Analysis

  • max time kernel
    147s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 12:49

General

  • Target

    257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe

  • Size

    134KB

  • MD5

    c1537ed56e98e1d94e45c12a1c3b1c22

  • SHA1

    130a399f36793ba7103b90ab8f0e8fb25521206a

  • SHA256

    257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec

  • SHA512

    fadf810b40365730f01b8740d4a8222f4bc90eb04a44b8b9b2a536e809fda39ed9c7275f3cc1769cfeb4a7e2b3f61092bc5e39bde391eef8933c3a2b4e7f9be9

  • SSDEEP

    3072:OAsj8MBX8s0oXJMqmBF36Z3xOaWgw1o2SOBgkATMa8Xna6cjTbLe:OAsBZKqmj6uyw8OBgjF83anjPS

Malware Config

Signatures

  • NetWire RAT payload 5 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

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

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe
    "C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe
      "C:\Users\Admin\AppData\Local\Temp\257725af298340e45ae63a2137b9b33e6cbc9ef4e50d17ce66d1c67ed7dd7dec.exe"
      2⤵
        PID:1204

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nso63F4.tmp\serves.dll
      Filesize

      11KB

      MD5

      9576386383f8385402e59e59f8238c97

      SHA1

      af702cdec6cb3a6e8bfb9b9cdb11db78a9035ed9

      SHA256

      daab235b0e3e44b9543635a00a1f808b34e60113fe118d6589201b30c4bd419d

      SHA512

      2e97d3512a2208fbe3e2d53962e891694f4f8fc2775f3a7298a834538d445b7e8cdb01e46aa875cce31a954c1f69dfad6de9dba859ada547f9f5d183d7a45d21

    • memory/1204-56-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1204-57-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1204-59-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1204-61-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1204-63-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1204-64-0x0000000000402196-mapping.dmp
    • memory/1204-67-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1204-68-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1424-54-0x0000000076151000-0x0000000076153000-memory.dmp
      Filesize

      8KB