General

  • Target

    Solara-main.zip

  • Size

    13.2MB

  • Sample

    240629-wvgqrasflg

  • MD5

    6ec4621ddf57a2f2201b642d27affcae

  • SHA1

    e99b752840da5cd66539f1f4a42ce18d2e3d0cc3

  • SHA256

    c84516e135100e785a67158af28efdca3914ef7347fc0f1f568a8cca0ff827d1

  • SHA512

    0784fe8e83c1d54d0f347df83fade4879e160f42fec39261390f5e5d38cc6c6ee2c7c23746b6e64f8cf1c838f5fe07238d15dfcef526892f4343dfef365d63e8

  • SSDEEP

    393216:8UEb4h64DxEwf0ZDJkSpOAWDtnCeYpsAs:8UEbToV0ZDEJnG8

Malware Config

Targets

    • Target

      Solara-main/Files/SolaraBootstrapper.exe

    • Size

      13KB

    • MD5

      0cc81729f4bd4a6eac95cc442bc8df2a

    • SHA1

      5d5f367e720684dd64cfb5340d9911ec0782fdac

    • SHA256

      92960ae4a38d896418a14a1db5ba1547aa273443790e858d00dac4ce64550c2a

    • SHA512

      f6fc1fca47e4620e24652d8dc2aa88cdd7363172b31122c05d262349aeec88407a2b3fbbc4e4834c359960d4981fb9f674cfbfd9d5743dc917df72a3ebfb3c90

    • SSDEEP

      192:+ZnqvqiVx1BLO77IaqaLHmr/XKTxnTjw1hOPVXmNjA:0nCVxoIaqayzKtnw1h6VKj

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Command and Control

Web Service

1
T1102

Tasks