Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2022, 15:39

General

  • Target

    unins000.exe

  • Size

    3.0MB

  • MD5

    3bb36ed064c5b2b60ab8403f4ecfd7a3

  • SHA1

    329b9cc11b0ccd8dd2558f34ec5ac100bdd59430

  • SHA256

    17cfb3c45cc05f0aae13f63da802b425fdea5dd4e6b55f5867056de11d407d60

  • SHA512

    3ee47bddae95ef903735e66b7b39249c4c3a6bb4ee3023eae8f635e896177f488d0ef97a7d85e5da47639f7b4d942f861e46e1c92f8b47edeb9c739234565965

  • SSDEEP

    49152:Edx4HDQNJL0VR6SgMt+k4RiP+RmXMjiINiMq95FoHVHNTQTEjA333SK49l:xHDYsqiPRhINnq95FoHVBA333zM

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\unins000.exe
    "C:\Users\Admin\AppData\Local\Temp\unins000.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\AppData\Local\Temp\iu-14D2N.tmp\_unins.tmp
      "C:\Users\Admin\AppData\Local\Temp\iu-14D2N.tmp\_unins.tmp" /SECONDPHASE="C:\Users\Admin\AppData\Local\Temp\unins000.exe" /FIRSTPHASEWND=$E0154
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Suspicious use of FindShellTrayWindow
      PID:1900

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\iu-14D2N.tmp\_unins.tmp

          Filesize

          3.0MB

          MD5

          3bb36ed064c5b2b60ab8403f4ecfd7a3

          SHA1

          329b9cc11b0ccd8dd2558f34ec5ac100bdd59430

          SHA256

          17cfb3c45cc05f0aae13f63da802b425fdea5dd4e6b55f5867056de11d407d60

          SHA512

          3ee47bddae95ef903735e66b7b39249c4c3a6bb4ee3023eae8f635e896177f488d0ef97a7d85e5da47639f7b4d942f861e46e1c92f8b47edeb9c739234565965

        • C:\Users\Admin\AppData\Local\Temp\iu-14D2N.tmp\_unins.tmp

          Filesize

          3.0MB

          MD5

          3bb36ed064c5b2b60ab8403f4ecfd7a3

          SHA1

          329b9cc11b0ccd8dd2558f34ec5ac100bdd59430

          SHA256

          17cfb3c45cc05f0aae13f63da802b425fdea5dd4e6b55f5867056de11d407d60

          SHA512

          3ee47bddae95ef903735e66b7b39249c4c3a6bb4ee3023eae8f635e896177f488d0ef97a7d85e5da47639f7b4d942f861e46e1c92f8b47edeb9c739234565965

        • \Users\Admin\AppData\Local\Temp\iu-14D2N.tmp\_unins.tmp

          Filesize

          3.0MB

          MD5

          3bb36ed064c5b2b60ab8403f4ecfd7a3

          SHA1

          329b9cc11b0ccd8dd2558f34ec5ac100bdd59430

          SHA256

          17cfb3c45cc05f0aae13f63da802b425fdea5dd4e6b55f5867056de11d407d60

          SHA512

          3ee47bddae95ef903735e66b7b39249c4c3a6bb4ee3023eae8f635e896177f488d0ef97a7d85e5da47639f7b4d942f861e46e1c92f8b47edeb9c739234565965

        • memory/1900-60-0x0000000074331000-0x0000000074333000-memory.dmp

          Filesize

          8KB

        • memory/1980-54-0x0000000075981000-0x0000000075983000-memory.dmp

          Filesize

          8KB