Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 12:04

General

  • Target

    6d141ff6abb3a3f4edd4e606f57f7c84.exe

  • Size

    39KB

  • MD5

    6d141ff6abb3a3f4edd4e606f57f7c84

  • SHA1

    66f2bd35d5e9249bbe07aa5327183597f01ba348

  • SHA256

    bdb858fe70e18592c6f556c5d4e2241eb4103c0128f1ea37eea1036135bb7db8

  • SHA512

    e32bfbcf7c4d0ef75ab8746ad83553d5afec6565cf9ea4e4961b16cdd86fee5cf987b9f52f84e981e0abc917e497ae54e7daf5016410e8cc4a7f1cb75ee051d2

  • SSDEEP

    768:KyZn+U08qG3harFVKoQw/81C12AzmTjhA0OwV2umLV450Z2j:KI5qwhYULw01mJz4iDwkBV4zj

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 62 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d141ff6abb3a3f4edd4e606f57f7c84.exe
    "C:\Users\Admin\AppData\Local\Temp\6d141ff6abb3a3f4edd4e606f57f7c84.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Windows\SysWOW64\intell32.exe
      intell32.exe (null)
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2844
    • C:\Program Files\Internet Explorer\iexplore.exe
      iexplore.exe (null)
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2188 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3660
    • C:\Program Files\Internet Explorer\iexplore.exe
      iexplore.exe (null)
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:232
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:232 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{FC224E56-A4FC-11EE-BB4F-CA152A8DAB80}.dat

    Filesize

    5KB

    MD5

    6cf59e5a316e01cec03ceb7358645b7c

    SHA1

    885075e667d08391483223142e7cfea8c991424a

    SHA256

    edf13a32999bddbd40b9df13b7eab34ecb66c4925738704788a294d8ac6f4bcd

    SHA512

    d0cd944a3bb0d43f36b79e5bbc5b69d797b826aeb8d415a8759a65d683f8badd1320170769977198661f5ba2ea401b784b83d1b3007bb3e290bd49d12558909e

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{FC227566-A4FC-11EE-BB4F-CA152A8DAB80}.dat

    Filesize

    4KB

    MD5

    3172bcf847f395498ca02633d578d9dd

    SHA1

    3b7be274f376d0339d9eb53d17649e7c11242c9e

    SHA256

    7054495cb743fca0058d11402f751955cd2761f8ff5913b0da0b6f515183d1c4

    SHA512

    67ba461aedff5c961ad6e8a63216a3679711a022a75bb8d717cd4367583a2bbb8660b7b5cc395b2726c571d0b516f073d9e7055dfe497204a1cad3588174a71e

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE72.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GUTCV3OF\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\intell32.exe

    Filesize

    6KB

    MD5

    ec4353b91ebda5d575862ed125d760a2

    SHA1

    59df8bd92f54cf7fbb3d78819c70d9e47cf52b84

    SHA256

    1c7b05ed59917200e22d8fe824ed53c467abd79fbb7c92838634a90aca899fd0

    SHA512

    4b52a1fd61f057505727b56494a773856352143d1755fc6813faaa2d785ee5c987fab358c1f3c30d3a61273baf5b910e4ee820fabbaa0f6462cfeb338b8c69aa

  • memory/2844-7-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2844-23-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4180-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4180-22-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB