General

  • Target

    0584c52f946e866ea2caa2814b6a1787ef8470e85efdebab6e8fcee4654006df

  • Size

    4.4MB

  • Sample

    220521-ngsxvsghak

  • MD5

    b5254c6578562b5cfd776c9cdb930022

  • SHA1

    6a53830f5b5de17eb30eb8736c6380e80f547c69

  • SHA256

    0584c52f946e866ea2caa2814b6a1787ef8470e85efdebab6e8fcee4654006df

  • SHA512

    1f2e6ac0b61c24384e5075d92a266a901c00a72a62c1b158d0780ba3cc32e6afd410328e4d3f428d83c9b92d48a292b5213d27cf297b253921176bf25fef24e7

Malware Config

Targets

    • Target

      GEe97Z.msi

    • Size

      4.5MB

    • MD5

      4cd8781e8e4decc80f164492cb452a91

    • SHA1

      9f920f504d5a918ef4aa7bd725b6a9ba58c010f1

    • SHA256

      4447d83b1a103618cea2deaed2e10d38aef10df6dfd7c24288e632004d4590ea

    • SHA512

      f33d567ddd5e2ae81b89b42d8d27686cb29b10c34dc48d6462377c8d6138e79b1107ecf622c4220ef8ffee01b1f986c2b3f56d89733a8ef6175f081b723aa7b1

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Tasks