Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    17-08-2020 18:55

General

  • Target

    Specification 788919754.pdf img ind.exe

  • Size

    411KB

  • MD5

    b93e8fe38d0df20ba517b9d531660a4e

  • SHA1

    ebc70668346f27b9c31759b335c3f6cb619c71b5

  • SHA256

    293bf5eeec6d5d30ee3b3d26f73d6cb81f4e080a449774fc8d2c3a724454f521

  • SHA512

    fa07022ab0d2d48066017e8283a9adab2fa2f8aebac2113ec451bd5b339639d0771fd975a92072bdabb24c24f4f40c25707aa9ec3d906104db9c59ba6ddf675d

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

special X

C2

sandshoe.myfirewall.org:4000

79.134.225.85:4000

Mutex

F4S7P6J0-V116-K8H5-A6F1-U1L8V8A4B6R5

Signatures

  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • XpertRAT Core Payload 3 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.exe
    "C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.exe
      "{path}"
      2⤵
        PID:3928
      • C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.exe
        "{path}"
        2⤵
        • Windows security modification
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:4016
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Users\Admin\AppData\Local\Temp\Specification 788919754.pdf img ind.exe
          3⤵
          • Adds policy Run key to start application
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1552

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1552-15-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/1552-17-0x0000000000400000-0x0000000000443000-memory.dmp

      Filesize

      268KB

    • memory/1552-16-0x0000000000401364-mapping.dmp

    • memory/3676-7-0x0000000007850000-0x0000000007854000-memory.dmp

      Filesize

      16KB

    • memory/3676-5-0x0000000007840000-0x0000000007841000-memory.dmp

      Filesize

      4KB

    • memory/3676-6-0x0000000007B30000-0x0000000007B31000-memory.dmp

      Filesize

      4KB

    • memory/3676-0-0x0000000073BA0000-0x000000007428E000-memory.dmp

      Filesize

      6.9MB

    • memory/3676-8-0x0000000008400000-0x000000000844D000-memory.dmp

      Filesize

      308KB

    • memory/3676-9-0x0000000002C40000-0x0000000002C6C000-memory.dmp

      Filesize

      176KB

    • memory/3676-4-0x0000000007880000-0x0000000007881000-memory.dmp

      Filesize

      4KB

    • memory/3676-3-0x0000000007CA0000-0x0000000007CA1000-memory.dmp

      Filesize

      4KB

    • memory/3676-1-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

      Filesize

      4KB

    • memory/4016-10-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/4016-11-0x00000000004010B8-mapping.dmp

    • memory/4016-12-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB