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08-06-2024 08:50

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01-05-2024 18:02

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Analysis

  • max time kernel
    0s
  • max time network
    12s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-06-2024 08:50

Errors

Reason
Machine shutdown

General

  • Target

    Ana.exe

  • Size

    2.1MB

  • MD5

    f571faca510bffe809c76c1828d44523

  • SHA1

    7a3ca1660f0a513316b8cd5496ac7dbe82f0e0c2

  • SHA256

    117d7af0deb40b3fe532bb6cbe374884fa55ed7cfe053fe698720cdccb5a59cb

  • SHA512

    a08bca2fb1387cc70b737520d566c7117aa3fdb9a52f5dbb0bb7be44630da7977882d8c808cbee843c8a180777b4ac5819e8bafda6b2c883e380dc7fb5358a51

  • SSDEEP

    49152:OwVYlfBUDiZx8Fa/Q0NuB3btlnCItWNSwoy:OxPUDQmso0NuBZlnCItM

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ana.exe
    "C:\Users\Admin\AppData\Local\Temp\Ana.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Users\Admin\AppData\Local\Temp\AV.EXE
      "C:\Users\Admin\AppData\Local\Temp\AV.EXE"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3436
    • C:\Users\Admin\AppData\Local\Temp\AV2.EXE
      "C:\Users\Admin\AppData\Local\Temp\AV2.EXE"
      2⤵
      • Executes dropped EXE
      PID:484
    • C:\Users\Admin\AppData\Local\Temp\DB.EXE
      "C:\Users\Admin\AppData\Local\Temp\DB.EXE"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1260
      • C:\Windows\SysWOW64\panmapo.exe
        C:\Windows\SysWOW64\panmapo.exe
        3⤵
          PID:4752
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe" /flushdns
            4⤵
            • Gathers network information
            PID:3744
        • C:\Windows\SysWOW64\cmd.exe
          /c C:\Users\Admin\AppData\Local\Temp\~unins1546.bat "C:\Users\Admin\AppData\Local\Temp\DB.EXE"
          3⤵
            PID:1992
        • C:\Users\Admin\AppData\Local\Temp\EN.EXE
          "C:\Users\Admin\AppData\Local\Temp\EN.EXE"
          2⤵
          • Executes dropped EXE
          PID:3504
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EN.EXE > nul
            3⤵
              PID:3332
          • C:\Users\Admin\AppData\Local\Temp\SB.EXE
            "C:\Users\Admin\AppData\Local\Temp\SB.EXE"
            2⤵
            • Executes dropped EXE
            PID:5116

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\AV.EXE

          Filesize

          1.1MB

          MD5

          f284568010505119f479617a2e7dc189

          SHA1

          e23707625cce0035e3c1d2255af1ed326583a1ea

          SHA256

          26c8f13ea8dc17443a9fa005610537cb6700aebaf748e747e9278d504e416eb1

          SHA512

          ebe96e667dfde547c5a450b97cd7534b977f4073c7f4cbc123a0e00baaefeb3be725c1cafbfb5bb040b3359267954cd1b4e2094ef71fc273732016ee822064bf

        • C:\Users\Admin\AppData\Local\Temp\AV2.EXE

          Filesize

          368KB

          MD5

          014578edb7da99e5ba8dd84f5d26dfd5

          SHA1

          df56d701165a480e925a153856cbc3ab799c5a04

          SHA256

          4ce5e8b510895abb204f97e883d8cbaacc29ccef0844d9ae81f8666f234b0529

          SHA512

          bd5159af96d83fc7528956c5b1bd6f93847db18faa0680c6041f87bbebef5e3ba2de1f185d77ff28b8d7d78ec4f7bd54f48b37a16da39f43314ef022b4a36068

        • C:\Users\Admin\AppData\Local\Temp\DB.EXE

          Filesize

          243KB

          MD5

          c6746a62feafcb4fca301f606f7101fa

          SHA1

          e09cd1382f9ceec027083b40e35f5f3d184e485f

          SHA256

          b5a255d0454853c8afc0b321e1d86dca22c3dbefb88e5d385d2d72f9bc0109e6

          SHA512

          ee5dfa08c86bf1524666f0851c729970dbf0b397db9595a2bae01516299344edb68123e976592a83e492f2982fafe8d350ba2d41368eb4ecf4e6fe12af8f5642

        • C:\Users\Admin\AppData\Local\Temp\EN.EXE

          Filesize

          6KB

          MD5

          621f2279f69686e8547e476b642b6c46

          SHA1

          66f486cd566f86ab16015fe74f50d4515decce88

          SHA256

          c17a18cf2c243303b8a6688aad83b3e6e9b727fcd89f69065785ef7f1a2a3e38

          SHA512

          068402b02f1056b722f21b0a354b038f094d02e4a066b332553cd6b36e3640e8f35aa0499a2b057c566718c3593d3cea6bbabd961e04f0a001fd45d8be8e1c4e

        • C:\Users\Admin\AppData\Local\Temp\GB.EXE

          Filesize

          149KB

          MD5

          fe731b4c6684d643eb5b55613ef9ed31

          SHA1

          cfafe2a14f5413278304920154eb467f7c103c80

          SHA256

          e7953daad7a68f8634ded31a21a31f0c2aa394ca9232e2f980321f7b69176496

          SHA512

          f7756d69138df6d3b0ffa47bdf274e5fd8aab4fff9d68abe403728c8497ac58e0f3d28d41710de715f57b7a2b5daa2dd7e04450f19c6d013a08f543bd6fc9c2e

        • C:\Users\Admin\AppData\Local\Temp\SB.EXE

          Filesize

          224KB

          MD5

          9252e1be9776af202d6ad5c093637022

          SHA1

          6cc686d837cd633d9c2e8bc1eaba5fc364bf71d8

          SHA256

          ce822ff86e584f15b6abd14c61453bd3b481d4ec3fdeb961787fceb52acd8bd6

          SHA512

          98b1b3ce4d16d36f738478c6cf41e8f4a57d3a5ecfa8999d45592f79a469d8af8554bf4d5db34cb79cec71ce103f4fde1b41bd3cce30714f803e432e53da71ea

        • C:\Users\Admin\AppData\Local\Temp\tsa.crt

          Filesize

          1010B

          MD5

          6e630504be525e953debd0ce831b9aa0

          SHA1

          edfa47b3edf98af94954b5b0850286a324608503

          SHA256

          2563fe2f793f119a1bae5cca6eab9d8c20409aa1f1e0db341c623e1251244ef5

          SHA512

          bbcf285309a4d5605e19513c77ef077a4c451cbef04e3cbdfec6d15cc157a9800a7ff6f70964b0452ddb939ff50766e887904eda06a9999fdedf5b2e8776ebd2

        • C:\Users\Admin\AppData\Local\Temp\~unins1546.bat

          Filesize

          49B

          MD5

          9e0a2f5ab30517809b95a1ff1dd98c53

          SHA1

          5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

          SHA256

          97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

          SHA512

          e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

        • C:\Windows\SysWOW64\panmapo.exe

          Filesize

          101KB

          MD5

          06799fea697cc2afd33678a058dcfbf1

          SHA1

          6c2ff4c19961a92194b1606d8da78021d084bd0a

          SHA256

          8568786be963045f391aff91ecc5aba1543595f8e7b6ab6ab16cac81b585adb0

          SHA512

          5036bf3400ba14be6abb3159357511a4010ed34ecd2f47026610683942d629d593b1dc0bc128fd0182ec1feed90c2c68667709ac7b4dbb1f3ccb4f06542113bc

        • memory/1260-62-0x0000000000790000-0x0000000000823000-memory.dmp

          Filesize

          588KB

        • memory/1260-34-0x0000000000750000-0x0000000000781000-memory.dmp

          Filesize

          196KB

        • memory/1260-33-0x0000000000400000-0x0000000000445000-memory.dmp

          Filesize

          276KB

        • memory/1260-45-0x0000000000790000-0x0000000000823000-memory.dmp

          Filesize

          588KB

        • memory/1260-41-0x0000000000790000-0x0000000000823000-memory.dmp

          Filesize

          588KB

        • memory/1260-44-0x0000000000790000-0x0000000000823000-memory.dmp

          Filesize

          588KB

        • memory/1260-88-0x0000000000400000-0x0000000000445000-memory.dmp

          Filesize

          276KB

        • memory/1260-90-0x0000000000790000-0x0000000000823000-memory.dmp

          Filesize

          588KB

        • memory/1260-89-0x0000000000750000-0x0000000000781000-memory.dmp

          Filesize

          196KB

        • memory/3436-61-0x0000000073310000-0x00000000738C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3436-64-0x0000000073312000-0x0000000073314000-memory.dmp

          Filesize

          8KB

        • memory/3436-37-0x0000000073311000-0x0000000073312000-memory.dmp

          Filesize

          4KB

        • memory/3504-63-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB