Analysis

  • max time kernel
    134s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 03:19

General

  • Target

    c3b26e9670c2149a7ffeea3334e2474e.exe

  • Size

    42KB

  • MD5

    c3b26e9670c2149a7ffeea3334e2474e

  • SHA1

    59eeddd373b779e373b78582d6fa2a151312bf4e

  • SHA256

    31ca80f8aef973a76b759dc408080a9bdf96e47892a108c1b8ea587483684e33

  • SHA512

    48528b119076f45fe7816d3e4294171841d1b4de0176ba6704c4d31152a8f1ab64d956d7a33692db8898e08285591275d6547ee2bbcc6b8cbca2314399ab8663

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnY1n9m:m5nkFNMOtEvwDpjG8hgpY19m

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

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

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3b26e9670c2149a7ffeea3334e2474e.exe
    "C:\Users\Admin\AppData\Local\Temp\c3b26e9670c2149a7ffeea3334e2474e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4356

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          42KB

          MD5

          f97d070da6c9b33144ffe00ba292f5e6

          SHA1

          2a236eb1368d483b38fa529a2beb8c1490c62743

          SHA256

          89398b1a207b5dcf3bf357cfec2e3b2bf162385a20206f209cd0c6d22e36efb7

          SHA512

          5145bf317251179e5830cdf78f5db6adbb7de3ca76c82f8d6852878b5f5d67be14efac54d12399b9671ef8406ec5179476a3b8cd1b65d953c187ffc7e471bd6f

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2012-0-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/2012-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

          Filesize

          24KB

        • memory/2012-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

          Filesize

          24KB

        • memory/2012-9-0x00000000007B0000-0x00000000007B6000-memory.dmp

          Filesize

          24KB

        • memory/2012-18-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/4356-17-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/4356-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

          Filesize

          24KB

        • memory/4356-26-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/4356-49-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB