Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 15:49

General

  • Target

    2024-04-17_8cfbc101997b5df884dbda55e6cc56eb_cobalt-strike_ryuk.exe

  • Size

    946KB

  • MD5

    8cfbc101997b5df884dbda55e6cc56eb

  • SHA1

    c374bc96128c120f3e93260b746107b5a309b443

  • SHA256

    553f8cdf88127eb698fa93058c2577363bed59e389f2d8ea8bd4d97858708ed2

  • SHA512

    c6f340074283099e0b56270873352763cd9108559d606441622a2d7ad9b853eece610e5e4b3d5a620c4311175c4be74287dd3b089a7ebb08758bbd605c6ecf93

  • SSDEEP

    24576:5TgnpwJ+RWt/sBlDqgZQd6XKtiMJYiPU:10d8/snji6attJM

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-17_8cfbc101997b5df884dbda55e6cc56eb_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-17_8cfbc101997b5df884dbda55e6cc56eb_cobalt-strike_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4720-1-0x0000000140000000-0x00000001400F6000-memory.dmp

    Filesize

    984KB

  • memory/4720-0-0x0000000000C00000-0x0000000000C60000-memory.dmp

    Filesize

    384KB

  • memory/4720-7-0x0000000000C00000-0x0000000000C60000-memory.dmp

    Filesize

    384KB

  • memory/4720-10-0x0000000000C00000-0x0000000000C60000-memory.dmp

    Filesize

    384KB

  • memory/4720-12-0x0000000140000000-0x00000001400F6000-memory.dmp

    Filesize

    984KB