Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18-02-2024 10:01

General

  • Target

    2024-02-18_3e6fe688bff07546f4d526fbe1e6c514_cobalt-strike_ryuk.exe

  • Size

    796KB

  • MD5

    3e6fe688bff07546f4d526fbe1e6c514

  • SHA1

    271e5c114f46fdbd07077f36fbef2ca7e84f1864

  • SHA256

    0286ec7bf600df4c8718068e07dc179b4e7937c13c594bc00f18b4be1560c7bb

  • SHA512

    dc242c3a856fb34a2c85cc977a8480bb923eabbd019364d9b56b3ae49cd696fa1fb7681f2dfc92a24bc27c19d0a824d6ce0c75a86c429e5aacfe4b39577d4c4c

  • SSDEEP

    12288:/XDCAZzP/w24lh7DFaBfvfoPDct6SlxlwkJJrqQoUhTFfPLgpRtHmr/UNvp8hMof:mANw243FayDcMkqQpRQmr/UN4MbN

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\2024-02-18_3e6fe688bff07546f4d526fbe1e6c514_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-18_3e6fe688bff07546f4d526fbe1e6c514_cobalt-strike_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1724

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1724-0-0x0000000002320000-0x0000000002380000-memory.dmp

    Filesize

    384KB

  • memory/1724-1-0x0000000140000000-0x00000001400CF000-memory.dmp

    Filesize

    828KB

  • memory/1724-7-0x0000000002320000-0x0000000002380000-memory.dmp

    Filesize

    384KB

  • memory/1724-8-0x0000000002320000-0x0000000002380000-memory.dmp

    Filesize

    384KB

  • memory/1724-10-0x0000000002320000-0x0000000002380000-memory.dmp

    Filesize

    384KB

  • memory/1724-12-0x0000000140000000-0x00000001400CF000-memory.dmp

    Filesize

    828KB