Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 05:01

General

  • Target

    f8e6c30e2251d270b63046794d67a9aa8a801b04315590b18b34450cfe17f0bd.exe

  • Size

    65KB

  • MD5

    3bef8324184694884dad05fa686d4bac

  • SHA1

    091a6d68fa130d8ee32b32425cd64d92612a5a91

  • SHA256

    f8e6c30e2251d270b63046794d67a9aa8a801b04315590b18b34450cfe17f0bd

  • SHA512

    ef9bee56ce2dedc4cd07f428299f81045c0a9a32fd9f98a3316f23ead8f801e1e1bf6620dcda720649a2e29f10ef60dce1dd2788c16390b6a383de82d934596d

  • SSDEEP

    1536:ECq3yRuqrI01eArdW/O7JnI2e13XiLij40MkTUVqa/Ou5WWWWWWWWWWWWWWWWWWZ:7WNqkOJWmo1HpM0MkTUmub

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 8 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8e6c30e2251d270b63046794d67a9aa8a801b04315590b18b34450cfe17f0bd.exe
    "C:\Users\Admin\AppData\Local\Temp\f8e6c30e2251d270b63046794d67a9aa8a801b04315590b18b34450cfe17f0bd.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4352
    • \??\c:\windows\system\explorer.exe
      c:\windows\system\explorer.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • Modifies Installed Components in the registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4468
      • \??\c:\windows\system\spoolsv.exe
        c:\windows\system\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4932
        • \??\c:\windows\system\svchost.exe
          c:\windows\system\svchost.exe
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visiblity of hidden/system files in Explorer
          • Modifies Installed Components in the registry
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4900
          • \??\c:\windows\system\spoolsv.exe
            c:\windows\system\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:740
          • C:\Windows\SysWOW64\at.exe
            at 05:03 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
            5⤵
              PID:4276
            • C:\Windows\SysWOW64\at.exe
              at 05:04 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              5⤵
                PID:788
              • C:\Windows\SysWOW64\at.exe
                at 05:05 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
                5⤵
                  PID:3412

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Roaming\mrsys.exe

                Filesize

                65KB

                MD5

                4e7d2cf43358b76f6bbe8c4ab5de8f0a

                SHA1

                43256f66588b2682bd3c4264c3da64d3d4ccabd0

                SHA256

                68180bd2f828a9cf9c78cbb96f2d10ef931e524c586f1f79671ebd549130aa17

                SHA512

                e91bf3e815ead4e235ce19bb1d100ed7f06d22cb466eb43983b0dcd057b023b41d0292d43080e98f1793eeed69594308aa1036c0b07af6474618b23c7893b626

              • C:\Windows\System\spoolsv.exe

                Filesize

                65KB

                MD5

                568215ced9d00583e162420c8e5eb6c1

                SHA1

                341c4ec5565e50318bfd3d95f38abeada71de8c0

                SHA256

                f26d8a57a96cac840f7870439908808d334d41620fbbeaed0f789cd631dafbfd

                SHA512

                f46fb3b056a9a64506e69bc1cf13b489be8e7c25e653a1c3190ebcd20156fe325fe311fb2d7177ca3f8e749b2f89e49c0c6d837166fbf69d3680ce11fb47cc5f

              • C:\Windows\System\svchost.exe

                Filesize

                65KB

                MD5

                f03cee8302b52d2d0ee3d527ba81d2e0

                SHA1

                47a8ecc6a07eeef65f4b51117ad6988aa3fdd38d

                SHA256

                f9ed1e3065653ec0c9d766ab7daf1639d44308147905dc058bf6d977f36ed281

                SHA512

                2b4b7a395ae25e2c93a9aa57b348d58c9d595b0874a4105e79c0fe98ed8424311954d51c3af768039f9021e114e035feaf0e7fe1f6e3500d7be6d9d41741f297

              • \??\c:\windows\system\explorer.exe

                Filesize

                65KB

                MD5

                8b2f5b0cf349fb62581f2ca78f8f5e29

                SHA1

                8f8fdc8e4ebaa05d0ca87bf05129e378c8a6e8e5

                SHA256

                c77487d144e75d4a1bdf24456f79c91cd968e7519c9535e1a569271dcb3dfbb7

                SHA512

                16a928cf75263711634cbd8ec0f7ef51cc5083ba7a22b6ad78afe858494b4df3e46d26c1392f88c6c7a3a0fbb93f2214b29158514d315cc31c88592d85344d58

              • memory/740-54-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/740-46-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/740-47-0x0000000075430000-0x000000007558D000-memory.dmp

                Filesize

                1.4MB

              • memory/4352-58-0x0000000000401000-0x000000000042E000-memory.dmp

                Filesize

                180KB

              • memory/4352-4-0x0000000000401000-0x000000000042E000-memory.dmp

                Filesize

                180KB

              • memory/4352-0-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4352-3-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4352-2-0x0000000075430000-0x000000007558D000-memory.dmp

                Filesize

                1.4MB

              • memory/4352-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

                Filesize

                16KB

              • memory/4352-45-0x00000000001C0000-0x00000000001C4000-memory.dmp

                Filesize

                16KB

              • memory/4352-57-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4468-71-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4468-60-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4468-13-0x0000000075430000-0x000000007558D000-memory.dmp

                Filesize

                1.4MB

              • memory/4468-15-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4468-16-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4900-42-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4900-38-0x0000000075430000-0x000000007558D000-memory.dmp

                Filesize

                1.4MB

              • memory/4900-62-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4932-56-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4932-32-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4932-27-0x0000000075430000-0x000000007558D000-memory.dmp

                Filesize

                1.4MB

              • memory/4932-26-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB

              • memory/4932-24-0x0000000000400000-0x0000000000431000-memory.dmp

                Filesize

                196KB