Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 19:05

General

  • Target

    da7329b521e99d7e1c53740954594c419760dd7e25bc99e65a5d16ced484460e.exe

  • Size

    120KB

  • MD5

    86de12014cf0c889493a3de2a62bf9dd

  • SHA1

    4accdde3b9a6a7fc2eb9940cdd5f06269df292aa

  • SHA256

    da7329b521e99d7e1c53740954594c419760dd7e25bc99e65a5d16ced484460e

  • SHA512

    d490889013e124b0d4a995ec9e28bb708ecde861c6cde611d57704fb7c94a490ad41c8340707aca390220fa1d509a9e87bd4a0d2f72175e566576655204a8694

  • SSDEEP

    768:zrW96GT10cOXYXVLc+yiqZ1R6/pDaWGNMMMNMaF7//mkSKacEZxbjARZEJoZtX:nWZycwyNcbtZ107//mkOZxbURZEJor

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da7329b521e99d7e1c53740954594c419760dd7e25bc99e65a5d16ced484460e.exe
    "C:\Users\Admin\AppData\Local\Temp\da7329b521e99d7e1c53740954594c419760dd7e25bc99e65a5d16ced484460e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\jeuasef.exe
      "C:\Users\Admin\jeuasef.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
      • Suspicious use of WriteProcessMemory
      PID:4676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jeuasef.exe

    Filesize

    120KB

    MD5

    299597941c97af91ae7e269c4e854aa9

    SHA1

    9bff5c94833f60a7c8730b69bb54211ccc63124a

    SHA256

    3b64a4b4a9bd9203f449a2755489ddea2ff76c96fc7b0983c00286be9343cc47

    SHA512

    9c70bbf255b2e45afca87090706556384a53feacbc85471cbf112b1e3ee71feb096c16645a1b4f8d32725ff8b4f2d38ffab3616cff213bf5f45e09b6b41faf45

  • C:\Users\Admin\jeuasef.exe

    Filesize

    120KB

    MD5

    299597941c97af91ae7e269c4e854aa9

    SHA1

    9bff5c94833f60a7c8730b69bb54211ccc63124a

    SHA256

    3b64a4b4a9bd9203f449a2755489ddea2ff76c96fc7b0983c00286be9343cc47

    SHA512

    9c70bbf255b2e45afca87090706556384a53feacbc85471cbf112b1e3ee71feb096c16645a1b4f8d32725ff8b4f2d38ffab3616cff213bf5f45e09b6b41faf45