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Analysis

  • max time kernel
    71s
  • max time network
    78s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2023, 21:36

General

  • Target

    b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe

  • Size

    12.9MB

  • MD5

    a2b02b54375ee9b79ba48e2742b0c28a

  • SHA1

    c09b7bb97204f342b9360ea2a92ac91fe314c6b9

  • SHA256

    b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95

  • SHA512

    2949f40f9c0c8853cb4eb74e98784aba8b0cc50e5d5ece465fb9fc2f430169ab8887a7b3c6810954ed995b18332bde7beac91a17223e4ae77a7e9a2bb829c85c

  • SSDEEP

    393216:Rhe473oIZILBUvHHriuxMzX9idKSIR7E3UdgdxlD:Rd7OGvHXMzX9O3QdgtD

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 25 IoCs

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

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe
    "C:\Users\Admin\AppData\Local\Temp\b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll

    Filesize

    8.4MB

    MD5

    8b6c94bbdbfb213e94a5dcb4fac28ce3

    SHA1

    b56102ca4f03556f387f8b30e2b404efabe0cb65

    SHA256

    982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53

    SHA512

    9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

  • memory/4152-32-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-2-0x0000000000400000-0x0000000001EE6000-memory.dmp

    Filesize

    26.9MB

  • memory/4152-3-0x00000000024E0000-0x00000000024E1000-memory.dmp

    Filesize

    4KB

  • memory/4152-4-0x0000000002510000-0x0000000002511000-memory.dmp

    Filesize

    4KB

  • memory/4152-6-0x0000000002530000-0x0000000002531000-memory.dmp

    Filesize

    4KB

  • memory/4152-5-0x0000000002520000-0x0000000002521000-memory.dmp

    Filesize

    4KB

  • memory/4152-9-0x0000000000400000-0x0000000001EE6000-memory.dmp

    Filesize

    26.9MB

  • memory/4152-7-0x0000000002540000-0x0000000002541000-memory.dmp

    Filesize

    4KB

  • memory/4152-0-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/4152-18-0x0000000010000000-0x000000001010A000-memory.dmp

    Filesize

    1.0MB

  • memory/4152-22-0x0000000000400000-0x0000000001EE6000-memory.dmp

    Filesize

    26.9MB

  • memory/4152-24-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-23-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-25-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-26-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-28-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-1-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

  • memory/4152-30-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-54-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-36-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-38-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-40-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-42-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-44-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-46-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-48-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-50-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-52-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-34-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-56-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-58-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-60-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-63-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-65-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-67-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB

  • memory/4152-68-0x0000000007830000-0x000000000786E000-memory.dmp

    Filesize

    248KB