Analysis

  • max time kernel
    80s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2023 16:45

General

  • Target

    legal.html

  • Size

    123B

  • MD5

    af9f0ae5203339d6a907614460f154c0

  • SHA1

    8df913641e9f5f0d9c688106494d32766f651454

  • SHA256

    73ebfad8c6f565422fd1b2c9bf5434d16f0b8dc64ad283c0c857ed686ff46010

  • SHA512

    ac8d7a17170be883f1267c4de7253cc5b355b6da77f338c5b80a860f32d394d8659fda7bd55da2f0f4fb94da2b1ee3859bc4c53755bb41c1c14cd41e0ecf0946

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\legal.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4216 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:4620

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    471B

    MD5

    f555af3f1b663a55df56040069b6097b

    SHA1

    ac566b3ec3882b349616e37dcce15f1470496361

    SHA256

    e9a0504f3aaee42e85baf24a611a6c237ba0de8c974cf2cb0b9f26913e445d5a

    SHA512

    8fca6bdd6356875a5e21d988cc809e6d062c1ee3271293f837968138fc4f302c5457707c4152a62b1ab8469c01c90d4dcde80bdbc210541ef12d151ff6edf1c2

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    404B

    MD5

    013b9a5dd9d06ec7abb553929ba4b0ef

    SHA1

    15fd941c9611e46d2536cc1bd0256551cacd96de

    SHA256

    c2382802836dff6d35f11ddc3aa7821d5c87954be02942f8687694f48e50eae5

    SHA512

    00cbae9199df4ecf3e178fdd622cdc99abdb1dca02226367e33333a4874eb64004b5bee49185dc36a76c0082b07e4abfd16a4d755ea2a514fd0c89824773d376

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

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee