General

  • Target

    5891d1d66b82e3402a802001767f4e4658540894434f8782890b8fa5bb6ec9b2

  • Size

    3.4MB

  • Sample

    230327-13g4psfe59

  • MD5

    81ab01019e8366be47824b7231094c81

  • SHA1

    da42bdeefc2f10a34b19f6223d7c0ad6a68251e9

  • SHA256

    5891d1d66b82e3402a802001767f4e4658540894434f8782890b8fa5bb6ec9b2

  • SHA512

    edbae1f7df2ee65f0b9f86c27bf090578227e01bb87607689c40e4b3c880ec40d719b49578324f801fd2475a191e7444afbe74e57b56b803c40f884fa6f671fc

  • SSDEEP

    98304:MJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRV6:M8D/yIqlhlW4i/QsnwZzjMSeV6

Malware Config

Targets

    • Target

      5891d1d66b82e3402a802001767f4e4658540894434f8782890b8fa5bb6ec9b2

    • Size

      3.4MB

    • MD5

      81ab01019e8366be47824b7231094c81

    • SHA1

      da42bdeefc2f10a34b19f6223d7c0ad6a68251e9

    • SHA256

      5891d1d66b82e3402a802001767f4e4658540894434f8782890b8fa5bb6ec9b2

    • SHA512

      edbae1f7df2ee65f0b9f86c27bf090578227e01bb87607689c40e4b3c880ec40d719b49578324f801fd2475a191e7444afbe74e57b56b803c40f884fa6f671fc

    • SSDEEP

      98304:MJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRV6:M8D/yIqlhlW4i/QsnwZzjMSeV6

    • 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.

    • Executes dropped EXE

    • Modifies file permissions

    • UPX packed file

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

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks