General

  • Target

    eed690676deae97c23ed3f902c5acf949fd4cf87b0a1bf7c654e76ca061fcf54

  • Size

    3.4MB

  • Sample

    230328-atnxsaga63

  • MD5

    a71ee4305fbdc00eb7f0a729ace1fcca

  • SHA1

    3c289475766e60a261a2869480fc435a741f6eeb

  • SHA256

    eed690676deae97c23ed3f902c5acf949fd4cf87b0a1bf7c654e76ca061fcf54

  • SHA512

    eef66459135e8775c023e0d2f169b0249049e75fcb83c3d5c8ca1b61e5ec37cee19d429a38497e0da91ac2ab29843f6ef6dc60ad0bcd6a68a1997920e95b0656

  • SSDEEP

    98304:VJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRVq:V8D/yIqlhlW4i/QsnwZzjMSeVq

Malware Config

Targets

    • Target

      eed690676deae97c23ed3f902c5acf949fd4cf87b0a1bf7c654e76ca061fcf54

    • Size

      3.4MB

    • MD5

      a71ee4305fbdc00eb7f0a729ace1fcca

    • SHA1

      3c289475766e60a261a2869480fc435a741f6eeb

    • SHA256

      eed690676deae97c23ed3f902c5acf949fd4cf87b0a1bf7c654e76ca061fcf54

    • SHA512

      eef66459135e8775c023e0d2f169b0249049e75fcb83c3d5c8ca1b61e5ec37cee19d429a38497e0da91ac2ab29843f6ef6dc60ad0bcd6a68a1997920e95b0656

    • SSDEEP

      98304:VJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRVq:V8D/yIqlhlW4i/QsnwZzjMSeVq

    • 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