General

  • Target

    5296918f6e013d42944753fd861c70a98a2e0f4b4d7e185476a2ca4a39e1fece

  • Size

    3.4MB

  • Sample

    230328-r53zhsdc5z

  • MD5

    38c636770f828ebd326a0e48177e866b

  • SHA1

    249cbfae9bfc635172b2dda4a3b576deb5808991

  • SHA256

    5296918f6e013d42944753fd861c70a98a2e0f4b4d7e185476a2ca4a39e1fece

  • SHA512

    67b4e2ad18055f7e1d6d09fc89f54bb0a27b9d009c83ffb107bce540e75f203eb2d2bb60e9d5557b09da0e1586d5b6a75c182d2950f1bfc16e852e8bfbcd8886

  • SSDEEP

    98304:1UwOIEK84WQsykAeYYkAeYUaMImg8C0Qu2JuR21C/yIq/dhl/O4i/TksjdFwvhzq:1UwOIEK84WQsykAeYYkAeYUaMImg8C01

Malware Config

Targets

    • Target

      5296918f6e013d42944753fd861c70a98a2e0f4b4d7e185476a2ca4a39e1fece

    • Size

      3.4MB

    • MD5

      38c636770f828ebd326a0e48177e866b

    • SHA1

      249cbfae9bfc635172b2dda4a3b576deb5808991

    • SHA256

      5296918f6e013d42944753fd861c70a98a2e0f4b4d7e185476a2ca4a39e1fece

    • SHA512

      67b4e2ad18055f7e1d6d09fc89f54bb0a27b9d009c83ffb107bce540e75f203eb2d2bb60e9d5557b09da0e1586d5b6a75c182d2950f1bfc16e852e8bfbcd8886

    • SSDEEP

      98304:1UwOIEK84WQsykAeYYkAeYUaMImg8C0Qu2JuR21C/yIq/dhl/O4i/TksjdFwvhzq:1UwOIEK84WQsykAeYYkAeYUaMImg8C01

    • 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