Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 16:36

General

  • Target

    658298ac8ffa11c30f75c78a12c16290.exe

  • Size

    418KB

  • MD5

    658298ac8ffa11c30f75c78a12c16290

  • SHA1

    6767b66952134e86355d60e8ae23ccf872a7fcb8

  • SHA256

    f4d5e1628a72fe10c8dfe8f7860d15d65fec026647bb1993162d227a9f7c4736

  • SHA512

    6c9c23224dca7face04cf31efa8d2347f875356b1a438982f7ba268534941500dd8558509e6805a21254e9a72a4caae143b8aa0a3c5cef8e8d1edd157803507e

  • SSDEEP

    12288:UJ1BIyL8J/vvFVtcOOc3G/NdWxCS3G4EnaT9jgiy:ULk/ZSWxCS24EnaTJg

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\658298ac8ffa11c30f75c78a12c16290.exe
    "C:\Users\Admin\AppData\Local\Temp\658298ac8ffa11c30f75c78a12c16290.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:1992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          e0844e14407578d5ee343c3d65562050

          SHA1

          c81893e6ce1747ee16a3fadcdf5daf85316d8a53

          SHA256

          8a9147ed42a8792e1c95e9e9e645aca63fb3cd6f5b10953e09633996112da278

          SHA512

          0053ee21b1a9edcc9ca05c02ef52853048fd12b4f7210066dc7067e3736bc0ce0d910ea6be98ed1fb63279a8b04f78fc840812298e2a3267feceaaf69fa08718

        • C:\Users\Admin\AppData\Local\Temp\Cab44B0.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar457E.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • \ProgramData\Microsoft Network\System.exe

          Filesize

          418KB

          MD5

          658298ac8ffa11c30f75c78a12c16290

          SHA1

          6767b66952134e86355d60e8ae23ccf872a7fcb8

          SHA256

          f4d5e1628a72fe10c8dfe8f7860d15d65fec026647bb1993162d227a9f7c4736

          SHA512

          6c9c23224dca7face04cf31efa8d2347f875356b1a438982f7ba268534941500dd8558509e6805a21254e9a72a4caae143b8aa0a3c5cef8e8d1edd157803507e