Overview

overview

10

Static

static

10

solaraboot...er.exe

windows7-x64

7

solaraboot...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    solarabootstrapper.exe

  • Size

    76.8MB

  • Sample

    240817-rmtm5asgqn

  • MD5

    b7f83513f7aa52686aa77304c3721e2b

  • SHA1

    4d9d605eee2a6867915f77c3e9103d16d41ad1c8

  • SHA256

    6ff56cb13fd1d91d0ed8f8adb28dee646cc8a3718da288b1ee7854514f02e84a

  • SHA512

    b3135e41397d31423869efc0c2386c61ec11b896fa1d2a37334fe19dc830a66d088b2d6f9dae1637b309c0d13eea309b85fd1098a63be1bb892546170c2ad71e

  • SSDEEP

    1572864:UvHcRlKW4h7vXSk8IpG7V+VPhqYdfME7tlHegiYweyJulZUdg+harFfEpV37U:UvHcRYvhTSkB05awcfLdMpuyhar5Wo

Score
10/10
pysilonevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      solarabootstrapper.exe

    • Size

      76.8MB

    • MD5

      b7f83513f7aa52686aa77304c3721e2b

    • SHA1

      4d9d605eee2a6867915f77c3e9103d16d41ad1c8

    • SHA256

      6ff56cb13fd1d91d0ed8f8adb28dee646cc8a3718da288b1ee7854514f02e84a

    • SHA512

      b3135e41397d31423869efc0c2386c61ec11b896fa1d2a37334fe19dc830a66d088b2d6f9dae1637b309c0d13eea309b85fd1098a63be1bb892546170c2ad71e

    • SSDEEP

      1572864:UvHcRlKW4h7vXSk8IpG7V+VPhqYdfME7tlHegiYweyJulZUdg+harFfEpV37U:UvHcRYvhTSkB05awcfLdMpuyhar5Wo

    Score
    9/10
    upxevasionexecutionpersistence

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks