General

  • Target

    1bfb354637417a53201e4af621cc34bf2113b0bce97d70dac9cf68a2940da6c8

  • Size

    1.8MB

  • Sample

    220925-f5nztaddf4

  • MD5

    e4df8d6ecb435dc88efd16702e7efe88

  • SHA1

    a52bee4e82ed627c5d18b7afcf7000c47f6a6224

  • SHA256

    1bfb354637417a53201e4af621cc34bf2113b0bce97d70dac9cf68a2940da6c8

  • SHA512

    42b6bbaf2e764f5222fb20a5cee1aeb1862f180312bfa243c9b41ae3d32b02265adbbad95146964700af522905aa886414313144671974d7cc5afd8fecb8f9eb

  • SSDEEP

    49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig

Score
9/10

Malware Config

Targets

    • Target

      1bfb354637417a53201e4af621cc34bf2113b0bce97d70dac9cf68a2940da6c8

    • Size

      1.8MB

    • MD5

      e4df8d6ecb435dc88efd16702e7efe88

    • SHA1

      a52bee4e82ed627c5d18b7afcf7000c47f6a6224

    • SHA256

      1bfb354637417a53201e4af621cc34bf2113b0bce97d70dac9cf68a2940da6c8

    • SHA512

      42b6bbaf2e764f5222fb20a5cee1aeb1862f180312bfa243c9b41ae3d32b02265adbbad95146964700af522905aa886414313144671974d7cc5afd8fecb8f9eb

    • SSDEEP

      49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig

    Score
    9/10
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

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

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks