Analysis

  • max time kernel
    147s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 01:56

General

  • Target

    classroom.html

  • Size

    517B

  • MD5

    ff28760867f416f792f570022ac87974

  • SHA1

    01b2dd0349eb737ea3d43be36e0f610ddb7eb70a

  • SHA256

    cc055d1486aa3f323ee3a22ee16e343619b98e538b5cf7ff960bc53e0deb72e0

  • SHA512

    829f8cd106f8532cc7c5a477d68c9aeb440af3937ced4d82d49289fce786f64233dbff9d722f8d47d5b8eb0714e49832f53053041ec3e27345ff1ac345fcd0c3

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 64 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\classroom.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:552 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

    Filesize

    4KB

    MD5

    da597791be3b6e732f0bc8b20e38ee62

    SHA1

    1125c45d285c360542027d7554a5c442288974de

    SHA256

    5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

    SHA512

    d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

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

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K1QHLR0H\478691279-postmessagerelay[1].js

    Filesize

    12KB

    MD5

    92169c8a0fbf6e404267d0705cdbdf42

    SHA1

    a5cd88b74ca5ced239cdbfb458fe25540d671f46

    SHA256

    dba668b49a111527aac8f616b9053ea57c944e01a84ebdcd02a13da921223384

    SHA512

    8c5d35ea512fa7be367cd9a9ded2f23822dcce730e5502a355ed0d48949ef763eab13be0d50a66de6b0f8419d6a002c12c4ddbf20d97f5393ba922e48a4f02e2

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W5A2S7N8\cb=gapi[2].js

    Filesize

    63KB

    MD5

    cdb36a850d26fccb00efbfed7d979ce1

    SHA1

    9c55aa9dea8adadf4492720a10a9dd247850b021

    SHA256

    d127dd2279301f5a78a378d3c716874f4d1c87fb320715231fcfb48619479e04

    SHA512

    b96f7ebf855d7a1eb2a88c06ed76afa8eabbecb3ee59fdd5ab001d4382b0efb00e6056717fc88813f4162760e6ade549865f996cc5e3b1fc24c3c1dd6a07c740

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W5A2S7N8\rpc_shindig_random[1].js

    Filesize

    17KB

    MD5

    156bf4f08d76591f5d6d5805cab18b75

    SHA1

    fbdaf1e18e5dbfe807cbe745f4ef1c20549578a4

    SHA256

    d654ba61eb4a272d76a9584f27d09926c1e43014913d867f2bc01c1427176de5

    SHA512

    202bd47a3321b11be69cd6230d0adffb5aa81c8aebb240da42790ea66dc93e06c37e3ffe5db95c007bd774081ef0c79d4f81a692d41ebb8e4ab6e5010313149e

  • C:\Users\Admin\AppData\Local\Temp\Kno6C1.tmp

    Filesize

    88KB

    MD5

    002d5646771d31d1e7c57990cc020150

    SHA1

    a28ec731f9106c252f313cca349a68ef94ee3de9

    SHA256

    1e2e25bf730ff20c89d57aa38f7f34be7690820e8279b20127d0014dd27b743f

    SHA512

    689e90e7d83eef054a168b98ba2b8d05ab6ff8564e199d4089215ad3fe33440908e687aa9ad7d94468f9f57a4cc19842d53a9cd2f17758bdadf0503df63629c6