Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 10:28

General

  • Target

    3c52f11c85d435cd9524e69108e2c0aa.exe

  • Size

    204KB

  • MD5

    3c52f11c85d435cd9524e69108e2c0aa

  • SHA1

    a6ae49b54f17477341438226651b140db0224ddd

  • SHA256

    3f09d8d557df70884689de44ca9ce291d8d037e0136e2be3ea7a236cd52d339f

  • SHA512

    0eccb09d52f738834eb0236b2cd0ea4a417d083fccbc694d9188643955ff0ce40387ca7a25af17130fcc15d1e5ab407ddf9a33d9ef8317d9c1dd22628c83998d

  • SSDEEP

    3072:mmqW8e0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWcx:B/h4QxL7B9W0c1RCzR/fSmlX

Score
10/10

Malware Config

Signatures

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

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c52f11c85d435cd9524e69108e2c0aa.exe
    "C:\Users\Admin\AppData\Local\Temp\3c52f11c85d435cd9524e69108e2c0aa.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Users\Admin\saaseut.exe
      "C:\Users\Admin\saaseut.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:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\saaseut.exe

    Filesize

    204KB

    MD5

    9915bab905e98517521c04a639fcf246

    SHA1

    f8b571e3d8a8860f606528f823c8ff7dc7dc4512

    SHA256

    4afb9f60b42c97bab936fbb3a611d5e76e42f739a9b1db5faad70446b090e279

    SHA512

    c7662cac88c3bcbe51264aaa940ce689e146e1d2a3e08783c5cb486d142cb415f02ad559222fec5d517abf54e1a9cf27bf655ab9f9dca7fb4c551587b1a5cb63