Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 14:48

General

  • Target

    ֮.exe

  • Size

    1.4MB

  • MD5

    5b09029117dedb91f4b06ef3c0e8b94f

  • SHA1

    6cef43f5147d5fe01b66748157782626cce44c28

  • SHA256

    4dbc3ae45a04dea291f318cfefdd091af2d6a2a747f4970a1c369752ca093558

  • SHA512

    fdd0385a7f094774fb77bec9830c7eb62fa081936c55c91539394421d2b0b8dde8ea7bb84a48001814a1e0b496e741cc5ee5c2ebd905c9ef945e7dbb22e38c32

  • SSDEEP

    24576:SRFS7Iid6Nx7izcFsaWrtLTOITQA6kOStpbspT63cGnD:vDd6ziVTOITQAOpT63cGnD

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\֮.exe
    "C:\Users\Admin\AppData\Local\Temp\֮.exe"
    1⤵
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\twcache.ini

    Filesize

    928B

    MD5

    c1ff1068308ff7fc2d9866ac251e64f8

    SHA1

    2c367bf3f57b7a08cca503361af82383c73abc45

    SHA256

    562ca1ac5bce914d177f477a628e1815ede0038ec285daf6fe7093d60383d852

    SHA512

    e6fa92d1321f88e65345fb85930cbcf7ed739c1a2e1f1d6e17cc6130193820d9ff7425f31318755c2ea19c842f59fcaa9693d2036e2bcd20d2a8a2826b2687ed

  • C:\Users\Admin\AppData\Local\Temp\֮.ini

    Filesize

    42B

    MD5

    dd84f9e2e5df476b50c0315e415f0185

    SHA1

    0dca8b4292e5e80ec1633d792f22ef51fe25549d

    SHA256

    f91870be47d74b895b693d5ae2559484bf00f02ce6d44c89a2d63e647a2e3347

    SHA512

    e576e229f1a6a5abb4bcd901e5c5a2f9e39f292037355a4b500f9d3a914f09ab82e321cedb88f04adeb718ac94e78088649fad7ebbf1e92ba7331d90c0296427

  • memory/1876-56-0x0000000075910000-0x0000000075938000-memory.dmp

    Filesize

    160KB

  • memory/1876-55-0x0000000077AA0000-0x0000000077B03000-memory.dmp

    Filesize

    396KB

  • memory/1876-8-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-9-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-10-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-4-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-1-0x0000000077820000-0x0000000077821000-memory.dmp

    Filesize

    4KB

  • memory/1876-53-0x0000000077820000-0x0000000077821000-memory.dmp

    Filesize

    4KB

  • memory/1876-0-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-5-0x0000000077800000-0x00000000778F0000-memory.dmp

    Filesize

    960KB

  • memory/1876-57-0x0000000076FE0000-0x0000000076FF8000-memory.dmp

    Filesize

    96KB

  • memory/1876-58-0x0000000076480000-0x0000000076701000-memory.dmp

    Filesize

    2.5MB

  • memory/1876-61-0x0000000075070000-0x00000000750EF000-memory.dmp

    Filesize

    508KB

  • memory/1876-60-0x0000000076710000-0x000000007678A000-memory.dmp

    Filesize

    488KB

  • memory/1876-62-0x00000000750F0000-0x0000000075298000-memory.dmp

    Filesize

    1.7MB

  • memory/1876-59-0x0000000076940000-0x0000000076EF3000-memory.dmp

    Filesize

    5.7MB

  • memory/1876-64-0x0000000077800000-0x00000000778F0000-memory.dmp

    Filesize

    960KB

  • memory/1876-63-0x00000000752A0000-0x00000000756F0000-memory.dmp

    Filesize

    4.3MB

  • memory/1876-119-0x0000000076480000-0x0000000076701000-memory.dmp

    Filesize

    2.5MB