Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    04/04/2024, 23:06

General

  • Target

    9509f858a33a380e692353ee5d8450eb1644a15e433eeefdb6d81e9237030a6e.exe

  • Size

    21KB

  • MD5

    238c98ee0f3754b5757e2136815a360e

  • SHA1

    f55d69991491011a11fb9a31a6b65236519ef325

  • SHA256

    9509f858a33a380e692353ee5d8450eb1644a15e433eeefdb6d81e9237030a6e

  • SHA512

    9aee0b08baef532496088b56bddd6aa14ece13631dce296ee44d14f6810a928c6e4520e68466fe518ce5fa92930edf56ba74799004f7edf18ed9c29ac8c85cdf

  • SSDEEP

    384:QLcTQvmFzKbP1SKQNFBDfUvwlx4o43CO+8rk8hS7p2o/AYWU:QqQmFKSjY4so4L+q22oIxU

Score
7/10

Malware Config

Signatures

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

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9509f858a33a380e692353ee5d8450eb1644a15e433eeefdb6d81e9237030a6e.exe
    "C:\Users\Admin\AppData\Local\Temp\9509f858a33a380e692353ee5d8450eb1644a15e433eeefdb6d81e9237030a6e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe
      "C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2524

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\fcbnaf.exe

          Filesize

          21KB

          MD5

          def48c5dec9274abc2c8ebfac7739269

          SHA1

          e62cc2d85b202bef4ccf9dff67b6345596b06c41

          SHA256

          36b82321da47bc31802ac3a320e53ce1c2dccd2ca4b0db320925f548adeeca4b

          SHA512

          72e4289a1928ff9e4d73ea897bb33414810034ccffada4d7703e327dc5d9607e0d857bf963f44c3c6b1e1429350526ae68bf2692274074eb82a443e54f8befd1

        • memory/1620-1-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB