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Analysis

  • max time kernel
    187s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 23:44

General

  • Target

    d24d85b07338f42e59da1b8a03eed81056ce4f68c460c71bd4465df9c11a7d29.exe

  • Size

    132KB

  • MD5

    fc4daf2d5b9c139706cf3e54f44c013a

  • SHA1

    95ed9cec2908a5871a52db68bb49ecdb06ad2677

  • SHA256

    d24d85b07338f42e59da1b8a03eed81056ce4f68c460c71bd4465df9c11a7d29

  • SHA512

    7c7a646f0c46375548ddffde8053c4c48eda2aa0c03ff9fd002a0f34265785c1166cbe3d9f09b424acfedb7f44efe794c6e00a33fabca76a30da8c4f2b1e211f

  • SSDEEP

    1536:qDyYqKEyFqQpfEZYbvCPl+ogEQNkq0ZhEK4YWQb8wVHGN7ZZ7OMiCXxv1oFP:qDybyIQlaYmPkogEZqPkbve7p98P

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 53 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\d24d85b07338f42e59da1b8a03eed81056ce4f68c460c71bd4465df9c11a7d29.exe
    "C:\Users\Admin\AppData\Local\Temp\d24d85b07338f42e59da1b8a03eed81056ce4f68c460c71bd4465df9c11a7d29.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:1748
    • C:\Users\Admin\naapuo.exe
      "C:\Users\Admin\naapuo.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:2012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\naapuo.exe

    Filesize

    132KB

    MD5

    8efbc4f1c698e28457f49c638569663a

    SHA1

    1b50f46bf5bfcfed2e7465757c6bd920749227d0

    SHA256

    ec8d7094a778aca8089d25ae1c33f007c74a393038b780049fb8637049948d7b

    SHA512

    0ca3686fb8e54e1e833e13795d6eb8b492e6285eec764eade6e97a2323809fdc326d6ea996c5e90c126b80186079f7ab70990e3617a9cf8caf2286eebdbfb7bf

  • C:\Users\Admin\naapuo.exe

    Filesize

    132KB

    MD5

    8efbc4f1c698e28457f49c638569663a

    SHA1

    1b50f46bf5bfcfed2e7465757c6bd920749227d0

    SHA256

    ec8d7094a778aca8089d25ae1c33f007c74a393038b780049fb8637049948d7b

    SHA512

    0ca3686fb8e54e1e833e13795d6eb8b492e6285eec764eade6e97a2323809fdc326d6ea996c5e90c126b80186079f7ab70990e3617a9cf8caf2286eebdbfb7bf

  • \Users\Admin\naapuo.exe

    Filesize

    132KB

    MD5

    8efbc4f1c698e28457f49c638569663a

    SHA1

    1b50f46bf5bfcfed2e7465757c6bd920749227d0

    SHA256

    ec8d7094a778aca8089d25ae1c33f007c74a393038b780049fb8637049948d7b

    SHA512

    0ca3686fb8e54e1e833e13795d6eb8b492e6285eec764eade6e97a2323809fdc326d6ea996c5e90c126b80186079f7ab70990e3617a9cf8caf2286eebdbfb7bf

  • \Users\Admin\naapuo.exe

    Filesize

    132KB

    MD5

    8efbc4f1c698e28457f49c638569663a

    SHA1

    1b50f46bf5bfcfed2e7465757c6bd920749227d0

    SHA256

    ec8d7094a778aca8089d25ae1c33f007c74a393038b780049fb8637049948d7b

    SHA512

    0ca3686fb8e54e1e833e13795d6eb8b492e6285eec764eade6e97a2323809fdc326d6ea996c5e90c126b80186079f7ab70990e3617a9cf8caf2286eebdbfb7bf

  • memory/1748-56-0x0000000076091000-0x0000000076093000-memory.dmp

    Filesize

    8KB