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Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/09/2023, 07:06

General

  • Target

    7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe

  • Size

    75KB

  • MD5

    3213a6b12ab6e858c29394b46b600714

  • SHA1

    e2867a66e24a661041cb6a6149b4fd6bec44feac

  • SHA256

    7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9

  • SHA512

    3cb34859ac5832797e135fadfc3b56a338c4c6743e5259d147cfd17502ed25c6ff47d21c01dde88043ce730c1270334e1784912e40a6af4185a9a573583f0990

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOeYh:GhfxHNIreQm+HiBYh

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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe
    "C:\Users\Admin\AppData\Local\Temp\7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.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:4520
    • 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:2908
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:4652
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\notepad¢¬.exe

      Filesize

      73KB

      MD5

      93b9d95f28a0375e94a2670bbb456e71

      SHA1

      84b3cc9160de726841ad2c044c859b41184f149c

      SHA256

      541c486e7b0141e3619a7977df984001d8faaab6bb6f1eb10cff179970e583a6

      SHA512

      539a8752e39e56911be217effdbb68fab88ffd8bd897795130c62d17e20991726a751751bb2a4efa3652d0981d5ddf5f1a19d5abcfb0e358220f61ab168adde2

    • C:\Windows\System\rundll32.exe

      Filesize

      81KB

      MD5

      2995096ee91e04e0a8ba2aff104ea555

      SHA1

      8537d0559796d3066acaedb9453e461492f33732

      SHA256

      c906459f115a04301a88fd4f842265465c305f564b4e06c8c0a8fe27f93e2318

      SHA512

      2db39e5df3877bd2bc5fede50c5a89b7ab6123c4697a1f077a6301da94837201124dcaa02e79debd0ea746857668ab4262b057d4ca52ecca961d0d0c699eabde

    • C:\Windows\system\rundll32.exe

      Filesize

      81KB

      MD5

      2995096ee91e04e0a8ba2aff104ea555

      SHA1

      8537d0559796d3066acaedb9453e461492f33732

      SHA256

      c906459f115a04301a88fd4f842265465c305f564b4e06c8c0a8fe27f93e2318

      SHA512

      2db39e5df3877bd2bc5fede50c5a89b7ab6123c4697a1f077a6301da94837201124dcaa02e79debd0ea746857668ab4262b057d4ca52ecca961d0d0c699eabde

    • memory/532-14-0x0000017C78E40000-0x0000017C78E50000-memory.dmp

      Filesize

      64KB

    • memory/532-30-0x0000017C78F40000-0x0000017C78F50000-memory.dmp

      Filesize

      64KB

    • memory/532-46-0x0000017C7D2A0000-0x0000017C7D2A1000-memory.dmp

      Filesize

      4KB

    • memory/532-48-0x0000017C7D2D0000-0x0000017C7D2D1000-memory.dmp

      Filesize

      4KB

    • memory/532-49-0x0000017C7D2D0000-0x0000017C7D2D1000-memory.dmp

      Filesize

      4KB

    • memory/532-50-0x0000017C7D3E0000-0x0000017C7D3E1000-memory.dmp

      Filesize

      4KB

    • memory/2908-51-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

    • memory/4520-0-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

    • memory/4520-13-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB