Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 20:09

General

  • Target

    3a545c588c4526308b1211640ca0b5e3.exe

  • Size

    464KB

  • MD5

    3a545c588c4526308b1211640ca0b5e3

  • SHA1

    053d1e055f452c08dc90f5c272ce76a3c4a3866f

  • SHA256

    d5681a028988a0fad7685e9bf27232497ccd71680c35dac4876b09f73d1484c8

  • SHA512

    eb84045198f0f74175bf1ebd422cebd95c20d5d2628b7d40bf691454eaa6d8571f379201de85dc413d47d633a4bca6482de0cd47e65d332305bdd4998b46b3a0

  • SSDEEP

    6144:+x6iVRLGDZLdHbTLvSAuYC27NkoTD/Eyf/To1ysI5uw7+WJz6lyqp3U+iyPmyQCo:8F6v73qbL2vnTowJ6Vh+yPQCrfcFT

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a545c588c4526308b1211640ca0b5e3.exe
    "C:\Users\Admin\AppData\Local\Temp\3a545c588c4526308b1211640ca0b5e3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.cbsupermarket.com/society & culture/travel/russia-tours-please-december.htm
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2224 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1796

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verDEA8.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RVXHSNZG\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • memory/2064-0-0x0000000002310000-0x0000000002311000-memory.dmp

          Filesize

          4KB

        • memory/2064-3-0x0000000000400000-0x000000000047A000-memory.dmp

          Filesize

          488KB