General

  • Target

    237ce1bb5b0a84d9de15f0d06194ed04057e34ec6b7d453a47c569b0a20f5482

  • Size

    6.1MB

  • Sample

    240526-lz6wbsed6t

  • MD5

    aee9725da9a22f8e2fb78b69fb4d8aeb

  • SHA1

    5f68ceeccb5f84d062f9bae979ada29c3998510f

  • SHA256

    237ce1bb5b0a84d9de15f0d06194ed04057e34ec6b7d453a47c569b0a20f5482

  • SHA512

    b834347e3b4b14e741f35d31bf8e95a76b3f15d258c3ad2cd09cf06caf16dc44e850b0e27174d5d7967e170db75da9e3058725e8db6fd28eb6f5c96f948e69af

  • SSDEEP

    98304:J2CfXCqBWS0egtVNreoW2X6x+ybTCkpS16XZTxPhaeV3K0PHb1Xjj9Ety:ECfXCfSGtVNr3vqPTPpSATGm3P1zjz

Malware Config

Targets

    • Target

      237ce1bb5b0a84d9de15f0d06194ed04057e34ec6b7d453a47c569b0a20f5482

    • Size

      6.1MB

    • MD5

      aee9725da9a22f8e2fb78b69fb4d8aeb

    • SHA1

      5f68ceeccb5f84d062f9bae979ada29c3998510f

    • SHA256

      237ce1bb5b0a84d9de15f0d06194ed04057e34ec6b7d453a47c569b0a20f5482

    • SHA512

      b834347e3b4b14e741f35d31bf8e95a76b3f15d258c3ad2cd09cf06caf16dc44e850b0e27174d5d7967e170db75da9e3058725e8db6fd28eb6f5c96f948e69af

    • SSDEEP

      98304:J2CfXCqBWS0egtVNreoW2X6x+ybTCkpS16XZTxPhaeV3K0PHb1Xjj9Ety:ECfXCfSGtVNr3vqPTPpSATGm3P1zjz

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Tasks