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Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-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 24 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.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 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)
    • Drops file in Windows directory
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c Wmic Path Win32_VideoController Get Description
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        Wmic Path Win32_VideoController Get Description
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD84C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    283B

    MD5

    caacca8375366e74dac8e0bfa9d6629a

    SHA1

    cd31270c2c128fa03a4a6c6782a26847db0c4271

    SHA256

    3087428a08fab41e58f3644a79dc05d742dc2d9ca1980bf15c368c39c9d7a0dd

    SHA512

    1e09b4076aec8a8f3f3c54cbd098e5673a7f8c73d8631623645d9dc18e83f86dd5b4504209c761aa4e5cf44c8508187202c185a9327cfc76d9b93886e5a2e827

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

    Filesize

    372B

    MD5

    998be4fd896e0945713059b342f8c394

    SHA1

    047bf4c55556a68bd2c4ed4f4369d57df8df078e

    SHA256

    c4bfb719b7facbffcd4e8e9af3c91ff6418a31b8e3e7e9265253c72b6e18429b

    SHA512

    a818055b7e2ac5827bb483f8caae387bc80e57688edaad1a7faaa4b4b333c51ff4e02c846e5c90ffc886100cae524679ea93ca119410da0b3518f85e910f26d0

  • 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

  • memory/2944-32-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-24-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-4-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-5-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-7-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-11-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-14-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-41-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-18-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-53-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-52-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-49-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-47-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-45-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-39-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-38-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-36-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-34-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-3-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-29-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-25-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-2-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-22-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-16-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-13-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-6-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-90-0x00000000060E0000-0x00000000060F0000-memory.dmp

    Filesize

    64KB

  • memory/2944-139-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-140-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-141-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2944-142-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-143-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-1-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-144-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-197-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-198-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-200-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-201-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-202-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-203-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-204-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-205-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-206-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB

  • memory/2944-207-0x0000000000400000-0x00000000013E2000-memory.dmp

    Filesize

    15.9MB