Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-03-2024 09:48

General

  • Target

    b86f4471af6d142f17537a9d5075197e.exe

  • Size

    2.6MB

  • MD5

    b86f4471af6d142f17537a9d5075197e

  • SHA1

    bc0c407e9778c474a1431da5a041d8faa0b97411

  • SHA256

    01b99ec6a0a57d75cf9b7993c67776dfe5f6dcdf3cf1b0460b41fc8780ce5a57

  • SHA512

    078a60d6ecaa6a1974abd2236e667bc90724e79cfbc59776e38dab06a441be6085015e5a4bb52002a08b3a9726404e3349a2fbbe84e5bb74b2014b4a8370b09e

  • SSDEEP

    49152:++fqs1p1m26U6SidllwJF4N67KRTMw9Ld1MtG4pLVRtTCWVxV+k6ouq:++ft1p1B6U6Vi4aEH98UyxTCWVxV+k6I

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b86f4471af6d142f17537a9d5075197e.exe
    "C:\Users\Admin\AppData\Local\Temp\b86f4471af6d142f17537a9d5075197e.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Local\Temp\inst240615593\installer\sexyss59.exe_tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\inst240615593\installer\sexyss59.exe_tmp.exe"
      2⤵
      • Executes dropped EXE
      PID:4340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\inst240615593\installer\sexyss59.exe_tmp.exe

    Filesize

    2.0MB

    MD5

    aabc2bbc97e9cb7c85f5bb3d37ebd3d3

    SHA1

    cda4982eb153462aa7df2c63c78f73710370b7a2

    SHA256

    89a934a6eb7041b060a75553f29dfca2ba0326f7a7112765c0d985f631ea1b57

    SHA512

    7bdda69bcca41ce8b275010fcefd68ca82dbd4ecd3795b449cb0618129ae8a475208ef411fe9e9aa6ac5656a7f98afada04aeecb5780e525100ec1ad0cf743b2