB

          MD5

          ef9d10b8decfe310ae3517f72cd4a7c2

          SHA1

          b6b556fcaa5bfb15b305d86e6544b220c536002b

          SHA256

          a7aaef15d8c551a50622cc6365da6a87bb172c45ce5db335972c470ce05ebc6b

          SHA512

          83f53abb209f0d9d0e1181b5421cff7e4fe2574fbd12a031f1b8b45e2ffd79074cfb55a6eb3c7259ce5b34d2a62f004387f9f1dbcfa41289e8f3840a29f02161

        • \Program Files (x86)\MountTaiSoftware\Lodop\CAOSOFT_WEB_PRINT_lodop64.ocx

          Filesize

          7.3MB

          MD5

          ef9d10b8decfe310ae3517f72cd4a7c2

          SHA1

          b6b556fcaa5bfb15b305d86e6544b220c536002b

          SHA256

          a7aaef15d8c551a50622cc6365da6a87bb172c45ce5db335972c470ce05ebc6b

          SHA512

          83f53abb209f0d9d0e1181b5421cff7e4fe2574fbd12a031f1b8b45e2ffd79074cfb55a6eb3c7259ce5b34d2a62f004387f9f1dbcfa41289e8f3840a29f02161

        • \Program Files (x86)\MountTaiSoftware\Lodop\CAOSOFT_WEB_PRINT_lodop64.ocx

          Filesize

          7.3MB

          MD5

          ef9d10b8decfe310ae3517f72cd4a7c2

          SHA1

          b6b556fcaa5bfb15b305d86e6544b220c536002b

          SHA256

          a7aaef15d8c551a50622cc6365da6a87bb172c45ce5db335972c470ce05ebc6b

          SHA512

          83f53abb209f0d9d0e1181b5421cff7e4fe2574fbd12a031f1b8b45e2ffd79074cfb55a6eb3c7259ce5b34d2a62f004387f9f1dbcfa41289e8f3840a29f02161

        • \Program Files (x86)\MountTaiSoftware\Lodop\LodopDllInstall64.exe

          Filesize

          185KB

          MD5

          0f168b6c2f749fe0c3732939e6074639

          SHA1

          588408ef54f26e1407e6bd713496b73dd6fb6b14

          SHA256

          657acbff28aba6292fb027ae2774970ff7c979fe0e4f571f44f833cd36f6a2e7

          SHA512

          bafaeb3b055fd0d6a2cd76d377250676355ef31ca8e12420073f5895a44a6c277399514f0385ce19395266f737dda3f6fc994a76bd87a0cfc9e5a1ce328236c3

        • \Program Files (x86)\MountTaiSoftware\Lodop\LodopDllInstall64.exe

          Filesize

          185KB

          MD5

          0f168b6c2f749fe0c3732939e6074639

          SHA1

          588408ef54f26e1407e6bd713496b73dd6fb6b14

          SHA256

          657acbff28aba6292fb027ae2774970ff7c979fe0e4f571f44f833cd36f6a2e7

          SHA512

          bafaeb3b055fd0d6a2cd76d377250676355ef31ca8e12420073f5895a44a6c277399514f0385ce19395266f737dda3f6fc994a76bd87a0cfc9e5a1ce328236c3

        • memory/2936-54-0x0000000000400000-0x0000000000C8D000-memory.dmp

          Filesize

          8.6MB

        • memory/2936-57-0x0000000001320000-0x0000000001BAD000-memory.dmp

          Filesize

          8.6MB

        • memory/2936-56-0x0000000001320000-0x0000000001BAD000-memory.dmp

          Filesize

          8.6MB

        • memory/2936-55-0x0000000001320000-0x0000000001BAD000-memory.dmp

          Filesize

          8.6MB

        • memory/2936-77-0x0000000000400000-0x0000000000C8D000-memory.dmp

          Filesize

          8.6MB

        • memory/2936-78-0x0000000001320000-0x0000000001BAD000-memory.dmp

          Filesize

          8.6MB

        • memory/2936-79-0x0000000000400000-0x0000000000C8D000-memory.dmp

          Filesize

          8.6MB

        • memory/2952-68-0x0000000001E80000-0x00000000025E4000-memory.dmp

          Filesize

          7.4MB

        • memory/2952-69-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB