Resubmissions

07-01-2025 09:02

250107-kzxrzswlej 8

07-01-2025 08:16

250107-j6k64atreq 10

17-12-2024 14:09

241217-rf4vhs1mbz 8

Analysis

  • max time kernel
    31s
  • max time network
    34s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    17-12-2024 14:09

General

  • Target

    ecome.exe

  • Size

    1.1MB

  • MD5

    387a4f5a3791b3467434add8798e156c

  • SHA1

    3eb4d42ca10ca4705bd8e6411e09b31b8f04914e

  • SHA256

    0ccf18985ae70f2004c2ccc11f470b7bbd0884fce623a606a67b2e4e66916791

  • SHA512

    7ad99b695ca917759de3bb75bc1f449f80b6b8d44b081b2036e4824a82847df4990c21862b49c71da79d3d4c3e115bcb3edea8b10e7a445be66dfa8da9cb1eff

  • SSDEEP

    24576:lPSbyKdceodVn4sgUmwzzjKsjOxXVsCdPd+p:JgxebtgIznKaKsCdPsp

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecome.exe
    "C:\Users\Admin\AppData\Local\Temp\ecome.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QJXouGSsQAwOR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QJXouGSsQAwOR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B0A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2624
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:4400
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:1704
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          2⤵
            PID:2004
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            2⤵
              PID:3808
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
              2⤵
                PID:4408

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jii3qi0n.sic.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • C:\Users\Admin\AppData\Local\Temp\tmp8B0A.tmp

              Filesize

              1KB

              MD5

              3d75d6bf9864c2a38e9043562500162d

              SHA1

              b8fd2a1436ce8d4b57d55c7964337fb7f0eb45f2

              SHA256

              60753429a4a0252c745ec9ff2028114968935fd885dfcc17971f531d0de0544f

              SHA512

              4b548c15fccc25beb19f620c99786323894969bd6b48f0bb65fe011b044d5cfef1ff6824c7e8c79739122827f089db209d1d656df1a87856f0345334a8414324

            • memory/1424-37-0x0000000075510000-0x000000007555C000-memory.dmp

              Filesize

              304KB

            • memory/1424-14-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/1424-57-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/1424-26-0x0000000005A90000-0x0000000005AF6000-memory.dmp

              Filesize

              408KB

            • memory/1424-53-0x00000000075A0000-0x00000000075AA000-memory.dmp

              Filesize

              40KB

            • memory/1424-52-0x0000000007540000-0x000000000755A000-memory.dmp

              Filesize

              104KB

            • memory/1424-51-0x0000000007B80000-0x00000000081FA000-memory.dmp

              Filesize

              6.5MB

            • memory/1424-48-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/1424-49-0x00000000073E0000-0x0000000007483000-memory.dmp

              Filesize

              652KB

            • memory/1424-50-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/1424-13-0x00000000027F0000-0x0000000002826000-memory.dmp

              Filesize

              216KB

            • memory/1424-34-0x0000000006260000-0x00000000062AC000-memory.dmp

              Filesize

              304KB

            • memory/1424-47-0x00000000073C0000-0x00000000073DE000-memory.dmp

              Filesize

              120KB

            • memory/1424-16-0x00000000053C0000-0x0000000005A8A000-memory.dmp

              Filesize

              6.8MB

            • memory/1424-17-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/1424-18-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/1424-54-0x00000000077B0000-0x0000000007846000-memory.dmp

              Filesize

              600KB

            • memory/1424-36-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/1424-35-0x0000000007380000-0x00000000073B2000-memory.dmp

              Filesize

              200KB

            • memory/1424-21-0x0000000005280000-0x00000000052A2000-memory.dmp

              Filesize

              136KB

            • memory/1424-32-0x0000000005B70000-0x0000000005BD6000-memory.dmp

              Filesize

              408KB

            • memory/1424-33-0x00000000061B0000-0x00000000061CE000-memory.dmp

              Filesize

              120KB

            • memory/2400-5-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/2400-7-0x0000000007B00000-0x0000000007B26000-memory.dmp

              Filesize

              152KB

            • memory/2400-3-0x00000000055B0000-0x0000000005642000-memory.dmp

              Filesize

              584KB

            • memory/2400-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

              Filesize

              4KB

            • memory/2400-2-0x0000000005A70000-0x0000000006016000-memory.dmp

              Filesize

              5.6MB

            • memory/2400-11-0x000000000DAB0000-0x000000000DB4C000-memory.dmp

              Filesize

              624KB

            • memory/2400-10-0x000000000B9F0000-0x000000000BAB4000-memory.dmp

              Filesize

              784KB

            • memory/2400-9-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/2400-8-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

              Filesize

              4KB

            • memory/2400-1-0x0000000000AC0000-0x0000000000BDA000-memory.dmp

              Filesize

              1.1MB

            • memory/2400-6-0x0000000005770000-0x000000000577A000-memory.dmp

              Filesize

              40KB

            • memory/2400-27-0x0000000074C50000-0x0000000075401000-memory.dmp

              Filesize

              7.7MB

            • memory/2400-4-0x0000000006020000-0x0000000006377000-memory.dmp

              Filesize

              3.3MB