Analysis

  • max time kernel
    161s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 18:59

General

  • Target

    1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe

  • Size

    453KB

  • MD5

    4935e1001f29229cedcc5177a2a234ae

  • SHA1

    0654fcd742bd2f8d5b42575513ca0f1c291cd95b

  • SHA256

    1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79

  • SHA512

    d644064d03d688f65bbfac3976e451d7ef48342023574160c5b2833c7d5da573edd625a6b15a5b75a471df7046165bdc9e5bce44e7c13c8f28b9ebf21de7a082

  • SSDEEP

    6144:VjluQoSv4DSIo5R4nM/40ySne2hsgUNbUbNcIPNUtEbjNCkSlYX41r152k7LkXLA:VEQoSfqwBYUblXIkqYX4B152k7w5scqf

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 16 IoCs
  • UPX dump on OEP (original entry point) 18 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe
    "C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe
      "C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4700
      • C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe
        "C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3640
    • C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe
      "C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3364
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4880 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2252

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\gay hidden beautyfull .mpeg.exe

            Filesize

            1.9MB

            MD5

            51c6b9cb044b4afaa56ec8ced2ea3e7c

            SHA1

            48d820d262ee4c4f17003079a3d12bcae594fbc4

            SHA256

            7af5c0e4789dc1a033dbf333f11b22f15057ec5eafc557ec6969a579f1f74669

            SHA512

            7edfdbc6bcbad457ef8c19357187e9a7154e9d5ad9c1ae9c2e4401c8efbede3bfc14debfe4bc927eddbb7eda15153f9bea883371620493d72816eaea15f15e8e

          • memory/1580-215-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-223-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-20-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-239-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-235-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-231-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-178-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-179-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-211-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-199-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-195-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-0-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1580-219-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/3364-11-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/3364-162-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/3640-163-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/4700-148-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB