Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 10:41

General

  • Target

    e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe

  • Size

    135KB

  • MD5

    f633dcd5ab168a91ecd4b699d0a73034

  • SHA1

    1c65c881f5a14f505d58c466835492173ae96910

  • SHA256

    e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d

  • SHA512

    3ede214b33bcbfb481062ce399f5bdd6410e7a381c0a70657c471100225db482add65d9ae919bb1c3be87d4f4712882364a3a4b25552bd03afb45da202e02a9e

  • SSDEEP

    1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVBl8sL:UVqoCl/YgjxEufVU0TbTyDDalPlfL

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
    "C:\Users\Admin\AppData\Local\Temp\e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4112
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3592
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3212
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2260
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:3156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Resources\Themes\explorer.exe

    Filesize

    135KB

    MD5

    efec58a97c0c3fbc9fea899a6f84e9eb

    SHA1

    f4059043b9b6a0c7a7c53b9f358ed70182bcbb72

    SHA256

    0c00a2a84857878e962618ef049e2d4da1fcd1c10aae4974e66af1e4f9ab91fe

    SHA512

    e4d04965edcf290a4fae6e6ef41e58601bc747cf09329d80d8038069dcbf01cb47029aa6ad0a521faf973ec6bc7bf9a1fd9e94abcd25071ad95730a6e4f7462f

  • C:\Windows\Resources\spoolsv.exe

    Filesize

    135KB

    MD5

    40c0e76e87161971cbaa7a8fffcfb4eb

    SHA1

    f030761d17261a4b46de0703ab5b48c9fb5509ab

    SHA256

    1ccf01e6df157b6e4bd75566ac257ad1578f0f1a90f020aee913080dc4831c9a

    SHA512

    743bab5e74631306ba69ba6654c07be801c9bbe6d02aed275497441952f6df8f923b9434589ef4ea65131458b575ba6a1580ed1672ba56c5282613b0f1b416da

  • C:\Windows\Resources\svchost.exe

    Filesize

    135KB

    MD5

    651aeef6dbf5f50e191a427a5e1f33c6

    SHA1

    18053574194510dda8a309b35a31973d89cac131

    SHA256

    c5e179cf4da7d93acab9eb863778c938171836eb3c7023bd72ae34d87981c14b

    SHA512

    cf4df0cab7a05e3772f2ca1f2dc994dd264da478aeec346de428f6f7fe48d93c7c98ef38eca815c487309e3b14ea0556c26903e1dc849f68e31cdee11b25ab07

  • memory/2260-36-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3156-32-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3212-33-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3592-35-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4112-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4112-34-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB