Analysis

  • max time kernel
    101s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2022, 12:19

General

  • Target

    http://5.255.103.59/1cb4c/7E563.exe

Score
10/10

Malware Config

Signatures

  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Modifies registry class 48 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://5.255.103.59/1cb4c/7E563.exe
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1264 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1704
  • C:\Users\Admin\Desktop\7E563.exe
    "C:\Users\Admin\Desktop\7E563.exe"
    1⤵
    • Executes dropped EXE
    PID:676
  • C:\Users\Admin\Desktop\7E563.exe
    "C:\Users\Admin\Desktop\7E563.exe"
    1⤵
    • Executes dropped EXE
    PID:1444

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\QLM1BWDL.txt

    Filesize

    604B

    MD5

    4c4f3675b1b66100bcac22047aab546e

    SHA1

    f52e472c70d9084b4f5ee31449bafcce445ba934

    SHA256

    5643182652c04374010bbcad33cc749de07b14a2c46fb2469d17fc787ca30a57

    SHA512

    bf28f3dd46d4501c65a12a544c67a7ee7a1047fa3bd924102bfec870b2b2d756f613a53e761b13e28d9e90f140eaf07d321ec01b2db5c3925d9eff21e11b33ab

  • C:\Users\Admin\Desktop\7E563.exe

    Filesize

    4.0MB

    MD5

    f1fcfddfc287bac854ad33726c342a11

    SHA1

    1a16e99f426bf6804dbd1b210fe638c4fbccfbe4

    SHA256

    ec48e4f7a92017942ae73a4636cf0d443edf43e8e6e8668607f9f9d8ad54143e

    SHA512

    2a0aa0754175374133f6168afec5db96b87b34cd4058acb9515803cb70faa95095dff65c9404fc871bd68fbc56cfb6a888c163e080a3d0f7f2372f6cd5740218

  • C:\Users\Admin\Desktop\7E563.exe

    Filesize

    4.0MB

    MD5

    f1fcfddfc287bac854ad33726c342a11

    SHA1

    1a16e99f426bf6804dbd1b210fe638c4fbccfbe4

    SHA256

    ec48e4f7a92017942ae73a4636cf0d443edf43e8e6e8668607f9f9d8ad54143e

    SHA512

    2a0aa0754175374133f6168afec5db96b87b34cd4058acb9515803cb70faa95095dff65c9404fc871bd68fbc56cfb6a888c163e080a3d0f7f2372f6cd5740218

  • C:\Users\Admin\Desktop\7E563.exe.723usgv.partial

    Filesize

    4.0MB

    MD5

    f1fcfddfc287bac854ad33726c342a11

    SHA1

    1a16e99f426bf6804dbd1b210fe638c4fbccfbe4

    SHA256

    ec48e4f7a92017942ae73a4636cf0d443edf43e8e6e8668607f9f9d8ad54143e

    SHA512

    2a0aa0754175374133f6168afec5db96b87b34cd4058acb9515803cb70faa95095dff65c9404fc871bd68fbc56cfb6a888c163e080a3d0f7f2372f6cd5740218

  • \Users\Admin\Desktop\7E563.exe

    Filesize

    4.0MB

    MD5

    f1fcfddfc287bac854ad33726c342a11

    SHA1

    1a16e99f426bf6804dbd1b210fe638c4fbccfbe4

    SHA256

    ec48e4f7a92017942ae73a4636cf0d443edf43e8e6e8668607f9f9d8ad54143e

    SHA512

    2a0aa0754175374133f6168afec5db96b87b34cd4058acb9515803cb70faa95095dff65c9404fc871bd68fbc56cfb6a888c163e080a3d0f7f2372f6cd5740218

  • \Users\Admin\Desktop\7E563.exe

    Filesize

    4.0MB

    MD5

    f1fcfddfc287bac854ad33726c342a11

    SHA1

    1a16e99f426bf6804dbd1b210fe638c4fbccfbe4

    SHA256

    ec48e4f7a92017942ae73a4636cf0d443edf43e8e6e8668607f9f9d8ad54143e

    SHA512

    2a0aa0754175374133f6168afec5db96b87b34cd4058acb9515803cb70faa95095dff65c9404fc871bd68fbc56cfb6a888c163e080a3d0f7f2372f6cd5740218

  • \Users\Admin\Desktop\7E563.exe

    Filesize

    4.0MB

    MD5

    f1fcfddfc287bac854ad33726c342a11

    SHA1

    1a16e99f426bf6804dbd1b210fe638c4fbccfbe4

    SHA256

    ec48e4f7a92017942ae73a4636cf0d443edf43e8e6e8668607f9f9d8ad54143e

    SHA512

    2a0aa0754175374133f6168afec5db96b87b34cd4058acb9515803cb70faa95095dff65c9404fc871bd68fbc56cfb6a888c163e080a3d0f7f2372f6cd5740218

  • \Users\Admin\Desktop\7E563.exe

    Filesize

    4.0MB

    MD5

    f1fcfddfc287bac854ad33726c342a11

    SHA1

    1a16e99f426bf6804dbd1b210fe638c4fbccfbe4

    SHA256

    ec48e4f7a92017942ae73a4636cf0d443edf43e8e6e8668607f9f9d8ad54143e

    SHA512

    2a0aa0754175374133f6168afec5db96b87b34cd4058acb9515803cb70faa95095dff65c9404fc871bd68fbc56cfb6a888c163e080a3d0f7f2372f6cd5740218

  • memory/676-59-0x0000000000030000-0x0000000000E42000-memory.dmp

    Filesize

    14.1MB

  • memory/676-60-0x0000000000030000-0x0000000000E42000-memory.dmp

    Filesize

    14.1MB

  • memory/1444-64-0x0000000000030000-0x0000000000E42000-memory.dmp

    Filesize

    14.1MB

  • memory/1444-65-0x0000000000030000-0x0000000000E42000-memory.dmp

    Filesize

    14.1MB