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Analysis

  • max time kernel
    142s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 08:59

General

  • Target

    15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40.exe

  • Size

    5.3MB

  • MD5

    c8627d527e77a0ef72d4cf95c2372029

  • SHA1

    fb137315fc704f3440c1598431af75972794c673

  • SHA256

    15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40

  • SHA512

    e94ed1163969eb3ab88d5f922b51e13b9477f5107eddc409c2ddecca326bbb8867ff89186800f5f792e19ff52c34694debfea3a2d24f0464bd5fae742a0b1c90

  • SSDEEP

    98304:LCPwQxcW9q8uwKVDhkIzfNhicx/aktet2uucyOZqcTXj5M3H4hOFe:qtiW9qZwKfVzbicxycG2uvFBzja3H4hb

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • UPX packed file 25 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40.exe
    "C:\Users\Admin\AppData\Local\Temp\15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c Wmic Path Win32_VideoController Get Description
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3448
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        Wmic Path Win32_VideoController Get Description
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ÅäÖÃÎļþ\Ó²¼þÉèÖÃ.ini

    Filesize

    242B

    MD5

    299dc6bb2b20dd9dce8eab8be9df1d20

    SHA1

    e4b1eb77b099161808da8271693f24e3adf88da1

    SHA256

    d04687236b43bf250e09c8244647a35b6fa9529cc895df1304b37287602dadc7

    SHA512

    3a04451e87faa5353dbb6080966620475372ed91b977ac1eee9c25cfed385aec8c38103e20a95c956fec44e485c156306f0e06b16290e930df4493f8e6e53c80

  • C:\Users\Admin\AppData\Local\Temp\ÅäÖÃÎļþ\Ó²¼þÉèÖÃ.ini

    Filesize

    272B

    MD5

    e3b77fd399abc8ff658d6f09138d7d72

    SHA1

    53e89cd91a7617c067624da8989da3503437b9aa

    SHA256

    a00664db6b2da508f499097282cbb311abeafd39327ee2efc40a6549146a7797

    SHA512

    ca3b2e4f65210b34f87cb93dc46ce2693e97b55fe84c14e381e081f675667280a80736c454fc8ee697a25245039466234b9cb9b67d39aa242e4741164c7e4a41

  • C:\Users\Admin\AppData\Local\Temp\ÅäÖÃÎļþ\Ó²¼þÉèÖÃ.ini

    Filesize

    283B

    MD5

    caacca8375366e74dac8e0bfa9d6629a

    SHA1

    cd31270c2c128fa03a4a6c6782a26847db0c4271

    SHA256

    3087428a08fab41e58f3644a79dc05d742dc2d9ca1980bf15c368c39c9d7a0dd

    SHA512

    1e09b4076aec8a8f3f3c54cbd098e5673a7f8c73d8631623645d9dc18e83f86dd5b4504209c761aa4e5cf44c8508187202c185a9327cfc76d9b93886e5a2e827

  • memory/2816-25-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-17-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-31-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-48-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-49-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-46-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-44-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-42-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-19-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-38-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-37-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-29-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-27-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-0-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2816-33-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-23-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-40-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-21-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-15-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-13-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-11-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-9-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-7-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-6-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-5-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-4-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2816-3-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2816-2-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2816-112-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2816-114-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2816-115-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2816-116-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB