Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2023, 14:51

General

  • Target

    1ffdb0fded9c571732bbce07cd558c3c.exe

  • Size

    263KB

  • MD5

    1ffdb0fded9c571732bbce07cd558c3c

  • SHA1

    0166927f261604a9d52611a773b87af9e9972f42

  • SHA256

    c988aa2a29c57038eb57a72cb7422de9b47b3e46b7adcd584af528a65fbd960c

  • SHA512

    814f8e0790e167f50b622921ac34a2322b981a4e5364519f4087aa9ee1ba6a2b2018214f9378ed986571b184a54cace03bbe91b25885e83936f4f83205e1b148

  • SSDEEP

    3072:5mziHy4I9ws2ZnENfAojAsWOOsZqAYXYCYq5jzOf/JL1mNDEFRFNkxI792Nd:4Wy4IiseExAoMshZRYoCYqVz2L11Z7I

Malware Config

Signatures

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

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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\1ffdb0fded9c571732bbce07cd558c3c.exe
    "C:\Users\Admin\AppData\Local\Temp\1ffdb0fded9c571732bbce07cd558c3c.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\DBAAFIDGDA.exe"
      2⤵
        PID:2240
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\1ffdb0fded9c571732bbce07cd558c3c.exe" & del "C:\ProgramData\*.dll"" & exit
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:1448
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:2876

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\Cab4839.tmp

            Filesize

            61KB

            MD5

            f3441b8572aae8801c04f3060b550443

            SHA1

            4ef0a35436125d6821831ef36c28ffaf196cda15

            SHA256

            6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

            SHA512

            5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

          • C:\Users\Admin\AppData\Local\Temp\Tar48D8.tmp

            Filesize

            163KB

            MD5

            9441737383d21192400eca82fda910ec

            SHA1

            725e0d606a4fc9ba44aa8ffde65bed15e65367e4

            SHA256

            bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

            SHA512

            7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

          • \ProgramData\mozglue.dll

            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • \ProgramData\nss3.dll

            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • memory/2164-100-0x00000000008E0000-0x00000000009E0000-memory.dmp

            Filesize

            1024KB

          • memory/2164-52-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/2164-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

            Filesize

            1024KB

          • memory/2164-3-0x0000000000400000-0x00000000007CB000-memory.dmp

            Filesize

            3.8MB

          • memory/2164-103-0x0000000000400000-0x00000000007CB000-memory.dmp

            Filesize

            3.8MB

          • memory/2164-104-0x0000000000220000-0x0000000000246000-memory.dmp

            Filesize

            152KB

          • memory/2164-2-0x0000000000220000-0x0000000000246000-memory.dmp

            Filesize

            152KB

          • memory/2164-110-0x0000000000400000-0x00000000007CB000-memory.dmp

            Filesize

            3.8MB

          • memory/2164-112-0x00000000008E0000-0x00000000009E0000-memory.dmp

            Filesize

            1024KB

          • memory/2240-128-0x0000000002210000-0x0000000002211000-memory.dmp

            Filesize

            4KB