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Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-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
  • 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 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3ba8a36c0a6894e32e5246fbb0679b179787d928780e4d03cf231bcbb04fabd.exe
    "C:\Users\Admin\AppData\Local\Temp\f3ba8a36c0a6894e32e5246fbb0679b179787d928780e4d03cf231bcbb04fabd.exe"
    1⤵
    • 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:4920
    • 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:2960
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,10925946972013221578,8820669985803190952,262144 --variations-seed-version --mojo-platform-channel-handle=3688 /prefetch:8
    1⤵
      PID:4396

    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

    • C:\Windows\System\rundll32.exe

      Filesize

      82KB

      MD5

      7d995fbc138b13e7ef7083c6b24da77c

      SHA1

      86b998bdaa2ca3db25c867b21b318309a2ea0205

      SHA256

      53b5b76fb7f76c557632f9cb5debd9f8c1389c0ddf34ed84d18cf5cd282578b6

      SHA512

      24b5212d50fec00c88b4eaa63f6bef8e18a6c4d895cfe57459bc179118da193dba6040477a29df15e7da29b65c6782adfbe03d3804ea85eff3ddf66118ee276a

    • memory/2960-13-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

    • memory/4920-0-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

    • memory/4920-14-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB