Analysis

  • max time kernel
    153s
  • max time network
    71s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 02:38

General

  • Target

    f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe

  • Size

    304KB

  • MD5

    454d43cd6b87b1506d3ce62357a5a4c0

  • SHA1

    0bc54edc739bd6350180a8fe6ac94a743a1eb401

  • SHA256

    f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961

  • SHA512

    2013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953

  • SSDEEP

    3072:5aPGzZRFjFBbVJsnCRcC3xo8ozYH/LSsB4pAnNnfwo7A3JkYQCASCPepFq:5aPSZLfsnHQIz9AnNnoOrCAfPepF

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\f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe
    "C:\Users\Admin\AppData\Local\Temp\f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.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:1764
    • C:\Users\Admin\wuisad.exe
      "C:\Users\Admin\wuisad.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:2020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\wuisad.exe

    Filesize

    304KB

    MD5

    454d43cd6b87b1506d3ce62357a5a4c0

    SHA1

    0bc54edc739bd6350180a8fe6ac94a743a1eb401

    SHA256

    f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961

    SHA512

    2013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953

  • C:\Users\Admin\wuisad.exe

    Filesize

    304KB

    MD5

    454d43cd6b87b1506d3ce62357a5a4c0

    SHA1

    0bc54edc739bd6350180a8fe6ac94a743a1eb401

    SHA256

    f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961

    SHA512

    2013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953

  • \Users\Admin\wuisad.exe

    Filesize

    304KB

    MD5

    454d43cd6b87b1506d3ce62357a5a4c0

    SHA1

    0bc54edc739bd6350180a8fe6ac94a743a1eb401

    SHA256

    f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961

    SHA512

    2013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953

  • \Users\Admin\wuisad.exe

    Filesize

    304KB

    MD5

    454d43cd6b87b1506d3ce62357a5a4c0

    SHA1

    0bc54edc739bd6350180a8fe6ac94a743a1eb401

    SHA256

    f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961

    SHA512

    2013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953

  • memory/1764-56-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

    Filesize

    8KB

  • memory/1764-65-0x00000000740A1000-0x00000000740A3000-memory.dmp

    Filesize

    8KB