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Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 00:29

General

  • Target

    21bce9823b577c12a97729da023d6cfb.dll

  • Size

    18KB

  • MD5

    21bce9823b577c12a97729da023d6cfb

  • SHA1

    39cc9482b777b779855bb6b60099092acf690a56

  • SHA256

    94a9b2348dcaf66e2b2da811f99cb50df6765c06d080869e4c445b0ee6137070

  • SHA512

    14aedc6336b37b92fb8e9f22770a1b5e00cdba365dfd27e8ba37cc3b7f9061c0a902c975e15509418c5dc85045c35e27f1c7b63af4d860d2ff0b1db8cf175433

  • SSDEEP

    192:rrgwjWz0YbjomkHB5L7+4MYTkvTleLheknzRvg7g6jRWhSIrY3r1lXLxMRCic0bt:AwjWbkmC7DATMTzuF3r1Ft5icSA20

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\21bce9823b577c12a97729da023d6cfb.dll,#1
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1716
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\21bce9823b577c12a97729da023d6cfb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3124
  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1716 CREDAT:17410 /prefetch:2
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    PID:1620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verC265.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9ALL181V\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/1380-1-0x0000000010000000-0x0000000010007000-memory.dmp

    Filesize

    28KB

  • memory/1380-0-0x0000000010000000-0x0000000010007000-memory.dmp

    Filesize

    28KB