General

  • Target

    b625fb6849eed0feea2c9d5032600f75a524e2f20d023b7ba5da7b4fe1ab9ce9

  • Size

    3.4MB

  • Sample

    230328-gtrr1aba6x

  • MD5

    63e0898dbf0716369acd4395fe105646

  • SHA1

    62324fe2edac77742878e2b5dc875ad1bfefd015

  • SHA256

    b625fb6849eed0feea2c9d5032600f75a524e2f20d023b7ba5da7b4fe1ab9ce9

  • SHA512

    eaa497b514b0e2520c93a85fe4f51b34d55fb3bc629cd1286e6022b379647b16eb703f550e79d814b21bb4dac50602ba445834802aa76dd35bf8b803c81a1dd2

  • SSDEEP

    98304:AJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRV6:A8D/yIqlhlW4i/QsnwZzjMSeV6

Malware Config

Targets

    • Target

      b625fb6849eed0feea2c9d5032600f75a524e2f20d023b7ba5da7b4fe1ab9ce9

    • Size

      3.4MB

    • MD5

      63e0898dbf0716369acd4395fe105646

    • SHA1

      62324fe2edac77742878e2b5dc875ad1bfefd015

    • SHA256

      b625fb6849eed0feea2c9d5032600f75a524e2f20d023b7ba5da7b4fe1ab9ce9

    • SHA512

      eaa497b514b0e2520c93a85fe4f51b34d55fb3bc629cd1286e6022b379647b16eb703f550e79d814b21bb4dac50602ba445834802aa76dd35bf8b803c81a1dd2

    • SSDEEP

      98304:AJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRV6:A8D/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