Analysis

  • max time kernel
    147s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-02-2024 23:05

General

  • Target

    a79476d5858ad853bdc29614261fb19f.exe

  • Size

    170KB

  • MD5

    a79476d5858ad853bdc29614261fb19f

  • SHA1

    f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a

  • SHA256

    14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa

  • SHA512

    9cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148

  • SSDEEP

    3072:zKEKmrDUskUVIKkAX/0L0rZmm1sJmvxHfi/R1+aJe1mgawzxsBub861jIHxownLj:zKE5IIL7JnYRUTV5nLrQLulIGsZ

Malware Config

Signatures

  • Detect XtremeRAT payload 8 IoCs
  • XtremeRAT

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

  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe
    "C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe
      "C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Modifies Installed Components in the registry
        PID:2536
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\microsoft\xtreme.exe

    Filesize

    170KB

    MD5

    a79476d5858ad853bdc29614261fb19f

    SHA1

    f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a

    SHA256

    14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa

    SHA512

    9cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148

  • memory/2276-7-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2276-1-0x0000000000220000-0x000000000022D000-memory.dmp

    Filesize

    52KB

  • memory/2276-0-0x0000000000220000-0x000000000022D000-memory.dmp

    Filesize

    52KB

  • memory/2340-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2340-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2340-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2340-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2340-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2340-2-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2340-20-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2536-15-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2604-19-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2604-22-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB