Analysis

  • max time kernel
    143s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    10-11-2021 07:31

General

  • Target

    IMG-SMH-2021-1011-Fiyat Talebi 100967-TRK.pdf(56KB).exe

  • Size

    436KB

  • MD5

    b3b9a674a9f1a42a359d26bc0ca832a7

  • SHA1

    33ea6cd06f21474da8bd6dd9290765f3a33518dc

  • SHA256

    18bea0cb94e7c9213588f2e8b500d66f4716c0e6ae1b68ec62ba28c64c627ca5

  • SHA512

    88bf57a14e255e058009c762ca357e7f7c11f3e553184b94f7908d82a7a1bcd069957b3ff9c7229133f845a7b1bcde53caacadeeb19a5f0df390f386606424c7

Malware Config

Signatures

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

    XpertRAT is a remote access trojan with various capabilities.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\IMG-SMH-2021-1011-Fiyat Talebi 100967-TRK.pdf(56KB).exe
    "C:\Users\Admin\AppData\Local\Temp\IMG-SMH-2021-1011-Fiyat Talebi 100967-TRK.pdf(56KB).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\IMG-SMH-2021-1011-Fiyat Talebi 100967-TRK.pdf(56KB).exe
      "C:\Users\Admin\AppData\Local\Temp\IMG-SMH-2021-1011-Fiyat Talebi 100967-TRK.pdf(56KB).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:892
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\IMG-SMH-2021-1011-Fiyat Talebi 100967-TRK.pdf(56KB).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:2564
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          4⤵
          • Deletes itself
          PID:1536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/892-128-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/892-134-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/892-131-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

    Filesize

    40KB

  • memory/892-130-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

    Filesize

    24KB

  • memory/892-129-0x00000000004010B8-mapping.dmp

  • memory/1536-133-0x0000000000000000-mapping.dmp

  • memory/2564-132-0x0000000000401364-mapping.dmp

  • memory/2716-123-0x0000000005710000-0x0000000005717000-memory.dmp

    Filesize

    28KB

  • memory/2716-127-0x0000000008B70000-0x0000000008B71000-memory.dmp

    Filesize

    4KB

  • memory/2716-126-0x0000000008AB0000-0x0000000008AF8000-memory.dmp

    Filesize

    288KB

  • memory/2716-125-0x00000000089C0000-0x00000000089C1000-memory.dmp

    Filesize

    4KB

  • memory/2716-124-0x0000000005380000-0x0000000005412000-memory.dmp

    Filesize

    584KB

  • memory/2716-118-0x0000000000B80000-0x0000000000B81000-memory.dmp

    Filesize

    4KB

  • memory/2716-122-0x0000000005430000-0x0000000005431000-memory.dmp

    Filesize

    4KB

  • memory/2716-121-0x00000000054A0000-0x00000000054A1000-memory.dmp

    Filesize

    4KB

  • memory/2716-120-0x00000000059A0000-0x00000000059A1000-memory.dmp

    Filesize

    4KB