General

  • Target

    Solara.exe

  • Size

    21.2MB

  • Sample

    240925-y3s5vswapk

  • MD5

    a6bf6970741f337bcb700166165c1f30

  • SHA1

    f90ace8f03e2b76e243d539c8570d157f658d025

  • SHA256

    139c41c5638d344cf6a0f8fb38c61b3f657544b01dd95daff62d0e4b8ff908a1

  • SHA512

    c5ef34314bfbd5db99d8d02981e4ce5b46776bdae87e4768963fa902319a4d9712afe7bca302688a424eb9e7dffb9aa5da8444ea2877a48e3f9dd67622477521

  • SSDEEP

    393216:fOQxoHOKgCanLd/l/NmA6MierK6sl0Ibft5/TqcJb45EGle:2hOKgj/4MTrKV9ft5bqR5EGle

Malware Config

Targets

    • Target

      Solara.exe

    • Size

      21.2MB

    • MD5

      a6bf6970741f337bcb700166165c1f30

    • SHA1

      f90ace8f03e2b76e243d539c8570d157f658d025

    • SHA256

      139c41c5638d344cf6a0f8fb38c61b3f657544b01dd95daff62d0e4b8ff908a1

    • SHA512

      c5ef34314bfbd5db99d8d02981e4ce5b46776bdae87e4768963fa902319a4d9712afe7bca302688a424eb9e7dffb9aa5da8444ea2877a48e3f9dd67622477521

    • SSDEEP

      393216:fOQxoHOKgCanLd/l/NmA6MierK6sl0Ibft5/TqcJb45EGle:2hOKgj/4MTrKV9ft5bqR5EGle

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks