Analysis

  • max time kernel
    122s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2022, 22:08

General

  • Target

    a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe

  • Size

    322KB

  • MD5

    f5906d4ad1e6e9819c4d86b8a71f3415

  • SHA1

    cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3

  • SHA256

    a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80

  • SHA512

    8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a

  • SSDEEP

    6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
    "C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
      C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
        3⤵
        • Creates scheduled task(s)
        PID:4988
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
        3⤵
        • Creates scheduled task(s)
        PID:4216
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
      2⤵
      • Executes dropped EXE
      PID:824

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

          Filesize

          789B

          MD5

          03d2df1e8834bc4ec1756735429b458c

          SHA1

          4ee6c0f5b04c8e0c5076219c5724032daab11d40

          SHA256

          745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

          SHA512

          2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

          Filesize

          322KB

          MD5

          f5906d4ad1e6e9819c4d86b8a71f3415

          SHA1

          cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3

          SHA256

          a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80

          SHA512

          8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

          Filesize

          322KB

          MD5

          f5906d4ad1e6e9819c4d86b8a71f3415

          SHA1

          cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3

          SHA256

          a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80

          SHA512

          8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

          Filesize

          322KB

          MD5

          f5906d4ad1e6e9819c4d86b8a71f3415

          SHA1

          cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3

          SHA256

          a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80

          SHA512

          8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

          Filesize

          322KB

          MD5

          f5906d4ad1e6e9819c4d86b8a71f3415

          SHA1

          cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3

          SHA256

          a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80

          SHA512

          8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a

        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

          Filesize

          322KB

          MD5

          f5906d4ad1e6e9819c4d86b8a71f3415

          SHA1

          cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3

          SHA256

          a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80

          SHA512

          8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a

        • memory/1092-132-0x00000000003C0000-0x0000000000416000-memory.dmp

          Filesize

          344KB

        • memory/1092-133-0x0000000007960000-0x0000000007F04000-memory.dmp

          Filesize

          5.6MB

        • memory/1092-134-0x00000000073B0000-0x0000000007442000-memory.dmp

          Filesize

          584KB

        • memory/1092-135-0x00000000078E0000-0x0000000007956000-memory.dmp

          Filesize

          472KB

        • memory/1092-136-0x0000000004EF0000-0x0000000004F0E000-memory.dmp

          Filesize

          120KB

        • memory/4740-142-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/4740-140-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/4740-138-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB