Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 04:40

General

  • Target

    f3ba8a36c0a6894e32e5246fbb0679b179787d928780e4d03cf231bcbb04fabd.exe

  • Size

    84KB

  • MD5

    a459f8669aaa1b98f28b476812857165

  • SHA1

    95ffbe1783b4292164899f05715ed6e03fe3b16e

  • SHA256

    f3ba8a36c0a6894e32e5246fbb0679b179787d928780e4d03cf231bcbb04fabd

  • SHA512

    c390924d5f731e1f2db441e094415a7cdd3fa5d0d96b7c0bdf3d0952926249a92dbe4140a38279305acc40ec403e95e9e029682e88817276224fca3a049525a1

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWONhFdIHBw:GhfxHNIreQm+HiChFdIHBw

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3ba8a36c0a6894e32e5246fbb0679b179787d928780e4d03cf231bcbb04fabd.exe
    "C:\Users\Admin\AppData\Local\Temp\f3ba8a36c0a6894e32e5246fbb0679b179787d928780e4d03cf231bcbb04fabd.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    77KB

    MD5

    398da659a6d86561b69cdd15bddf04c7

    SHA1

    727745cf7edc35d0a430208e31078a3584029e5b

    SHA256

    1196a61f813ca5a5cc1f64d3756301cfad17ff83f6b620faa561e9bec60b7193

    SHA512

    39dc2474840512b19a2e8cb5df1fd360cfa9eb537a4ecf2b077f45f2eb703adbe14457dbe062ceb0d74572a24025bf1c5a45d51282a385badbac2568b1fdfcc7

  • \Windows\system\rundll32.exe

    Filesize

    82KB

    MD5

    7d995fbc138b13e7ef7083c6b24da77c

    SHA1

    86b998bdaa2ca3db25c867b21b318309a2ea0205

    SHA256

    53b5b76fb7f76c557632f9cb5debd9f8c1389c0ddf34ed84d18cf5cd282578b6

    SHA512

    24b5212d50fec00c88b4eaa63f6bef8e18a6c4d895cfe57459bc179118da193dba6040477a29df15e7da29b65c6782adfbe03d3804ea85eff3ddf66118ee276a

  • memory/1704-19-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2224-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2224-11-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/2224-20-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2224-21-0x00000000002E0000-0x00000000002E2000-memory.dmp

    Filesize

    8KB