Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-11-2020 12:21

General

  • Target

    95aa92ec032cf7b52020f9174c77e66d.exe

  • Size

    1.8MB

  • MD5

    95aa92ec032cf7b52020f9174c77e66d

  • SHA1

    b4b15beb08b310b451ccd8374f94fe817b2c28e5

  • SHA256

    e4324629a9700691321d6212152a1c2080bc3422bda11c8173633744c753a122

  • SHA512

    ca8e6e16375853698bdddf482c6937b99e6262baa7d4334bb9b2fe100d5a5409bd726a421a56d5dee764a8da0509a8a8421d6f3603d8a8d228a64eff400b3dab

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

Test

C2

79.134.225.47:4576

79.134.225.47:7583

Mutex

W6H110R7-B3E0-O883-U8A8-D2B5N7M7S4B1

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
  • Deletes itself 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe
    "C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe
      "C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe"
      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:3264
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\95aa92ec032cf7b52020f9174c77e66d.exe
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3100
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          4⤵
          • Deletes itself
          PID:4196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3100-16-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/3100-15-0x0000000000401364-mapping.dmp

  • memory/3100-14-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/3264-9-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/3264-11-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/3264-10-0x00000000004010B8-mapping.dmp

  • memory/4196-19-0x0000000000000000-mapping.dmp

  • memory/4760-4-0x00000000051A0000-0x00000000051A1000-memory.dmp

    Filesize

    4KB

  • memory/4760-8-0x0000000007000000-0x0000000007016000-memory.dmp

    Filesize

    88KB

  • memory/4760-7-0x0000000006D90000-0x0000000006D91000-memory.dmp

    Filesize

    4KB

  • memory/4760-6-0x0000000005330000-0x000000000538A000-memory.dmp

    Filesize

    360KB

  • memory/4760-5-0x0000000005240000-0x0000000005241000-memory.dmp

    Filesize

    4KB

  • memory/4760-0-0x00000000732D0000-0x00000000739BE000-memory.dmp

    Filesize

    6.9MB

  • memory/4760-3-0x00000000056A0000-0x00000000056A1000-memory.dmp

    Filesize

    4KB

  • memory/4760-1-0x00000000007A0000-0x00000000007A1000-memory.dmp

    Filesize

    4KB