General

  • Target

    2f1daf41d17043e9b479e306c5d7467d62d2da473fee1d1781fbde4e415114ed

  • Size

    3.4MB

  • Sample

    230319-cma4fsge7y

  • MD5

    2fa49cce2716beaa8747f80a1ff23a5f

  • SHA1

    63cafe83dfbd6dfae9f5d5796e9c49faa7f26259

  • SHA256

    2f1daf41d17043e9b479e306c5d7467d62d2da473fee1d1781fbde4e415114ed

  • SHA512

    b50530ebd1def720da9090deec61e086c8cf73b3919ab3aad3cf1290fb65922655c8a0ea67e5a6ccaec5178431e667bc9d70b35925b9dd52ce29a65726402d61

  • SSDEEP

    49152:lr1c7Kvf8e9HTgXHXayMSTQ5c1ztH9rDDQvOJRg05T0Oa/rm2ho8IucxzrurVlon:+Kvfd94XayMT5sH9M0aS8o9uWyUhHy+

Malware Config

Targets

    • Target

      2f1daf41d17043e9b479e306c5d7467d62d2da473fee1d1781fbde4e415114ed

    • Size

      3.4MB

    • MD5

      2fa49cce2716beaa8747f80a1ff23a5f

    • SHA1

      63cafe83dfbd6dfae9f5d5796e9c49faa7f26259

    • SHA256

      2f1daf41d17043e9b479e306c5d7467d62d2da473fee1d1781fbde4e415114ed

    • SHA512

      b50530ebd1def720da9090deec61e086c8cf73b3919ab3aad3cf1290fb65922655c8a0ea67e5a6ccaec5178431e667bc9d70b35925b9dd52ce29a65726402d61

    • SSDEEP

      49152:lr1c7Kvf8e9HTgXHXayMSTQ5c1ztH9rDDQvOJRg05T0Oa/rm2ho8IucxzrurVlon:+Kvfd94XayMT5sH9M0aS8o9uWyUhHy+

    • 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