General

  • Target

    SolaraB.exe

  • Size

    50.0MB

  • Sample

    240712-29ykpsxdjd

  • MD5

    095aadf1d7b1a314f4577308fd30df39

  • SHA1

    0449a25e1788a8231964526ba38171a98af71be8

  • SHA256

    2e455f769e9d9123eaecab908c8a840c5a3bab500b8f37ebe1e54557ecb7b283

  • SHA512

    42fee741b746e58c6c0cd6731f489e8dd68b22f883e61e0c17e694bedc36f80be56212c6f41a499e35a51d3bf9df33c9ee5f518cc05c4878c981435e3fdfd2c1

  • SSDEEP

    1572864:W/jzr+3EvCpgD1qhO0z2vpiLQbh37b2lkD:A+z2D1qh/Jkbh37b2+D

Malware Config

Targets

    • Target

      SolaraB.exe

    • Size

      50.0MB

    • MD5

      095aadf1d7b1a314f4577308fd30df39

    • SHA1

      0449a25e1788a8231964526ba38171a98af71be8

    • SHA256

      2e455f769e9d9123eaecab908c8a840c5a3bab500b8f37ebe1e54557ecb7b283

    • SHA512

      42fee741b746e58c6c0cd6731f489e8dd68b22f883e61e0c17e694bedc36f80be56212c6f41a499e35a51d3bf9df33c9ee5f518cc05c4878c981435e3fdfd2c1

    • SSDEEP

      1572864:W/jzr+3EvCpgD1qhO0z2vpiLQbh37b2lkD:A+z2D1qh/Jkbh37b2+D

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks