Resubmissions

10-06-2024 18:46

240610-xezgaswekc 8

10-06-2024 18:29

240610-w46q8swbqg 8

Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-06-2024 18:46

General

  • Target

    637bd4ff0d6480af5586a0b8eac52cdb618627f7ed02e87d2950e090d48203ad.exe

  • Size

    33KB

  • MD5

    00a382a3d6bca076ca3db1809b87a802

  • SHA1

    1d338f8174114c30ca71066b4b5773ede3099cbd

  • SHA256

    637bd4ff0d6480af5586a0b8eac52cdb618627f7ed02e87d2950e090d48203ad

  • SHA512

    5e34f0b6320cd824cd476118946f85e03baf076f06ab627e6e14aae828da7a21d894f9a82c381e286992afbaf5e23af94bb69bef8b84616a86363ad45f2488ea

  • SSDEEP

    768:JUMUElOIEvzMXqtwp/lDTJg/MFksCRsd2u9C9MFWoVaZel:JKaYzMXqtGN/CstC9qVF

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\637bd4ff0d6480af5586a0b8eac52cdb618627f7ed02e87d2950e090d48203ad.exe
        "C:\Users\Admin\AppData\Local\Temp\637bd4ff0d6480af5586a0b8eac52cdb618627f7ed02e87d2950e090d48203ad.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops startup file
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5116
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:192
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4576
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1372
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:2184

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

          Filesize

          258KB

          MD5

          01196a131bf7435155d876df98c6986b

          SHA1

          fa98fab5791b17b8709d81979ec2002bb64191c3

          SHA256

          ea03f24817b7d8b6748a188883522dc57d90265fcb709eb640b9df11b6c99a76

          SHA512

          2b7ad3abbe6af547424e8128d1d5e00b5b30eea5bd7fc7325a85553b6b99a3d2011a14ac8ca6e3779bcd97e939c28f0df9bf377eac1a7267ec2692a01eca51c4

        • C:\Program Files\Google\Chrome\Application\chrome.exe

          Filesize

          2.8MB

          MD5

          f9406c83e559cbee3b9c4fe7a4c7875c

          SHA1

          a3998b97def575bc65956db177d92a5c558318c8

          SHA256

          bfecf326289fe336e723b15dcb2b1ab4fd29d0c933623e13f28f27d86318fe6f

          SHA512

          73b03f461df3f149858a4be5d64dca524a255184f9d8e76093645dc72e5db0f4395b31208f01fde519a90918d23c096c26e24aa77b6822bcc3edc2ef283690fe

        • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

          Filesize

          478KB

          MD5

          77ec999dc753d70d4a8fbc32a98efb2f

          SHA1

          172ba524961356c8cf218baf27e14c66a07ffefc

          SHA256

          7178ea26cd9a2cd05e48e5d856a330d3e276d798d14aa10852df737f141dfbc5

          SHA512

          67d6a5f5034c44c4dbd5df9f61dc7754a1981040f04e2bd8159b8311f9b57009d731ac051a7751ff4674817f3d6f2c3fb5537046a289f45ca038d10084b6bd58

        • F:\$RECYCLE.BIN\S-1-5-21-3699363923-1875576828-3287151903-1000\_desktop.ini

          Filesize

          9B

          MD5

          60b1ffe4d5892b7ae054738eec1fd425

          SHA1

          80d4e944617f4132b1c6917345b158f3693f35c8

          SHA256

          5e9944cc48c7ec641cf7b1b0125f47f26102c371a973612f0583f604bc3900d4

          SHA512

          7f5c200924dbb5531df997e6a35cb94f36b54f5651284b0d6404f0576301125ef72b410a170fca889d46c033063663cfc7791f9e4c3c30695af069053eee66cc

        • memory/5116-0-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/5116-5-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/5116-4879-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/5116-8279-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB