Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 04:40

General

  • Target

    1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe

  • Size

    77KB

  • MD5

    fd23f6ca34c4340d9c5385aa0d38393c

  • SHA1

    d728211a44629bf613d2b82d9852755ea03e31c4

  • SHA256

    1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0

  • SHA512

    2ddd38f26e1ef2a3c94eb80aa0103046f64ad7b6ba8802e062d9ba3fbf23514e80bcce0240ad4f85e0a14d5ed9709f9189ee8d345a45c516dd63860b899d9fdd

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOKLKT:GhfxHNIreQm+Hi5LKT

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\1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe
    "C:\Users\Admin\AppData\Local\Temp\1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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:1824
    • 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:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    75KB

    MD5

    2a3a74e2dfc09fa725be0269bc34981f

    SHA1

    068430cd2aa90070f2868379d16f7ec3ccd7db24

    SHA256

    ed957a74da4aecf654670ddd8d813ba687864cc1225c8168a2ef68a1dabd5c15

    SHA512

    f7b8906c6d1d154887ec4ebade80deb1b64aa4a719507c6a110ac3cb49b67d478769b31e92eb5b739b47ff2f37347c33a68c3ba79c072bca701766cd9c10d40b

  • \Windows\system\rundll32.exe

    Filesize

    73KB

    MD5

    d2c0dd76e05e3ed2106089468b2d65a2

    SHA1

    642967312de7e370e19515651b6cb460bec6e87e

    SHA256

    13cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3

    SHA512

    8e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a

  • memory/1824-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1824-18-0x0000000000360000-0x0000000000376000-memory.dmp

    Filesize

    88KB

  • memory/1824-17-0x0000000000360000-0x0000000000376000-memory.dmp

    Filesize

    88KB

  • memory/1824-21-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1824-22-0x0000000000360000-0x0000000000362000-memory.dmp

    Filesize

    8KB

  • memory/2644-20-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB