Analysis

  • max time kernel
    12s
  • max time network
    15s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 18:12

General

  • Target

    Setup Fresh Air v1.0.9.exe

  • Size

    49.1MB

  • MD5

    ccccee41d152c7396d64f3a42288a884

  • SHA1

    1692cc3828b64414ba3d67c9d71d9f63a42d621a

  • SHA256

    df145197956253d1b8dad13fbc1fe834f7759e7932ee446573cf6ea817710c29

  • SHA512

    5ad4ba70e5bd1131d452e19fc6c8af8e394e8ae4e347df07522fb18e84713ce3541a0d8012e9e5d9c278c49ad220e033bc3233fa8d518fae4738835bd0c0d213

  • SSDEEP

    786432:nD+F5RtCP+6j/1Hb5sIJwzqtd5bsXRGolzC8tySERKixSUXMo:nD+F5RgG6j/1H9RwzqtvsXRGolzzER2U

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup Fresh Air v1.0.9.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup Fresh Air v1.0.9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Users\Admin\AppData\Local\Temp\is-S9VMV.tmp\Setup Fresh Air v1.0.9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S9VMV.tmp\Setup Fresh Air v1.0.9.tmp" /SL5="$50264,51031648,121344,C:\Users\Admin\AppData\Local\Temp\Setup Fresh Air v1.0.9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:688

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-NROJH.tmp\ISSKINU.DLL

          Filesize

          357KB

          MD5

          f30afccd6fafc1cad4567ada824c9358

          SHA1

          60a65b72f208563f90fba0da6af013a36707caa9

          SHA256

          e28d16fad16bca8198c47d7dd44acfd362dd6ba1654f700add8aaf2c0732622d

          SHA512

          59b199085ed4b59ef2b385a09d0901ff2efde7b344db1e900684a425fc2df8e2010ca73d2f2bffa547040cb1dd4c8938b175c463ccc5e39a840a19f9aa301a6c

        • C:\Users\Admin\AppData\Local\Temp\is-NROJH.tmp\R2RINNO.dll

          Filesize

          4KB

          MD5

          5df8ada84a16f5dfc24096ef90a5ce3a

          SHA1

          5e7e9c68119c3a0a1afc92c60674bc8714492823

          SHA256

          48a9c8c332fde541b571d9d522d0e37834b452f55af8cbdc341b12222e78fb5b

          SHA512

          661b5219c74dd6e3a8e899a1b1a3002689d148e337d7323a174519366c9548c284ee76e2faa2f9600cd483db21093ee62399f0d7403c39523c654266760191c2

        • C:\Users\Admin\AppData\Local\Temp\is-NROJH.tmp\SKIN.CJSTYLES

          Filesize

          813KB

          MD5

          5f87caf3f7cf63dde8e6af53bdf31289

          SHA1

          a2c3cc3d9d831acd797155b667db59a32000d7a8

          SHA256

          4731982b02b067d3f5a5a7518279a9265a49fb0f7b3f8dc3d61b82a5359d4940

          SHA512

          4875298d82037ef1fff1ee3c58a9059d8480274326c862729fcc56664ecb49e2692c3838948c66dc8336e4050469d831cbf1fbd79b66565ab673d2a67765109d

        • C:\Users\Admin\AppData\Local\Temp\is-S9VMV.tmp\Setup Fresh Air v1.0.9.tmp

          Filesize

          1.1MB

          MD5

          34acc2bdb45a9c436181426828c4cb49

          SHA1

          5adaa1ac822e6128b8d4b59a54d19901880452ae

          SHA256

          9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07

          SHA512

          134ff4022571efd46f7a62e99b857ebe834e9916c786345908010f9e1fb90be226b740ddee16ae9290fe45c86be7238c4555e422abe66a461d11545e19734beb

        • memory/688-59-0x0000000077940000-0x00000000779EF000-memory.dmp

          Filesize

          700KB

        • memory/688-55-0x0000000074900000-0x0000000074A22000-memory.dmp

          Filesize

          1.1MB

        • memory/688-57-0x0000000076F70000-0x0000000077523000-memory.dmp

          Filesize

          5.7MB

        • memory/688-26-0x00000000759E0000-0x0000000075A5A000-memory.dmp

          Filesize

          488KB

        • memory/688-30-0x0000000076F40000-0x0000000076F65000-memory.dmp

          Filesize

          148KB

        • memory/688-29-0x00000000759E0000-0x0000000075A5A000-memory.dmp

          Filesize

          488KB

        • memory/688-28-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-27-0x0000000076F40000-0x0000000076F65000-memory.dmp

          Filesize

          148KB

        • memory/688-37-0x0000000076650000-0x0000000076733000-memory.dmp

          Filesize

          908KB

        • memory/688-36-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-35-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-42-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-78-0x0000000076F70000-0x0000000077523000-memory.dmp

          Filesize

          5.7MB

        • memory/688-80-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-79-0x00000000757D0000-0x00000000759E0000-memory.dmp

          Filesize

          2.1MB

        • memory/688-77-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-76-0x0000000074900000-0x0000000074A22000-memory.dmp

          Filesize

          1.1MB

        • memory/688-75-0x0000000075750000-0x00000000757C4000-memory.dmp

          Filesize

          464KB

        • memory/688-74-0x0000000077940000-0x00000000779EF000-memory.dmp

          Filesize

          700KB

        • memory/688-73-0x00000000757D0000-0x00000000759E0000-memory.dmp

          Filesize

          2.1MB

        • memory/688-70-0x0000000076070000-0x000000007614C000-memory.dmp

          Filesize

          880KB

        • memory/688-69-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-68-0x0000000074900000-0x0000000074A22000-memory.dmp

          Filesize

          1.1MB

        • memory/688-67-0x0000000075750000-0x00000000757C4000-memory.dmp

          Filesize

          464KB

        • memory/688-66-0x0000000077940000-0x00000000779EF000-memory.dmp

          Filesize

          700KB

        • memory/688-65-0x00000000757D0000-0x00000000759E0000-memory.dmp

          Filesize

          2.1MB

        • memory/688-63-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-62-0x0000000074900000-0x0000000074A22000-memory.dmp

          Filesize

          1.1MB

        • memory/688-61-0x0000000075750000-0x00000000757C4000-memory.dmp

          Filesize

          464KB

        • memory/688-60-0x0000000076F40000-0x0000000076F65000-memory.dmp

          Filesize

          148KB

        • memory/688-6-0x0000000000400000-0x000000000052E000-memory.dmp

          Filesize

          1.2MB

        • memory/688-58-0x00000000757D0000-0x00000000759E0000-memory.dmp

          Filesize

          2.1MB

        • memory/688-20-0x00000000759E0000-0x0000000075A5A000-memory.dmp

          Filesize

          488KB

        • memory/688-14-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-48-0x0000000075750000-0x00000000757C4000-memory.dmp

          Filesize

          464KB

        • memory/688-54-0x0000000075750000-0x00000000757C4000-memory.dmp

          Filesize

          464KB

        • memory/688-53-0x0000000077940000-0x00000000779EF000-memory.dmp

          Filesize

          700KB

        • memory/688-52-0x00000000757D0000-0x00000000759E0000-memory.dmp

          Filesize

          2.1MB

        • memory/688-72-0x0000000076F70000-0x0000000077523000-memory.dmp

          Filesize

          5.7MB

        • memory/688-71-0x0000000076650000-0x0000000076733000-memory.dmp

          Filesize

          908KB

        • memory/688-64-0x0000000076F70000-0x0000000077523000-memory.dmp

          Filesize

          5.7MB

        • memory/688-56-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-47-0x0000000077940000-0x00000000779EF000-memory.dmp

          Filesize

          700KB

        • memory/688-46-0x00000000757D0000-0x00000000759E0000-memory.dmp

          Filesize

          2.1MB

        • memory/688-45-0x0000000076F70000-0x0000000077523000-memory.dmp

          Filesize

          5.7MB

        • memory/688-44-0x0000000076650000-0x0000000076733000-memory.dmp

          Filesize

          908KB

        • memory/688-43-0x0000000076070000-0x000000007614C000-memory.dmp

          Filesize

          880KB

        • memory/688-41-0x0000000074900000-0x0000000074A22000-memory.dmp

          Filesize

          1.1MB

        • memory/688-38-0x0000000076F70000-0x0000000077523000-memory.dmp

          Filesize

          5.7MB

        • memory/688-51-0x0000000076F70000-0x0000000077523000-memory.dmp

          Filesize

          5.7MB

        • memory/688-50-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-49-0x0000000074900000-0x0000000074A22000-memory.dmp

          Filesize

          1.1MB

        • memory/688-40-0x0000000077940000-0x00000000779EF000-memory.dmp

          Filesize

          700KB

        • memory/688-39-0x00000000757D0000-0x00000000759E0000-memory.dmp

          Filesize

          2.1MB

        • memory/688-34-0x0000000076F40000-0x0000000076F65000-memory.dmp

          Filesize

          148KB

        • memory/688-33-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-32-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-31-0x0000000074AD0000-0x0000000074B00000-memory.dmp

          Filesize

          192KB

        • memory/688-25-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-24-0x00000000759E0000-0x0000000075A5A000-memory.dmp

          Filesize

          488KB

        • memory/688-23-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-22-0x00000000759E0000-0x0000000075A5A000-memory.dmp

          Filesize

          488KB

        • memory/688-21-0x0000000010000000-0x0000000010061000-memory.dmp

          Filesize

          388KB

        • memory/688-330-0x0000000000400000-0x000000000052E000-memory.dmp

          Filesize

          1.2MB

        • memory/3200-2-0x0000000000401000-0x0000000000412000-memory.dmp

          Filesize

          68KB

        • memory/3200-0-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB