General

  • Target

    c9d7f95adcd4195193fe82baad69c5216056d457f236a042a684bd660f163f55

  • Size

    3.4MB

  • Sample

    230328-htx5fshe39

  • MD5

    2356d35bf9af11b8fd5fb01d4dc8dc95

  • SHA1

    b43b5551b8bed0b40ebe7c30aabc769eea6ee473

  • SHA256

    c9d7f95adcd4195193fe82baad69c5216056d457f236a042a684bd660f163f55

  • SHA512

    007ef62d3cc7a0faa514d9773896019984cf1e9dc65286597583c8350b857e78078028cc71bc7b6b9e0ecb10e7c05ae72b6d8094b0e506312a215c731ac4badc

  • SSDEEP

    98304:CJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRV6:C8D/yIqlhlW4i/QsnwZzjMSeV6

Malware Config

Targets

    • Target

      c9d7f95adcd4195193fe82baad69c5216056d457f236a042a684bd660f163f55

    • Size

      3.4MB

    • MD5

      2356d35bf9af11b8fd5fb01d4dc8dc95

    • SHA1

      b43b5551b8bed0b40ebe7c30aabc769eea6ee473

    • SHA256

      c9d7f95adcd4195193fe82baad69c5216056d457f236a042a684bd660f163f55

    • SHA512

      007ef62d3cc7a0faa514d9773896019984cf1e9dc65286597583c8350b857e78078028cc71bc7b6b9e0ecb10e7c05ae72b6d8094b0e506312a215c731ac4badc

    • SSDEEP

      98304:CJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRV6:C8D/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