Analysis

  • max time kernel
    126s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    01/05/2023, 08:22

General

  • Target

    t.png.ps1

  • Size

    226KB

  • MD5

    2e5964cc837e99181da8fbb1a72459f4

  • SHA1

    554eccb95fd042e7b59ae59009e66c02d40bc606

  • SHA256

    bf2d33230f6da074a70938e96042a56f340d26b34511ddd254e10a0293f746b6

  • SHA512

    5f5a3b257260f752ce6b4be76df05784778bc1173f58bf540e05533ef2258fb57163089636fb8f9e46b0ab5e1677b049b8b75fa7622165d3ed2154e3230bee5c

  • SSDEEP

    1536:eeMD10HxuHY05UIy4rpmLoKZqcxU7SHzqQHw7rRim3ve0pAGFBQDVWQIypscdLNk:1k0t0iInKWQIyj37vB1rsz131513ApG

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\t.png.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Windows\system32\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /create /sc minute /mo 1 /tn log /tr C:\ProgramData\log\log.vbs
      2⤵
      • Creates scheduled task(s)
      PID:764
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A128CDF7-9616-43F4-B8FE-2B577A25C89D} S-1-5-21-1914912747-3343861975-731272777-1000:TMRJMUQF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\System32\WScript.exe
      C:\Windows\System32\WScript.exe "C:\ProgramData\log\log.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\System32\cmd.exe
        cmd /c ""C:\ProgramData\log\1.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\system32\cmd.exe
          CMD /C POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1476
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
            5⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1468
    • C:\Windows\System32\WScript.exe
      C:\Windows\System32\WScript.exe "C:\ProgramData\log\log.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\System32\cmd.exe
        cmd /c ""C:\ProgramData\log\1.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Windows\system32\cmd.exe
          CMD /C POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:320
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
            5⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1628

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\ProgramData\log\1.bat

          Filesize

          98B

          MD5

          1c0e3a11c13201e27ad546a96ba9b235

          SHA1

          fc8c268814b29dd7355380303ccf915c6a0a46de

          SHA256

          73de662f4a968fe1d94e3e29cfdd0a8f7e79f914cae64eca32ba55595c6b82e3

          SHA512

          cb30385e2813e75a02e99afbd1a7f1f288200140d1dc0e716facb708e21a4dd13581fa580a5b0e81b1c3080d107c10f3e44ab5891123236c7f9f3ba2aa31532a

        • C:\ProgramData\log\log.ps1

          Filesize

          225KB

          MD5

          45115fc43fe6bfb9015eecb6a682fca1

          SHA1

          35d5822da06aa21432025d74fb2b2baaa8dbffe1

          SHA256

          f501fd1cf1abab6ab840e26c5032b344ebec05c1446b160088469cbdc095303b

          SHA512

          1f4223e9480007b73c97215af1bd60a57d361a72be6f32c787c1760024c94aa4824d313391351e7bf8dcf9cbe8a0e4e9aa14a71864a08153c5584e680ca8dedc

        • C:\ProgramData\log\log.vbs

          Filesize

          120B

          MD5

          6be0eb96c776c22e099d7643281026f5

          SHA1

          0f4934d51d6b7dd2a82cfe2d574c1994fe0aa67b

          SHA256

          3e8f8fc88258f73995eaa6ce64e5093709b1386171512161e5f0ab81c9424503

          SHA512

          d0c4113016953135bd1cbb6d7504918b10e503467699bd342acd4981bccebc77a1cb054c56b82ef06847cff43da4d6266f4a281ec734e75244aeac8f510e999b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          8f9e9803acb767ce26582a7994562377

          SHA1

          79343802d23cd332bc977c9f1fe3c510aea2cc98

          SHA256

          dbd4c4096f54c8c57890e174f59b3e060837da818ebd86ed1df23f5658ec107c

          SHA512

          b250efb93f9a172fed14a7a2cca17795a26fa4967f312152135ce3f52a02f6c71dd8ae6d1b5de08b9bb0ffbb18b3508d9eef2c2cd46ab7e17f8376ff7f63c1f0

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          f5e4b8276f57ab37c21b51d1c00c3ce0

          SHA1

          0e9c208ed7d980445d220a8ea8b543a4112a9695

          SHA256

          02603a0f98bbb4eb7f9e2cd532a4d8f3cdaa285b5d7888bd00f8c7d58b82579b

          SHA512

          4d6085a8763071cc88fba0dc4c634cdd3eba196989a26aec97deaeb5910b0546414f2d1285d26b36f042077ce3013d21e5e95f637cbed699ae9fb03047fd5fb3

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E0WGMBWWV9U1E4PLML0V.temp

          Filesize

          7KB

          MD5

          8f9e9803acb767ce26582a7994562377

          SHA1

          79343802d23cd332bc977c9f1fe3c510aea2cc98

          SHA256

          dbd4c4096f54c8c57890e174f59b3e060837da818ebd86ed1df23f5658ec107c

          SHA512

          b250efb93f9a172fed14a7a2cca17795a26fa4967f312152135ce3f52a02f6c71dd8ae6d1b5de08b9bb0ffbb18b3508d9eef2c2cd46ab7e17f8376ff7f63c1f0

        • memory/1268-63-0x0000000002380000-0x0000000002400000-memory.dmp

          Filesize

          512KB

        • memory/1268-59-0x0000000002360000-0x0000000002368000-memory.dmp

          Filesize

          32KB

        • memory/1268-62-0x0000000002380000-0x0000000002400000-memory.dmp

          Filesize

          512KB

        • memory/1268-58-0x000000001B1A0000-0x000000001B482000-memory.dmp

          Filesize

          2.9MB

        • memory/1268-60-0x0000000002380000-0x0000000002400000-memory.dmp

          Filesize

          512KB

        • memory/1268-61-0x0000000002380000-0x0000000002400000-memory.dmp

          Filesize

          512KB

        • memory/1468-79-0x00000000023F0000-0x0000000002470000-memory.dmp

          Filesize

          512KB

        • memory/1468-78-0x00000000023F0000-0x0000000002470000-memory.dmp

          Filesize

          512KB

        • memory/1468-81-0x00000000023F0000-0x0000000002470000-memory.dmp

          Filesize

          512KB

        • memory/1468-77-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

          Filesize

          32KB

        • memory/1468-76-0x000000001B1D0000-0x000000001B4B2000-memory.dmp

          Filesize

          2.9MB

        • memory/1628-87-0x0000000002640000-0x00000000026C0000-memory.dmp

          Filesize

          512KB

        • memory/1628-88-0x0000000002644000-0x0000000002647000-memory.dmp

          Filesize

          12KB

        • memory/1628-89-0x000000000264B000-0x0000000002682000-memory.dmp

          Filesize

          220KB