General

  • Target

    6306fa49c774ee6bcad7fd51926ac1755404ffef9245ffd37447f7211ab70ca8

  • Size

    345KB

  • Sample

    221005-17vklafgf2

  • MD5

    376f6463917034d82a93d097be810046

  • SHA1

    2038e0242ecd85b7085f8a892e502b3473ed5b6a

  • SHA256

    6306fa49c774ee6bcad7fd51926ac1755404ffef9245ffd37447f7211ab70ca8

  • SHA512

    f0f957c566b787356abde242caa7eb841944779c1fb40a3af5c55d95d6eb17c18d960f44fbdf790972292856ac73d725f6929ad999a979a39cdee8cf95179752

  • SSDEEP

    6144:t6S1ZVlum8KDJUOER/YMF8yC4ohOgjZquSxQ41uciwpflJnsw:lPmcUOI6yC4o1j0f5flJn

Malware Config

Targets

    • Target

      6306fa49c774ee6bcad7fd51926ac1755404ffef9245ffd37447f7211ab70ca8

    • Size

      345KB

    • MD5

      376f6463917034d82a93d097be810046

    • SHA1

      2038e0242ecd85b7085f8a892e502b3473ed5b6a

    • SHA256

      6306fa49c774ee6bcad7fd51926ac1755404ffef9245ffd37447f7211ab70ca8

    • SHA512

      f0f957c566b787356abde242caa7eb841944779c1fb40a3af5c55d95d6eb17c18d960f44fbdf790972292856ac73d725f6929ad999a979a39cdee8cf95179752

    • SSDEEP

      6144:t6S1ZVlum8KDJUOER/YMF8yC4ohOgjZquSxQ41uciwpflJnsw:lPmcUOI6yC4o1j0f5flJn

    • Modifies security service

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Stops running service(s)

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

1
T1562

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Impact

Service Stop

1
T1489

Tasks