Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 05:01

General

  • Target

    de9e2b7e3ced43c89a64921493b3ae58f27f34f586022364d34dfc07f2420c66.exe

  • Size

    66KB

  • MD5

    0cd879162cdd7710c44cfbb1695a7ea3

  • SHA1

    186fac979e1e45849bbb528e55c315058a275ca2

  • SHA256

    de9e2b7e3ced43c89a64921493b3ae58f27f34f586022364d34dfc07f2420c66

  • SHA512

    6f5d06febfc489bd7a129d42db111b01b046e1e7e7877766f52a81af4b96716bb824f9c6bf49a203f8cc040730845d2852d9d14d769f609c528b35dfbc774a23

  • SSDEEP

    1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXie:IeklMMYJhqezw/pXzH9ie

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
  • Loads dropped DLL 8 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de9e2b7e3ced43c89a64921493b3ae58f27f34f586022364d34dfc07f2420c66.exe
    "C:\Users\Admin\AppData\Local\Temp\de9e2b7e3ced43c89a64921493b3ae58f27f34f586022364d34dfc07f2420c66.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:920
    • \??\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
      • Loads dropped DLL
      • 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:2696
      • \??\c:\windows\system\spoolsv.exe
        c:\windows\system\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2804
        • \??\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
          • Loads dropped DLL
          • 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:2508
          • \??\c:\windows\system\spoolsv.exe
            c:\windows\system\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2488
          • C:\Windows\SysWOW64\at.exe
            at 05:03 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
            5⤵
              PID:1880
            • C:\Windows\SysWOW64\at.exe
              at 05:04 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              5⤵
                PID:1340
              • C:\Windows\SysWOW64\at.exe
                at 05:05 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
                5⤵
                  PID:1468

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          66KB

          MD5

          ac2008410eb3b12f1ad96fc0c6a84248

          SHA1

          fb2a56b2776ba9911cbc6d3a3e18b7dc09184fff

          SHA256

          37ae97573409a91bf3dc846fbfde547db98cdae22ba54c9561aa55c4354c9624

          SHA512

          df8bd04dc91ebb7102d0d5f925fa5f759bf57c6e5e737e728f09de76faadb7088c7c901a2e3db8a714853f191214cfcfdd1eb5b1c164b89140b6f472330a9447

        • \Windows\system\explorer.exe

          Filesize

          66KB

          MD5

          4fefff25025a5b9dc3f0ad3cd21fc79d

          SHA1

          5e5899a1d8493977e0cb4460bd9452915cab5167

          SHA256

          a28ca682561ab23b41bc114f8f6acc88244cc8615a861e9bd31781984639973a

          SHA512

          ff2c95d2956f34bd20ee9fb8b882616312b905138205042aaafbc30c71be7070228db25ad2b2e419e7c18514c9786be2a73600a8fa52fd713a92eaf313511f60

        • \Windows\system\spoolsv.exe

          Filesize

          66KB

          MD5

          1091748622669af5aaf1d6a2dda2f934

          SHA1

          b7dca01a55ecbde7229bfcd4cbc336d4ab2e542d

          SHA256

          9aefb0ee6afc4aaa4743f0a9ce8b3bc6db3c2e294be45137c64273ece786ed62

          SHA512

          0e1631d86be6674c6af32ba5de46e2151608230a687c85cc50ff0b0ff0ee6310d5ff5868be978cd366842bbe86c4fa681316a5fbb7839d7ab36ff4155277dcac

        • \Windows\system\svchost.exe

          Filesize

          66KB

          MD5

          eaa12232e59e03609f8ab5ac67b0e162

          SHA1

          d1c11e6d0d7fad76cb5df7945afd72b2e502b9e9

          SHA256

          30af236c4d9bbe6dc64cc9f57a3eec7eaa11f17a07cfea9cc643149f2a827944

          SHA512

          03dc211e7791591ac3fcf66818d569c47e961ce122ead4b7444435bf7d50cd62f2f9500dbe58bb20d60012de952bee0a72ab08b06143f4ae1f07e941ada9fe2c

        • memory/920-17-0x00000000025E0000-0x0000000002611000-memory.dmp

          Filesize

          196KB

        • memory/920-78-0x0000000000401000-0x000000000042E000-memory.dmp

          Filesize

          180KB

        • memory/920-0-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/920-1-0x0000000000020000-0x0000000000024000-memory.dmp

          Filesize

          16KB

        • memory/920-2-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

        • memory/920-4-0x0000000000401000-0x000000000042E000-memory.dmp

          Filesize

          180KB

        • memory/920-77-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/920-3-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/920-46-0x0000000000020000-0x0000000000024000-memory.dmp

          Filesize

          16KB

        • memory/920-50-0x0000000000401000-0x000000000042E000-memory.dmp

          Filesize

          180KB

        • memory/2488-65-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

        • memory/2488-71-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2508-59-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2508-81-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2508-55-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

        • memory/2696-19-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

        • memory/2696-54-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2696-80-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2696-18-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2696-90-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2696-23-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2804-47-0x0000000002540000-0x0000000002571000-memory.dmp

          Filesize

          196KB

        • memory/2804-75-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2804-35-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

        • memory/2804-39-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB