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Analysis

  • max time kernel
    152s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 08:00

General

  • Target

    22481b57460a84c75bee66652ece7a69afc946f29ab252f58bedbe021f47288a.exe

  • Size

    2.5MB

  • MD5

    10c2eaa27b20c9f6dd0f3add518cb789

  • SHA1

    34874c9556dd9c9eb9466b6974fdd409e47a1cb7

  • SHA256

    22481b57460a84c75bee66652ece7a69afc946f29ab252f58bedbe021f47288a

  • SHA512

    a3dc22d9e10f3ff19e1d17e6eb145bc860acdf0550cbb55531f4f8bcb0c21168fb045901b8ea150ce7ec26a5d84cffda2b01ba97218cbd466334de86c5a82a4b

  • SSDEEP

    49152:2v2GmLW0XNsRpN9TYjizKyVqHxM2qil+j5j8wB/jhT:aCW0GRf9uizKy065j8srh

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22481b57460a84c75bee66652ece7a69afc946f29ab252f58bedbe021f47288a.exe
    "C:\Users\Admin\AppData\Local\Temp\22481b57460a84c75bee66652ece7a69afc946f29ab252f58bedbe021f47288a.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\WINDOWS\SYSTEM\EXPLEROR.EXE
      C:\WINDOWS\SYSTEM\EXPLEROR.EXE
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\WINDOWS\SYSTEM\EXPLEROR.EXE

    Filesize

    612KB

    MD5

    d4d07d767615db6757bd842161121a15

    SHA1

    5813e4dcc9656c874ae06a91e23f6ef4a024e090

    SHA256

    aa5d23db3c2496acba298a0fdf0d79a5630720ee83c6af05bc2d02370ad2296a

    SHA512

    575ccf52a496f484661b534716f878cd10ed73cca5a4f235d707a928a1bf7a419994e6b3e3d06d08ec9fd2d571a527d15a265c484520bf2a3b4247a2d20ad4e2

  • C:\Windows\System\EXPLEROR.EXE

    Filesize

    612KB

    MD5

    d4d07d767615db6757bd842161121a15

    SHA1

    5813e4dcc9656c874ae06a91e23f6ef4a024e090

    SHA256

    aa5d23db3c2496acba298a0fdf0d79a5630720ee83c6af05bc2d02370ad2296a

    SHA512

    575ccf52a496f484661b534716f878cd10ed73cca5a4f235d707a928a1bf7a419994e6b3e3d06d08ec9fd2d571a527d15a265c484520bf2a3b4247a2d20ad4e2