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Overview

overview

5

Static

static

3

2024-04-11...uk.exe

windows7-x64

5

2024-04-11...uk.exe

windows10-2004-x64

5

Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 05:44

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General

  • Target

    2024-04-11_f3ede63d8fdbb2c3854077407495870a_cobalt-strike_ryuk.exe

  • Size

    796KB

  • MD5

    f3ede63d8fdbb2c3854077407495870a

  • SHA1

    579e75d782340ccdd8c6b2a2640f678672e3301e

  • SHA256

    8757c333fe95dcb1ddd4d4db9474f66c9e8bdc4271e4e781dc79cd20aedc1914

  • SHA512

    e6597f50244277e54d440d55d89f649ae070ea2930ddee2b18be5801b44247d9eec33eb96ec5de77c02aeb0ef2f25ea7283ef14c19bb7a2b60801258e71999b5

  • SSDEEP

    12288:GXDCAZzP/w24lhaPStDCf7O4TsH+mGadTSdZKKQWOs5NgsPjYc+igyjj6n4zaD:RANw243abpT0rdwQWOwN7PPpgyqn4zI

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\2024-04-11_f3ede63d8fdbb2c3854077407495870a_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-11_f3ede63d8fdbb2c3854077407495870a_cobalt-strike_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4752
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2444

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4752-1-0x0000000000C00000-0x0000000000C60000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4752-0-0x0000000140000000-0x00000001400CF000-memory.dmp

      Filesize

      828KB

      Download

    • memory/4752-7-0x0000000000C00000-0x0000000000C60000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4752-10-0x0000000000C00000-0x0000000000C60000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4752-12-0x0000000140000000-0x00000001400CF000-memory.dmp

      Filesize

      828KB

      Download