Overview

overview

8

Static

static

1.exe

windows7_x64

8

1.exe

windows10-2004_x64

8

speco_plugin.exe

windows7_x64

8

speco_plugin.exe

windows10-2004_x64

8

system.exe

windows7_x64

6

system.exe

windows10-2004_x64

7

Analysis

  • max time kernel
    144s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    10-02-2022 21:59

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General

  • Target

    speco_plugin.exe

  • Size

    1.1MB

  • MD5

    53e4b14faf1e046d09c36b918442b06a

  • SHA1

    79bd631bf2f369af6139af3b67a815d62bbbabb9

  • SHA256

    5f88f1f8fb79311e568d194eee42c817d2883ebaa6d1afbccb1a9b2d4de7b5c8

  • SHA512

    b6698dcf9a2db51d4c28d1f65ec7f432c3b4b6a5b14e82af08d5c4d84aa568d38f25cde3de2438db22e9615633abec3a83ad06b73ecbf190134e39660b259c15

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 16 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 51 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\speco_plugin.exe
    "C:\Users\Admin\AppData\Local\Temp\speco_plugin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\pftC5A1~tmp\Disk1\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\pftC5A1~tmp\Disk1\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\Program Files (x86)\Common Files\InstallShield\engine\6\Intel 32\IKernel.exe
        "C:\Program Files (x86)\Common Files\InstallShield\engine\6\Intel 32\IKernel.exe" -RegServer
        3⤵
        • Executes dropped EXE
        • Modifies registry class
        PID:3440
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3316
  • C:\PROGRA~2\COMMON~1\INSTAL~1\engine\6\INTEL3~1\IKernel.exe
    C:\PROGRA~2\COMMON~1\INSTAL~1\engine\6\INTEL3~1\IKernel.exe -Embedding
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Program Files (x86)\Common Files\InstallShield\engine\6\Intel 32\iKernel.exe
      "C:\Program Files (x86)\Common Files\InstallShield\engine\6\Intel 32\iKernel.exe" /REGSERVER
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:1396
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:400

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • memory/2072-163-0x0000000003320000-0x000000000334C000-memory.dmp

    Filesize

    176KB

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