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Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-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 26 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 2 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:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    8.4MB

    MD5

    8b6c94bbdbfb213e94a5dcb4fac28ce3

    SHA1

    b56102ca4f03556f387f8b30e2b404efabe0cb65

    SHA256

    982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53

    SHA512

    9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

  • memory/2404-50-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-26-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2404-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2404-6-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2404-8-0x0000000000400000-0x0000000001EE6000-memory.dmp

    Filesize

    26.9MB

  • memory/2404-9-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2404-11-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2404-14-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2404-16-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2404-19-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2404-21-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2404-24-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2404-0-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2404-29-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2404-31-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2404-32-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2404-34-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2404-36-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2404-3-0x0000000000400000-0x0000000001EE6000-memory.dmp

    Filesize

    26.9MB

  • memory/2404-45-0x0000000010000000-0x000000001010A000-memory.dmp

    Filesize

    1.0MB

  • memory/2404-49-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-51-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-2-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2404-52-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-69-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-57-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-59-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-61-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-62-0x0000000000400000-0x0000000001EE6000-memory.dmp

    Filesize

    26.9MB

  • memory/2404-64-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-66-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-54-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-71-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-74-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-78-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-81-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-84-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-86-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-90-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-93-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-96-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-99-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-102-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-105-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-107-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-108-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB

  • memory/2404-109-0x0000000003E60000-0x0000000003E9E000-memory.dmp

    Filesize

    248KB