Analysis

  • max time kernel
    174s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 11:31

General

  • Target

    99a320888c782623542895a961faa43f5f4070849cfe84f7e885bd6b61e7ed07.exe

  • Size

    253KB

  • MD5

    7eb77d2ef32d7e5bb52882931a7fe460

  • SHA1

    334a7620bebbf7d7b9f7febb1077ff26b9c33783

  • SHA256

    99a320888c782623542895a961faa43f5f4070849cfe84f7e885bd6b61e7ed07

  • SHA512

    75b577d8e9a88303c614208727da548acef10c3a02e1693f388321eca335276a4f383e60f718d243e2cdbc4652d499559f27b6b7b540392007706f5656a4aef1

  • SSDEEP

    3072:AW7RbmjSAr0JAK7W+6mbEQSQ9j0qOqnSXQd+QcWUNoZ75RWetn:Aga+Ar0J3RSQ9j0OnSXQd+tWUNi9Rt

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 6 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99a320888c782623542895a961faa43f5f4070849cfe84f7e885bd6b61e7ed07.exe
    "C:\Users\Admin\AppData\Local\Temp\99a320888c782623542895a961faa43f5f4070849cfe84f7e885bd6b61e7ed07.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Windows\Ffucaa.exe
      C:\Windows\Ffucaa.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      PID:5088

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\Ffucaa.exe

    Filesize

    253KB

    MD5

    7eb77d2ef32d7e5bb52882931a7fe460

    SHA1

    334a7620bebbf7d7b9f7febb1077ff26b9c33783

    SHA256

    99a320888c782623542895a961faa43f5f4070849cfe84f7e885bd6b61e7ed07

    SHA512

    75b577d8e9a88303c614208727da548acef10c3a02e1693f388321eca335276a4f383e60f718d243e2cdbc4652d499559f27b6b7b540392007706f5656a4aef1

  • C:\Windows\Ffucaa.exe

    Filesize

    253KB

    MD5

    7eb77d2ef32d7e5bb52882931a7fe460

    SHA1

    334a7620bebbf7d7b9f7febb1077ff26b9c33783

    SHA256

    99a320888c782623542895a961faa43f5f4070849cfe84f7e885bd6b61e7ed07

    SHA512

    75b577d8e9a88303c614208727da548acef10c3a02e1693f388321eca335276a4f383e60f718d243e2cdbc4652d499559f27b6b7b540392007706f5656a4aef1

  • C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

    Filesize

    426B

    MD5

    abd6c9d660a16a7f881642edd4f4f071

    SHA1

    b87b41d3854ad303ca967781e303f91ab0742549

    SHA256

    9d2dec690752ee4f57a4cd907b7500ee8f1be0a762a7e2459f5573f66c7bce93

    SHA512

    931450426a2699b75c15bf9f8ca4a1c4fc422c48a4c115e09feaf5b249c528727981a9109921d96cb5f029bdbecc6091c656e77856160a226a9ac800f2ec5652

  • memory/3316-132-0x00000000021D0000-0x00000000021F6000-memory.dmp

    Filesize

    152KB

  • memory/3316-133-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/3316-139-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/3316-141-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/5088-138-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/5088-140-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB