Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-04-2024 11:20

General

  • Target

    2024-04-21_1285c7bfb262766407ef4359bb1d0efe_cobalt-strike_ryuk.exe

  • Size

    796KB

  • MD5

    1285c7bfb262766407ef4359bb1d0efe

  • SHA1

    2f29f01cf6b920cf16e616b4e197a56117b3a941

  • SHA256

    8354cf920562c3b888dce78db3cbdcb0e6f6edf0625d695a23d4785153d14b0e

  • SHA512

    eea107183f973b0f9ffc4e32aab8c267f51bfad3418ca870c39b324bc258c48cdc03039081c770838f2afeb01aa242735bd32716bc42dc4ee0466311b93c2abf

  • SSDEEP

    12288:vXDCAZzP/w24lhBXM376vJleIU8L//BxUDmAw5PL64a7R7tC4RilwJT6RZQjtFvT:+ANw243hM376SIU35w5PLCx04Rn6Tw

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\2024-04-21_1285c7bfb262766407ef4359bb1d0efe_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-21_1285c7bfb262766407ef4359bb1d0efe_cobalt-strike_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1904

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1904-0-0x0000000140000000-0x00000001400CF000-memory.dmp

    Filesize

    828KB

  • memory/1904-1-0x00000000009E0000-0x0000000000A40000-memory.dmp

    Filesize

    384KB

  • memory/1904-8-0x00000000009E0000-0x0000000000A40000-memory.dmp

    Filesize

    384KB

  • memory/1904-7-0x00000000009E0000-0x0000000000A40000-memory.dmp

    Filesize

    384KB

  • memory/1904-13-0x00000000009E0000-0x0000000000A40000-memory.dmp

    Filesize

    384KB

  • memory/1904-14-0x0000000140000000-0x00000001400CF000-memory.dmp

    Filesize

    828KB