Analysis

  • max time kernel
    134s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2023 14:25

General

  • Target

    http://outlook.office.com

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Modifies registry class 1 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" http://outlook.office.com
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1588 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\69C6F6EC64E114822DF688DC12CDD86C

    Filesize

    779B

    MD5

    9384ab7f52e0e78d1d16a44577f4a394

    SHA1

    ef6bd7d905251a84fc9c8855677d7a374e00a381

    SHA256

    805a55c4aa3a02174c5c96e8a7ad2c47f45b151cb87a3a6f89da7cc17b4a4fc8

    SHA512

    9f8a0786b55f02c0279e9bef90068a34c2cc2713b103a47fbfa13825942e0835d25c2f837bc34b2f31859fa14c888a403c6b30926ad2332ae6ef9b222c1fd8b3

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\69C6F6EC64E114822DF688DC12CDD86C

    Filesize

    246B

    MD5

    d5fa86443834633e9be992ce7ea2f1c0

    SHA1

    bacd73daf616225d86022545733cd2d120a28690

    SHA256

    e9e9b6472d1a0d44832bfa3cc6510b8cc152c5c3da7f149e6b3faf5f1f1d2cf5

    SHA512

    b92d2f6f6ae3b1a6fa6f232cababe018f3054123d233f61cf0bbce00985e51ede2e5e0f0887b66cf0bfcc59595d611f36ca541cad0f4ac415de417e424bbe3c3

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

    Filesize

    18KB

    MD5

    834eff10731bda630c9acb255976c7fb

    SHA1

    c34bae7e49f506ab92219b49069b24bc5a9fc666

    SHA256

    2fb9aa7725c8fbc2234364c982e5925faf235a86ed2ebfd5e1296c1414bc581b

    SHA512

    65fd5c401b5276ca02ae875a5ce81a2d70db226ecbcc57887558d07acb4fe86881cf49bb1f63ed0886dc6c68709cc2a5296a4d32a74a2c963945900cb91c65c3

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

    Filesize

    18KB

    MD5

    834eff10731bda630c9acb255976c7fb

    SHA1

    c34bae7e49f506ab92219b49069b24bc5a9fc666

    SHA256

    2fb9aa7725c8fbc2234364c982e5925faf235a86ed2ebfd5e1296c1414bc581b

    SHA512

    65fd5c401b5276ca02ae875a5ce81a2d70db226ecbcc57887558d07acb4fe86881cf49bb1f63ed0886dc6c68709cc2a5296a4d32a74a2c963945900cb91c65c3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\39K1WZBJ\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EY3KXMB3\favicon_a_eupayfgghqiai7k9sol6lg2[1].ico

    Filesize

    16KB

    MD5

    12e3dac858061d088023b2bd48e2fa96

    SHA1

    e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

    SHA256

    90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

    SHA512

    c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01