Analysis

  • max time kernel
    224s
  • max time network
    262s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
  • 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 10 IoCs
  • Drops file in Program Files directory 15 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe
    "C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe"
    1⤵
    • 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:2960
    • C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe
      "C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:528
      • C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe
        "C:\Users\Admin\AppData\Local\Temp\1755af268f1c596328c8f6d2a238b9eb3efb5057625db6ad3da553aa6550bf79.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2504

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Windows Sidebar\Shared Gadgets\nude animal several models girly (Tatjana,Ashley).avi.exe

          Filesize

          1.2MB

          MD5

          520ecc40f27b8e6e7c1cc1f8d88adaf5

          SHA1

          f7165f97b3ea5d30beafcd4a50fb89e286649707

          SHA256

          85ccbf10101025d84d0e3a18ed2f34b5f6795aface41a6e1309bbcb78a75eea3

          SHA512

          ce4a685aa8a78336df1e7335cc403222e064a2446a5ac392b85c178970f2368146c1b91f9958b7816dbc18686cb7785a80c409b51d21f22be5ca47e30118d89a

        • C:\debug.txt

          Filesize

          183B

          MD5

          ac8b9d29b7190285213e2bc68c27a05f

          SHA1

          c9a89c66b2cfa80c0082ef2a5ffbdf5d818c1d74

          SHA256

          219bce714198b0eeae20f0a95c246d3b67d8e77907f149312e4462dbefa5b13f

          SHA512

          91d807d1423c1f06867bda90bbf6445be286a42fe784d04892fd2b50a51643cba4d3ed7e25f26f83d41085f9f107fc5faeeda99609d86b32dba35f3bcf73a8dd

        • memory/528-71-0x0000000001E80000-0x0000000001E9E000-memory.dmp

          Filesize

          120KB

        • memory/528-67-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/528-52-0x0000000001E80000-0x0000000001E9E000-memory.dmp

          Filesize

          120KB

        • memory/2504-53-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2504-68-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-73-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-108-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-69-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-0-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-3-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-76-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-102-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-66-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-111-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-114-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-118-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-121-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-124-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2960-2-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB