Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 03:33

General

  • Target
    bd8ebc8a73354d912d96648c0a4924ad.exe
  • Size 1.2MB
  • Sample240310-d37yssbc74
  • SHA256 ab5fd5b542977645488e296770bbb76137d4893ecb9eddaf3e492bce5f5aa6ce
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd8ebc8a73354d912d96648c0a4924ad.exe
    "C:\Users\Admin\AppData\Local\Temp\bd8ebc8a73354d912d96648c0a4924ad.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe
      "C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c LvTasfZdX
        3⤵
          PID:4708
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c cmd < Rapiva.mov
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1412
          • C:\Windows\SysWOW64\cmd.exe
            cmd
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:808
            • C:\Windows\SysWOW64\findstr.exe
              findstr /V /R "^pAvofqIrkohjdrCgCTcBhWrPbuXmHqloifUaNcpwSZexQIXXPwRGojGjbGKoroclYytqolBuKxJgUJZOpqKGoDZUJIVuKqXJDRcKDXOFmLVODaaNHWZrnPwxulsAgccJvZKehgkkktubI$" Sento.mov
              5⤵
                PID:4300
              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
                Arteria.exe.com U
                5⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:408
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com U
                  6⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Checks processor information in registry
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:1332
                  • C:\Windows\SysWOW64\WScript.exe
                    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\vgjqwhqqj.vbs"
                    7⤵
                    • Blocklisted process makes network request
                    PID:512
              • C:\Windows\SysWOW64\PING.EXE
                ping localhost -n 30
                5⤵
                • Runs ping.exe
                PID:1648
        • C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe
          "C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"
          2⤵
          • Drops startup file
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3400
          • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
            "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: AddClipboardFormatListener
            PID:5044
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 1004
            3⤵
            • Program crash
            PID:1612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3400 -ip 3400
        1⤵
          PID:1700

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              33ED.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\33ED.tmp
              • Size 313B
              • SHA256 b90eae4b05d321efc4519963349c1775dcea8e3b0ae53b50285545380b6539c0
              • MD5 SHA1 SHA512

              Arteria.exe.com

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
              • Size 872KB
              • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
              • MD5 SHA1 SHA512 SSDEEP

              Disconosci.mov

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Disconosci.mov
              • Size 139KB
              • SHA256 4cae657014aa9d240dca1339626ea9ff4442695b7c758e77146803da475d31a0
              • MD5 SHA1 SHA512 SSDEEP

              Mutato.mov

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Mutato.mov
              • Size 713KB
              • SHA256 13cf314114608f1b8277ca7647b5210a60275469567967080a689c6c0fdf4533
              • MD5 SHA1 SHA512 SSDEEP

              Rapiva.mov

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rapiva.mov
              • Size 497B
              • SHA256 e64a1cb9aa2c169c8edb5d962f9bc679f852b6ae4364cca86e7b01b1c0d4479d
              • MD5 SHA1 SHA512

              Sento.mov

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sento.mov
              • Size 872KB
              • SHA256 7167e77a7461f0acb586e23ec43ad218fa5cea2ecd6dd80c62d35be452680912
              • MD5 SHA1 SHA512 SSDEEP

              4.exe

              • Path C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe
              • Size 356KB
              • SHA256 eebd782f6612da1133b0e130bf751578de50cadfd0268b98ce4a31815edc636c
              • MD5 SHA1 SHA512 SSDEEP

              vpn.exe

              • Path C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe
              • Size 1.0MB
              • SHA256 b317a4e36ea8c4f943d6f1d3f933bb96d29aa6ba16c48a7b5c9db07b5a17bbd2
              • MD5 SHA1 SHA512 SSDEEP

              UAC.dll

              • Path C:\Users\Admin\AppData\Local\Temp\nsn7408.tmp\UAC.dll
              • Size 14KB
              • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
              • MD5 SHA1 SHA512 SSDEEP

              vgjqwhqqj.vbs

              • Path C:\Users\Admin\AppData\Local\Temp\vgjqwhqqj.vbs
              • Size 138B
              • SHA256 bb49e19ac1dccbfcceb5ff1506533fdcf76ee4f7266796de4e11379b0b7e7483
              • MD5 SHA1 SHA512

              memory/1332-60-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/1332-62-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/1332-80-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/1332-66-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/1332-63-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/1332-57-0x0000000000C70000-0x0000000000C71000-memory.dmp

              memory/1332-58-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/1332-59-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/1332-61-0x0000000003C60000-0x0000000003C87000-memory.dmp

              memory/3400-45-0x0000000000400000-0x0000000003255000-memory.dmp

              memory/3400-52-0x0000000000400000-0x0000000003255000-memory.dmp

              memory/3400-38-0x00000000033E0000-0x0000000003406000-memory.dmp

              memory/3400-36-0x0000000003490000-0x0000000003590000-memory.dmp

              memory/5044-50-0x0000000003610000-0x0000000003710000-memory.dmp

              memory/5044-56-0x0000000003610000-0x0000000003710000-memory.dmp

              memory/5044-51-0x0000000000400000-0x0000000003255000-memory.dmp