Resubmissions

02-12-2022 13:53

221202-q7dlzadd79 10

02-12-2022 13:44

221202-q1v8fagd4s 1

Analysis

  • max time kernel
    74s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 13:53

General

  • Target

    https://narubira.info/

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" https://narubira.info/
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:644 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3960

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

    4132c54f59c529167c112e7f519120fa

    SHA1

    94cc9036fa031258aa744c7ee88e3c0b6c7a73da

    SHA256

    e9f456cf8bb8cc4a683d1c2f792feeb4c83fff24a86e6bcb260eff8fbff126fb

    SHA512

    e8efb8e81a90ffbe177301fbba4470ded104fc6d12cfa0123938b981d612eb2c4a66bb47b585cd43ed6ed4940e0ad5a1e3a5d9d18f8cb643e741aae694c4baee

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

    434B

    MD5

    645066d8569dfecc7a521bc20c0a9e59

    SHA1

    af5fd7dbed0d87151fca0d07ee604f4e272ad6f2

    SHA256

    eab33e2ef62b686e8c80f3ad7c1ed374dbd93d4b74c900ff5d3a3e8cf870ff75

    SHA512

    c42ac389aa689cdc54cce2ec8df706a25cf8cb7b14606e4c59cf0677c7b2e17c35d85acd1ae36b0a3f4da292c46b1e7c4dc6a327342fcca407a7a569056e4c42