Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 19:06

General

  • Target

    1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09.exe

  • Size

    372KB

  • MD5

    350c6c97a34f7893e06c9f48b673488c

  • SHA1

    3b0a97b004070bc78b877b6fd0400660599fb429

  • SHA256

    1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09

  • SHA512

    7222f00528ec07c9c16825f500b4ec3fe5562ed11d98400666ff4455db6ad8fecddb650ae1ee476ee5f69fe6aea7a0a99a6a1a4803de6cc909884eff6cb93f76

  • SSDEEP

    6144:JjluyDM3Io5R4nM/40yJNkzj7pX2ZKjC2mzvXfbdyrE+NxRTv8lDWyIqiNlB4Rke:JEyDMhqhibpDC2mjXfZ+N3wpiNlCknI

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 19 IoCs
  • UPX dump on OEP (original entry point) 21 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 21 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\1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09.exe
    "C:\Users\Admin\AppData\Local\Temp\1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09.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:2228
    • C:\Users\Admin\AppData\Local\Temp\1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09.exe
      "C:\Users\Admin\AppData\Local\Temp\1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Users\Admin\AppData\Local\Temp\1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09.exe
        "C:\Users\Admin\AppData\Local\Temp\1a8b2667ecef2f5c8a171705ad1573a2b4db7581ed181331f152c925491eba09.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1300

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Windows Sidebar\Shared Gadgets\french kicking hidden mature .avi.exe

          Filesize

          1.8MB

          MD5

          d6edfcf7e4bfa498161bd32b16027e65

          SHA1

          c48e98774389ae1453e5bece4b39dc24aabdeec5

          SHA256

          5ae0089b15b8a4cde6fe0493323dff4f2afff798ad575d8231768c3910a5368f

          SHA512

          51b29ccd2fc705b6625a515656d3d18c56f1259474a0e4c92b89eb757a11696b6220a0f90a14e01c5c355098020642409a6f635170f7b32631288b12e759e061

        • C:\debug.txt

          Filesize

          183B

          MD5

          3b08522a3c3206c4a4311b1e1776dc8b

          SHA1

          6115352ae8d47c0e665f16ff9d1423e7a71d9a91

          SHA256

          22accc3aa9270023e691cd400c10e6269546600f9cb3b1332ed2f8e252581570

          SHA512

          4ec4c168d352532ba4708f20a03539dc655d76a418d51e4416af8d988b2d01641fd78823f67d919c2fb89228d0e25b6e802975288e08967388354cdc926c655f

        • memory/1300-87-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/1300-101-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-104-0x0000000005960000-0x000000000597E000-memory.dmp

          Filesize

          120KB

        • memory/2228-111-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-89-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-143-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-140-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-51-0x0000000005960000-0x000000000597E000-memory.dmp

          Filesize

          120KB

        • memory/2228-103-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-102-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-0-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-137-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-108-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-134-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-114-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-119-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-122-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-125-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-128-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2228-131-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2752-86-0x0000000004DD0000-0x0000000004DEE000-memory.dmp

          Filesize

          120KB

        • memory/2752-107-0x0000000004DD0000-0x0000000004DEE000-memory.dmp

          Filesize

          120KB

        • memory/2752-54-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2752-92-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB