Analysis

  • max time kernel
    151s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 20:47

General

  • Target

    c64528f10864d31235edaa0f0d00703011f758841e0f2a70ec86f0b2e50f30b8.exe

  • Size

    224KB

  • MD5

    0e97f4018017fa79735900f77b584e11

  • SHA1

    0dd7660095af458baabf7735fab93c2045eed0c0

  • SHA256

    c64528f10864d31235edaa0f0d00703011f758841e0f2a70ec86f0b2e50f30b8

  • SHA512

    632e2bec00cea958010a5947df48ce0447b7df7d64730b1bfbb90853837bebfd12f43c9181a7becee51579fed74361ab9d3f537923cbfa2aaf407442074ffd44

  • SSDEEP

    3072:iXyqNsMoBuVZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2+l:9qN5Rp4LnbmlrZW

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 29 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\c64528f10864d31235edaa0f0d00703011f758841e0f2a70ec86f0b2e50f30b8.exe
    "C:\Users\Admin\AppData\Local\Temp\c64528f10864d31235edaa0f0d00703011f758841e0f2a70ec86f0b2e50f30b8.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:1660
    • C:\Users\Admin\merad.exe
      "C:\Users\Admin\merad.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:2040

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\merad.exe

          Filesize

          224KB

          MD5

          25323dc81196427bf196ea808d96a72b

          SHA1

          2d60ac9f9ec13d0fbb50810b9c84995bbcc8e4ed

          SHA256

          d663421d61ebb9d7c9e9ad333c78111786b55c3bb4fa7cbb710e6bae2079606c

          SHA512

          27ff48e1462ec3281099819ad7f3aa248c62bef2e47f0f1be00fdbe831fb2233b3f89818cbf11b9cc83382df88f2b899818e215c84026b2689cbdbd0cb3f7710

        • C:\Users\Admin\merad.exe

          Filesize

          224KB

          MD5

          25323dc81196427bf196ea808d96a72b

          SHA1

          2d60ac9f9ec13d0fbb50810b9c84995bbcc8e4ed

          SHA256

          d663421d61ebb9d7c9e9ad333c78111786b55c3bb4fa7cbb710e6bae2079606c

          SHA512

          27ff48e1462ec3281099819ad7f3aa248c62bef2e47f0f1be00fdbe831fb2233b3f89818cbf11b9cc83382df88f2b899818e215c84026b2689cbdbd0cb3f7710

        • \Users\Admin\merad.exe

          Filesize

          224KB

          MD5

          25323dc81196427bf196ea808d96a72b

          SHA1

          2d60ac9f9ec13d0fbb50810b9c84995bbcc8e4ed

          SHA256

          d663421d61ebb9d7c9e9ad333c78111786b55c3bb4fa7cbb710e6bae2079606c

          SHA512

          27ff48e1462ec3281099819ad7f3aa248c62bef2e47f0f1be00fdbe831fb2233b3f89818cbf11b9cc83382df88f2b899818e215c84026b2689cbdbd0cb3f7710

        • \Users\Admin\merad.exe

          Filesize

          224KB

          MD5

          25323dc81196427bf196ea808d96a72b

          SHA1

          2d60ac9f9ec13d0fbb50810b9c84995bbcc8e4ed

          SHA256

          d663421d61ebb9d7c9e9ad333c78111786b55c3bb4fa7cbb710e6bae2079606c

          SHA512

          27ff48e1462ec3281099819ad7f3aa248c62bef2e47f0f1be00fdbe831fb2233b3f89818cbf11b9cc83382df88f2b899818e215c84026b2689cbdbd0cb3f7710

        • memory/1660-56-0x0000000075F51000-0x0000000075F53000-memory.dmp

          Filesize

          8KB