Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 21:23

General

  • Target

    8fbaf88258e1acee8e1c85cb1cd92386.exe

  • Size

    183KB

  • MD5

    8fbaf88258e1acee8e1c85cb1cd92386

  • SHA1

    07375744c64ac222cb863088bb3897533ced6770

  • SHA256

    4aa74c09b33e85f7de851c4caf58f9cbec4f1ac6fdd1ed231e66e0a3335dd840

  • SHA512

    665a1e8cb3e9b2101aa6112ce46227aa0313978ddea5bad696d001bdcd70e9b0dc2c26c5a1894ca67b7e0ec16f6404ecc530cb84bc554194c3442940697efbe3

  • SSDEEP

    3072:hBPe+2TmObY97TkP7r7QYz0vaRUU4I82pdwVP8KmDnYZUpyl+9R2uhYJ5jP:veTmOb0fC/WypdwVkK8nxxhe

Malware Config

Extracted

Family

xtremerat

C2

headnoip.zapto.org

Signatures

  • Detect XtremeRAT payload 3 IoCs
  • XtremeRAT

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

  • UPX packed file 5 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fbaf88258e1acee8e1c85cb1cd92386.exe
    "C:\Users\Admin\AppData\Local\Temp\8fbaf88258e1acee8e1c85cb1cd92386.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\8fbaf88258e1acee8e1c85cb1cd92386.exe
      "C:\Users\Admin\AppData\Local\Temp\8fbaf88258e1acee8e1c85cb1cd92386.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1936
  • C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    1⤵
      PID:2384
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      1⤵
        PID:1804

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1936-8-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/1936-12-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/1936-5-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/1936-3-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/2268-1-0x0000000000330000-0x0000000000370000-memory.dmp

              Filesize

              256KB

            • memory/2268-2-0x0000000074110000-0x00000000746BB000-memory.dmp

              Filesize

              5.7MB

            • memory/2268-6-0x0000000074110000-0x00000000746BB000-memory.dmp

              Filesize

              5.7MB

            • memory/2268-0-0x0000000074110000-0x00000000746BB000-memory.dmp

              Filesize

              5.7MB

            • memory/2384-11-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/2384-9-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/2384-13-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB