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Analysis

  • max time kernel
    151s
  • max time network
    59s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2022, 23:57

General

  • Target

    e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755.exe

  • Size

    330KB

  • MD5

    3dde489a7a4e5189509f5b370ca16165

  • SHA1

    780ac7e67af04f7e21222cabe2840bd3793ce120

  • SHA256

    e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755

  • SHA512

    07003c615c36327cc8aea74b3e59637cf14fc8e8b56864ed5fa5f3020a6b3daf0d2c051dcb747de6072ba95f5ca2905a81ece483f0a28d996cedc774f61067ba

  • SSDEEP

    6144:TWc4OLsI/3+mQLgGof73UxEQrDaThaY9j+V71GSfyjSlDUNo7wI66XpzoeGYNjGe:Tn4OLL/a2fDUjyhAV7ASLRDqnKSe

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
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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\e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755.exe
    "C:\Users\Admin\AppData\Local\Temp\e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Users\Admin\guateo.exe
      "C:\Users\Admin\guateo.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1176

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\guateo.exe

    Filesize

    330KB

    MD5

    3dde489a7a4e5189509f5b370ca16165

    SHA1

    780ac7e67af04f7e21222cabe2840bd3793ce120

    SHA256

    e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755

    SHA512

    07003c615c36327cc8aea74b3e59637cf14fc8e8b56864ed5fa5f3020a6b3daf0d2c051dcb747de6072ba95f5ca2905a81ece483f0a28d996cedc774f61067ba

  • C:\Users\Admin\guateo.exe

    Filesize

    330KB

    MD5

    3dde489a7a4e5189509f5b370ca16165

    SHA1

    780ac7e67af04f7e21222cabe2840bd3793ce120

    SHA256

    e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755

    SHA512

    07003c615c36327cc8aea74b3e59637cf14fc8e8b56864ed5fa5f3020a6b3daf0d2c051dcb747de6072ba95f5ca2905a81ece483f0a28d996cedc774f61067ba

  • \Users\Admin\guateo.exe

    Filesize

    330KB

    MD5

    3dde489a7a4e5189509f5b370ca16165

    SHA1

    780ac7e67af04f7e21222cabe2840bd3793ce120

    SHA256

    e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755

    SHA512

    07003c615c36327cc8aea74b3e59637cf14fc8e8b56864ed5fa5f3020a6b3daf0d2c051dcb747de6072ba95f5ca2905a81ece483f0a28d996cedc774f61067ba

  • \Users\Admin\guateo.exe

    Filesize

    330KB

    MD5

    3dde489a7a4e5189509f5b370ca16165

    SHA1

    780ac7e67af04f7e21222cabe2840bd3793ce120

    SHA256

    e6143f5a9dfcae47b8cb10db7746c6bdc7653a431939088954f1df9c0f548755

    SHA512

    07003c615c36327cc8aea74b3e59637cf14fc8e8b56864ed5fa5f3020a6b3daf0d2c051dcb747de6072ba95f5ca2905a81ece483f0a28d996cedc774f61067ba

  • memory/828-67-0x0000000003700000-0x0000000003755000-memory.dmp

    Filesize

    340KB

  • memory/828-57-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

    Filesize

    8KB

  • memory/828-65-0x0000000074781000-0x0000000074783000-memory.dmp

    Filesize

    8KB

  • memory/828-66-0x0000000003700000-0x0000000003755000-memory.dmp

    Filesize

    340KB

  • memory/828-56-0x0000000000690000-0x00000000006E5000-memory.dmp

    Filesize

    340KB

  • memory/828-70-0x0000000000690000-0x00000000006E5000-memory.dmp

    Filesize

    340KB

  • memory/1176-68-0x0000000000690000-0x00000000006E5000-memory.dmp

    Filesize

    340KB

  • memory/1176-71-0x0000000000690000-0x00000000006E5000-memory.dmp

    Filesize

    340KB