General

  • Target

    11.exe

  • Size

    7.0MB

  • Sample

    220925-n14tgafgdr

  • MD5

    b76c48fd62b955eea124b76e3e1eddf0

  • SHA1

    40ac78ddd36295c7abf81e9e1405f2e75953ab17

  • SHA256

    2a52bd1672e345f12e0175bcaec0f9c520c8523d74e576c222a89b7b258f64f2

  • SHA512

    9e5b59f61a2a1812923110cedd3fe85c9f0e8332450f89a625b525786d0705e8e5f90067c38f8ed73ef1eb446871dbeda8906edba8cb0e4d1893577cf6a85209

  • SSDEEP

    196608:Zff6pVbPXSxEieA3Rry41AjbZLKjewctp28CWcDdod0Xi6P:VypUxRrP1KIePp2jWcy0XiE

Malware Config

Targets

    • Target

      11.exe

    • Size

      7.0MB

    • MD5

      b76c48fd62b955eea124b76e3e1eddf0

    • SHA1

      40ac78ddd36295c7abf81e9e1405f2e75953ab17

    • SHA256

      2a52bd1672e345f12e0175bcaec0f9c520c8523d74e576c222a89b7b258f64f2

    • SHA512

      9e5b59f61a2a1812923110cedd3fe85c9f0e8332450f89a625b525786d0705e8e5f90067c38f8ed73ef1eb446871dbeda8906edba8cb0e4d1893577cf6a85209

    • SSDEEP

      196608:Zff6pVbPXSxEieA3Rry41AjbZLKjewctp28CWcDdod0Xi6P:VypUxRrP1KIePp2jWcy0XiE

    • 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

    • 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.

    • Loads dropped DLL

    • 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

1
T1497

Impair Defenses

1
T1562

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Impact

Service Stop

1
T1489

Tasks