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General

  • Target

    68a4619be1f3efcc95a4fac79b12544b

  • Size

    638KB

  • Sample

    240119-zymyqaeca2

  • MD5

    68a4619be1f3efcc95a4fac79b12544b

  • SHA1

    305a32c6ac58a4daec2edd4f91c7dea9f9fccd41

  • SHA256

    acd10a5e1a34f66e757669ebc7c4edf73d8a8adf6df73f7618edcc564a3c894c

  • SHA512

    74d8b1153201c3a9b80270145350cbb90fa8143c203c36bcb480270479298b885811a94c05a333e0d638d6a926e3457e8260c9e6ff9eac3e21e00226eee7922b

  • SSDEEP

    12288:BHnHA3xl3nNTR/nsy53/zGMJtvlZA/vE/x2q+luR:BHHin9R/s+37BVIl8

Malware Config

Extracted

Family

xtremerat

C2

majaaz.zapto.org

şᕸ왐majaaz.zapto.org

joeblack.zapto.org

şᕸ왐joeblack.zapto.org

Targets

    • Target

      68a4619be1f3efcc95a4fac79b12544b

    • Size

      638KB

    • MD5

      68a4619be1f3efcc95a4fac79b12544b

    • SHA1

      305a32c6ac58a4daec2edd4f91c7dea9f9fccd41

    • SHA256

      acd10a5e1a34f66e757669ebc7c4edf73d8a8adf6df73f7618edcc564a3c894c

    • SHA512

      74d8b1153201c3a9b80270145350cbb90fa8143c203c36bcb480270479298b885811a94c05a333e0d638d6a926e3457e8260c9e6ff9eac3e21e00226eee7922b

    • SSDEEP

      12288:BHnHA3xl3nNTR/nsy53/zGMJtvlZA/vE/x2q+luR:BHHin9R/s+37BVIl8

    • Detect XtremeRAT payload

    • Modifies WinLogon for persistence

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

    • Adds policy Run key to start application

    • Modifies Installed Components in the registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks