Analysis

  • max time kernel
    91s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/08/2023, 14:29 UTC

General

  • Target

    fyb_static_endcard_tmpl.html

  • Size

    3KB

  • MD5

    d18fb1787ce0e84567496b8564e452aa

  • SHA1

    007033d0824685600611af6992060577e127dd23

  • SHA256

    2ae5e0576febb1a1cd63b10bf71644f99fcfd0fe7fb1f2d19525594165294e51

  • SHA512

    ba5225a80941e3ee4ff18401b910968a6cab47634914ecb68213599b96fd4b39c8722e82bf2883faf355d9416a6f2acaa36151a5d8969079cfcd4c6795f6003b

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 41 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\fyb_static_endcard_tmpl.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2172 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:5064

Network

  • flag-us
    DNS
    2.136.104.51.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    2.136.104.51.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    121.208.253.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    121.208.253.8.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    20.160.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    20.160.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    200.81.21.72.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    200.81.21.72.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    200.197.79.204.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    200.197.79.204.in-addr.arpa
    IN PTR
    Response
    200.197.79.204.in-addr.arpa
    IN PTR
    a-0001a-msedgenet
  • flag-us
    DNS
    19.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    19.229.111.52.in-addr.arpa
    IN PTR
    Response
  • 204.79.197.200:443
    ieonline.microsoft.com
    tls, http2
    iexplore.exe
    1.2kB
    8.3kB
    15
    14
  • 8.8.8.8:53
    2.136.104.51.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    2.136.104.51.in-addr.arpa

  • 8.8.8.8:53
    121.208.253.8.in-addr.arpa
    dns
    72 B
    126 B
    1
    1

    DNS Request

    121.208.253.8.in-addr.arpa

  • 8.8.8.8:53
    20.160.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    20.160.190.20.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    198.187.3.20.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    198.187.3.20.in-addr.arpa

  • 8.8.8.8:53
    200.81.21.72.in-addr.arpa
    dns
    71 B
    142 B
    1
    1

    DNS Request

    200.81.21.72.in-addr.arpa

  • 8.8.8.8:53
    200.197.79.204.in-addr.arpa
    dns
    73 B
    106 B
    1
    1

    DNS Request

    200.197.79.204.in-addr.arpa

  • 8.8.8.8:53
    19.229.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    19.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    471B

    MD5

    412e3a3e491a893c604bbbd446635441

    SHA1

    4ba32da0107e6d7a10579c6fdae9e8454ca5f629

    SHA256

    132c1966cdf1c6a2d87c6f90d328a1ab24856853b157e819d13a135091735a3e

    SHA512

    cce37c293e794b1c1e6580f0567b4c22d1ef8722041952a88da80b7e3a8f5781a6510a222f7d5ef7133f1e18d1c46d1687e107019d0a44a40b255d68b298b731

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

    Filesize

    404B

    MD5

    a0ec2f91b1ffc5a41264a37ac16cf36a

    SHA1

    3e532369c60ed0ba3ccb01bc6d261bf9edbc2ed2

    SHA256

    4931dc22e3fd33d7b17baf0feb580b055a004591f4be55aa0edd64835d5214f2

    SHA512

    f3407851470b4dd936c964cbc558f8ff73156295b07888b4c1b250d9cef7d1c1b8ce55a1bd85a15a81887308e5a50daf2d2cbf2b78aadf19234036003979c44b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SUUB7YB2\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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