Analysis

  • max time kernel
    35s
  • max time network
    41s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 02:46

General

  • Target

    BypassLoader.exe

  • Size

    803KB

  • MD5

    7a55ed8e73f430327a2c8b189d837cd5

  • SHA1

    ddbd958dc03cc94b4d7f035edc10826b8959c965

  • SHA256

    31045e8b843ce541daf06fd133180f8ff675b3f9b729a11c85c3137fab188256

  • SHA512

    ee8a6d6d6a284af233559b604d26be71b5079aa4c6619a2733fef8f3d60be3a9f09a617d1ec82094a23e9ba9aed0a81ea3ce25daab3ec49d10e57da0ca3aa316

  • SSDEEP

    12288:QBCb1unQrlLM3z7PBWmEUWXS+CO0G03NquQENps9US+F:QIRhLM3QOwS+OG8YzENpf

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BypassLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\BypassLoader.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe
      "C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe"
      2⤵
      • Executes dropped EXE
      PID:1936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 840
        3⤵
        • Program crash
        PID:5092
    • C:\Users\Admin\AppData\Local\Temp\PureMiner.exe
      "C:\Users\Admin\AppData\Local\Temp\PureMiner.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3660
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1936 -ip 1936
    1⤵
      PID:4988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\PureMiner.exe

      Filesize

      628KB

      MD5

      aab1dbe96f79d68a24833179fcb0aeed

      SHA1

      3a13dd38b46a94eb40972a07eb3864c4a207d299

      SHA256

      8cef12cc709544a09e84fda051fa24480b093cb33dc8f8306807391d0c3b6091

      SHA512

      e6a49984e9871a85c9307a1b4581e09bf0d1fe4cce6968746f17c61bfb8847dd4432b92a4b2588d38e2355ab95f7704a375e11e692984a310d080970f15e0202

    • C:\Users\Admin\AppData\Local\Temp\PureMiner.exe

      Filesize

      628KB

      MD5

      aab1dbe96f79d68a24833179fcb0aeed

      SHA1

      3a13dd38b46a94eb40972a07eb3864c4a207d299

      SHA256

      8cef12cc709544a09e84fda051fa24480b093cb33dc8f8306807391d0c3b6091

      SHA512

      e6a49984e9871a85c9307a1b4581e09bf0d1fe4cce6968746f17c61bfb8847dd4432b92a4b2588d38e2355ab95f7704a375e11e692984a310d080970f15e0202

    • C:\Users\Admin\AppData\Local\Temp\PureMiner.exe

      Filesize

      628KB

      MD5

      aab1dbe96f79d68a24833179fcb0aeed

      SHA1

      3a13dd38b46a94eb40972a07eb3864c4a207d299

      SHA256

      8cef12cc709544a09e84fda051fa24480b093cb33dc8f8306807391d0c3b6091

      SHA512

      e6a49984e9871a85c9307a1b4581e09bf0d1fe4cce6968746f17c61bfb8847dd4432b92a4b2588d38e2355ab95f7704a375e11e692984a310d080970f15e0202

    • C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe

      Filesize

      101KB

      MD5

      39d81ca537ceb52632fbb2e975c3ee2f

      SHA1

      0a3814bd3ccea28b144983daab277d72313524e4

      SHA256

      76c4d61afdebf279316b40e1ca3c56996b16d760aa080d3121d6982f0e61d8e7

      SHA512

      18f7acf9e7b992e95f06ab1c96f017a6e7acde36c1e7c1ff254853a1bfcde65abcdaa797b36071b9349e83aa2c0a45c6dfb2d637c153b53c66fc92066f6d4f9a

    • C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe

      Filesize

      101KB

      MD5

      39d81ca537ceb52632fbb2e975c3ee2f

      SHA1

      0a3814bd3ccea28b144983daab277d72313524e4

      SHA256

      76c4d61afdebf279316b40e1ca3c56996b16d760aa080d3121d6982f0e61d8e7

      SHA512

      18f7acf9e7b992e95f06ab1c96f017a6e7acde36c1e7c1ff254853a1bfcde65abcdaa797b36071b9349e83aa2c0a45c6dfb2d637c153b53c66fc92066f6d4f9a

    • C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe

      Filesize

      101KB

      MD5

      39d81ca537ceb52632fbb2e975c3ee2f

      SHA1

      0a3814bd3ccea28b144983daab277d72313524e4

      SHA256

      76c4d61afdebf279316b40e1ca3c56996b16d760aa080d3121d6982f0e61d8e7

      SHA512

      18f7acf9e7b992e95f06ab1c96f017a6e7acde36c1e7c1ff254853a1bfcde65abcdaa797b36071b9349e83aa2c0a45c6dfb2d637c153b53c66fc92066f6d4f9a

    • memory/1936-31-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/1936-40-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/1936-37-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/1936-32-0x0000000000830000-0x000000000084E000-memory.dmp

      Filesize

      120KB

    • memory/3228-3-0x000000001ADD0000-0x000000001ADE0000-memory.dmp

      Filesize

      64KB

    • memory/3228-26-0x00007FF9823E0000-0x00007FF982EA1000-memory.dmp

      Filesize

      10.8MB

    • memory/3228-0-0x00000000001D0000-0x00000000002A0000-memory.dmp

      Filesize

      832KB

    • memory/3228-1-0x00007FF9823E0000-0x00007FF982EA1000-memory.dmp

      Filesize

      10.8MB

    • memory/3660-28-0x00000227B2DF0000-0x00000227B2EF0000-memory.dmp

      Filesize

      1024KB

    • memory/3660-29-0x000002279A5C0000-0x000002279A5D0000-memory.dmp

      Filesize

      64KB

    • memory/3660-33-0x00000227B2F60000-0x00000227B2FB6000-memory.dmp

      Filesize

      344KB

    • memory/3660-34-0x00000227B2FC0000-0x00000227B300C000-memory.dmp

      Filesize

      304KB

    • memory/3660-35-0x00007FF9823E0000-0x00007FF982EA1000-memory.dmp

      Filesize

      10.8MB

    • memory/3660-36-0x000002279A5C0000-0x000002279A5D0000-memory.dmp

      Filesize

      64KB

    • memory/3660-27-0x00007FF9823E0000-0x00007FF982EA1000-memory.dmp

      Filesize

      10.8MB

    • memory/3660-38-0x000002279A5C0000-0x000002279A5D0000-memory.dmp

      Filesize

      64KB

    • memory/3660-25-0x0000022798990000-0x0000022798A32000-memory.dmp

      Filesize

      648KB

    • memory/3660-39-0x000002279A5C0000-0x000002279A5D0000-memory.dmp

      Filesize

      64KB

    • memory/3660-41-0x000002279A5C0000-0x000002279A5D0000-memory.dmp

      Filesize

      64KB