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Analysis

  • max time kernel
    150s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2022, 03:01

General

  • Target

    2b116a2336c43f15d42b5bf3ec65e3e27332d48a71517564ab45e536874edaac.exe

  • Size

    260KB

  • MD5

    7483037e651bef9fbeb06a0523863d10

  • SHA1

    35974cdf6f83443b3af4e2b96f9d89f3de378734

  • SHA256

    2b116a2336c43f15d42b5bf3ec65e3e27332d48a71517564ab45e536874edaac

  • SHA512

    2246e2acfd03b864e3f1612a53bd33be39c1ab08afce3cf7464868c582754b59acc341f25bea67cd6bf9ce0bc62934444c4472b3ca87792486be97be2bf94e04

  • SSDEEP

    3072:lgfAlNxvh25n/kZoSUjMqXnpWAkpAmTSrMaIOYt/jo7LAtPhjjtZnfHFEoWBfGVc:ld4gTSrMaIl/jcLijfHFEHWzXvjT85R

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 51 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\2b116a2336c43f15d42b5bf3ec65e3e27332d48a71517564ab45e536874edaac.exe
    "C:\Users\Admin\AppData\Local\Temp\2b116a2336c43f15d42b5bf3ec65e3e27332d48a71517564ab45e536874edaac.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\kppaek.exe
      "C:\Users\Admin\kppaek.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:2036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\kppaek.exe

    Filesize

    260KB

    MD5

    2a4a5377b1817657c639595fccfece13

    SHA1

    c69fb11027be02db2e25d4b0df9e35c99fc39949

    SHA256

    32644b83d20e34e9dbcd7d3d75e728d7de5440fa548d0eff9b3036f1696a1dc4

    SHA512

    f3be4b490302a82305f5cafa922e88c2857f9407ae9fc234ba060ffe8d203ba675a011b0933cbe81d3b8b06b64cbbd07f0965a8e5c9eb9600bd2642198c22278

  • C:\Users\Admin\kppaek.exe

    Filesize

    260KB

    MD5

    2a4a5377b1817657c639595fccfece13

    SHA1

    c69fb11027be02db2e25d4b0df9e35c99fc39949

    SHA256

    32644b83d20e34e9dbcd7d3d75e728d7de5440fa548d0eff9b3036f1696a1dc4

    SHA512

    f3be4b490302a82305f5cafa922e88c2857f9407ae9fc234ba060ffe8d203ba675a011b0933cbe81d3b8b06b64cbbd07f0965a8e5c9eb9600bd2642198c22278

  • \Users\Admin\kppaek.exe

    Filesize

    260KB

    MD5

    2a4a5377b1817657c639595fccfece13

    SHA1

    c69fb11027be02db2e25d4b0df9e35c99fc39949

    SHA256

    32644b83d20e34e9dbcd7d3d75e728d7de5440fa548d0eff9b3036f1696a1dc4

    SHA512

    f3be4b490302a82305f5cafa922e88c2857f9407ae9fc234ba060ffe8d203ba675a011b0933cbe81d3b8b06b64cbbd07f0965a8e5c9eb9600bd2642198c22278

  • \Users\Admin\kppaek.exe

    Filesize

    260KB

    MD5

    2a4a5377b1817657c639595fccfece13

    SHA1

    c69fb11027be02db2e25d4b0df9e35c99fc39949

    SHA256

    32644b83d20e34e9dbcd7d3d75e728d7de5440fa548d0eff9b3036f1696a1dc4

    SHA512

    f3be4b490302a82305f5cafa922e88c2857f9407ae9fc234ba060ffe8d203ba675a011b0933cbe81d3b8b06b64cbbd07f0965a8e5c9eb9600bd2642198c22278

  • memory/1672-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB