Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 09:02

General

  • Target

    c031b1ba9e85008952c1f01828a21d02.exe

  • Size

    17KB

  • MD5

    c031b1ba9e85008952c1f01828a21d02

  • SHA1

    a3664031a624acdeb71063092e9339197cbac192

  • SHA256

    ab79436e9124e23de074759ba688af1faa920f984451b24d73fe55552e636e05

  • SHA512

    6d808bb608cf89f4dbfb140705024d3a249ac535a87628464f146d84545f01ed36b4eb73e1ff2e48a7a712e3601fc003436d8ca60336cb1aa26bb8f9cee33f10

  • SSDEEP

    384:h5kAsWojnwgtfgXUMn3QtXP/U1SQuwWaNJawcudoD7U8xt:cWoDVYXUDXP82QnbcuyD7U8D

Score
8/10

Malware Config

Signatures

  • Stops running service(s) 3 TTPs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c031b1ba9e85008952c1f01828a21d02.exe
    "C:\Users\Admin\AppData\Local\Temp\c031b1ba9e85008952c1f01828a21d02.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Program Files (x86)\JQX.hta"
      2⤵
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      PID:2912
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im coiome.exe /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im coiome.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2556
    • C:\Program Files (x86)\Common Files\sfbsbvx\coiome.exe
      "C:\Program Files (x86)\Common Files\sfbsbvx\coiome.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete JavaServe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\SysWOW64\sc.exe
          sc delete JavaServe
          4⤵
          • Launches sc.exe
          PID:636
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c attrib -h -s -r -a "%userprofile%\Cookies\*.*"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Windows\SysWOW64\attrib.exe
          attrib -h -s -r -a "C:\Users\Admin\Cookies\*.*"
          4⤵
          • Views/modifies file attributes
          PID:2728
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c attrib -h -s -r -a "%userprofile%\Local Settings\Temp\Cookies\*.*"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Windows\SysWOW64\attrib.exe
          attrib -h -s -r -a "C:\Users\Admin\Local Settings\Temp\Cookies\*.*"
          4⤵
          • Views/modifies file attributes
          PID:3052
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Cookies\*.*
        3⤵
          PID:3040
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c del /f /s /q "%userprofile%\Local Settings\Temporary Internet Files\*.*"
          3⤵
            PID:2316
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c del /f /s /q "%userprofile%\Local Settings\Temp\Cookies\*.*"
            3⤵
              PID:1996
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c del "C:\Users\Admin\AppData\Local\Temp\c031b1ba9e85008952c1f01828a21d02.exe"
            2⤵
            • Deletes itself
            PID:2524

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\JQX.hta

          Filesize

          780B

          MD5

          cfae0efb683986503bb789616bad8b55

          SHA1

          9325f503e9c4d97a7d06d81859f73d245a974753

          SHA256

          8f1076023a3e05a05e9938b08398e885a516f7442a19cd0de7fd3a87f6c0ccd8

          SHA512

          e338c41006f670cc98554f1c3a262cc7e4d9dd680bd9d77cc2b5a048a7f3b630f59df6a02fe6542df71647ce3eb7541f86bc3266fad396a9859620a7d26a942c

        • \Program Files (x86)\Common Files\sfbsbvx\coiome.exe

          Filesize

          2.0MB

          MD5

          453c99cf61326d692b625d38a5eca403

          SHA1

          00cf30df082b748c018aa4b577a07a67a09a057a

          SHA256

          f99db1b48c63be7676e7ab6326b15ccad20a00960cb4dee1fcc21ab38f9f8219

          SHA512

          b3322cc41b89c9c5c01589e2cfc57f49fe743a3ff5c746d95ee09acde487e763946a15fa6fcfb760d8624e6380cc718da9550eee18c6adf974e7ef245309acd1

        • memory/2484-0-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2484-6-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2484-13-0x00000000002C0000-0x00000000002CF000-memory.dmp

          Filesize

          60KB

        • memory/2504-15-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2504-17-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2504-19-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB