Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2023, 21:19

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.24848.3090.exe

  • Size

    275KB

  • MD5

    dda4fb7debe83135087e6e1965982cff

  • SHA1

    1f5046d4f5ef48a414ec8b3f0e6bd852535fb5ca

  • SHA256

    1b64126ea9a672c967f64b6b379d3a1643bfda0da2bd58f66b07e16c8fd1946d

  • SHA512

    897d7b62af3786b74be87908b3c4d38b5c901082dcbef9073773cfa765331330750109b3009d149836a748f72c56d265f9576402fa8693befc89678e28b6ac74

  • SSDEEP

    3072:BHN0wp7/AcRnTG1ytiiGa9k9Kap7q9lSMCMc0Ml92PtjAVFUpxzS:kkjDnqDasKap7qeM1cD9WtjW0x

Malware Config

Signatures

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24848.3090.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24848.3090.exe"
    1⤵
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\EGHJKFHJJJ.exe"
      2⤵
        PID:3044
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24848.3090.exe" & del "C:\ProgramData\*.dll"" & exit
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2056
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:1620

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

            Filesize

            344B

            MD5

            e966bf13ac30d256e785130876e438fb

            SHA1

            cc97b0de9ba15ec7f350f23e16d3ce4d43e90f88

            SHA256

            a4c5dae79fe8d33617056a2b238c95d24e66a67f997d9d32739e96ca4a0366bc

            SHA512

            ca863ffb56e0f2c71d1bc7c8f36f2b6d8355e0442edb5df1955c1d9631a6b99f670a2ca2f474243b8730bc3be181e7ad2a457bb69805dffdb3caa7d4e06d1442

          • C:\Users\Admin\AppData\Local\Temp\Cab4A3C.tmp

            Filesize

            61KB

            MD5

            f3441b8572aae8801c04f3060b550443

            SHA1

            4ef0a35436125d6821831ef36c28ffaf196cda15

            SHA256

            6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

            SHA512

            5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

          • C:\Users\Admin\AppData\Local\Temp\Tar4ACB.tmp

            Filesize

            163KB

            MD5

            9441737383d21192400eca82fda910ec

            SHA1

            725e0d606a4fc9ba44aa8ffde65bed15e65367e4

            SHA256

            bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

            SHA512

            7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

          • memory/2492-1-0x0000000000990000-0x0000000000A90000-memory.dmp

            Filesize

            1024KB

          • memory/2492-2-0x0000000000220000-0x0000000000248000-memory.dmp

            Filesize

            160KB

          • memory/2492-3-0x0000000000400000-0x00000000007CE000-memory.dmp

            Filesize

            3.8MB

          • memory/2492-138-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/2492-192-0x0000000000400000-0x00000000007CE000-memory.dmp

            Filesize

            3.8MB

          • memory/2492-193-0x0000000000990000-0x0000000000A90000-memory.dmp

            Filesize

            1024KB

          • memory/3044-210-0x0000000002250000-0x0000000002251000-memory.dmp

            Filesize

            4KB