Analysis

  • max time kernel
    152s
  • max time network
    66s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 22:33

General

  • Target

    581c3ff98e057911dd93160b0463f2df708bb78f7a46cd7177ccc7c557e996e2.exe

  • Size

    248KB

  • MD5

    4f79437f9c6df0b3bd8f204e22db1f48

  • SHA1

    65b4365750e5a78ea72bff59d571013b0b7c880f

  • SHA256

    581c3ff98e057911dd93160b0463f2df708bb78f7a46cd7177ccc7c557e996e2

  • SHA512

    1413bb7b051f57197dfb904511aba6bea1e48014637c3e5b442198c6bfe7c02d3ef10d8ffb6d7f3f66972886e4f4e3dc8f443ba8f2b50525c03b5bd081ca5bf5

  • SSDEEP

    6144:TVdVQUyyUf9dgAVRKlqBiErIsKnPmb7/jWal+FfAje+5/RxoOsutOSD/uP39RWyJ:TVmyUf9DRKlqgErIsKnPmb7/jWa1e+5T

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\581c3ff98e057911dd93160b0463f2df708bb78f7a46cd7177ccc7c557e996e2.exe
    "C:\Users\Admin\AppData\Local\Temp\581c3ff98e057911dd93160b0463f2df708bb78f7a46cd7177ccc7c557e996e2.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\xuuuwuc.exe
      "C:\Users\Admin\xuuuwuc.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\xuuuwuc.exe

    Filesize

    248KB

    MD5

    fdeafbf3b9d61de8ac3a2da1e8b1c1fd

    SHA1

    7f908a594cdca0338aa8a120f3527bedc1a03995

    SHA256

    43b089e3af376b180478f6bbb1bfd6902daa5fbc12f8c7b0faf8041e5c62c6d2

    SHA512

    a3f76175656537a35c6c69f990cd14bdc21c27391e4a6fea04bb99071bd338d4cb83e5e5e4821dcf1c170ced65ce28659c427a335e383689922eb01de2b39305

  • C:\Users\Admin\xuuuwuc.exe

    Filesize

    248KB

    MD5

    fdeafbf3b9d61de8ac3a2da1e8b1c1fd

    SHA1

    7f908a594cdca0338aa8a120f3527bedc1a03995

    SHA256

    43b089e3af376b180478f6bbb1bfd6902daa5fbc12f8c7b0faf8041e5c62c6d2

    SHA512

    a3f76175656537a35c6c69f990cd14bdc21c27391e4a6fea04bb99071bd338d4cb83e5e5e4821dcf1c170ced65ce28659c427a335e383689922eb01de2b39305

  • \Users\Admin\xuuuwuc.exe

    Filesize

    248KB

    MD5

    fdeafbf3b9d61de8ac3a2da1e8b1c1fd

    SHA1

    7f908a594cdca0338aa8a120f3527bedc1a03995

    SHA256

    43b089e3af376b180478f6bbb1bfd6902daa5fbc12f8c7b0faf8041e5c62c6d2

    SHA512

    a3f76175656537a35c6c69f990cd14bdc21c27391e4a6fea04bb99071bd338d4cb83e5e5e4821dcf1c170ced65ce28659c427a335e383689922eb01de2b39305

  • \Users\Admin\xuuuwuc.exe

    Filesize

    248KB

    MD5

    fdeafbf3b9d61de8ac3a2da1e8b1c1fd

    SHA1

    7f908a594cdca0338aa8a120f3527bedc1a03995

    SHA256

    43b089e3af376b180478f6bbb1bfd6902daa5fbc12f8c7b0faf8041e5c62c6d2

    SHA512

    a3f76175656537a35c6c69f990cd14bdc21c27391e4a6fea04bb99071bd338d4cb83e5e5e4821dcf1c170ced65ce28659c427a335e383689922eb01de2b39305

  • memory/1880-56-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

    Filesize

    8KB