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Analysis

  • max time kernel
    201s
  • max time network
    220s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 08:24

General

  • Target

    NEAS.fc77b8a2f2192a63ab32391b4c4c5690.exe

  • Size

    32KB

  • MD5

    fc77b8a2f2192a63ab32391b4c4c5690

  • SHA1

    cd9a152f56185291b8ca354008e7fc3ce699418f

  • SHA256

    926a4569c3ad16acee753993d5f867a3e4b8667777e1e437eb62dcbbfda91acd

  • SHA512

    478a23051d4b303123de552e2920e33951c12bb8644378f2ee7dcdae79e5d7795fe0c5a276ff6537542df3bca7b6be329f29829880e87dd363f7af1a9a2629bb

  • SSDEEP

    384:/QaQWRIgS3Wvr+DipTy08EqgBq+MmOjso7D4bHIin+5amcz/CzZQ0OgP7iOUG7:/fhR+SEipTyC3Bq+MFhC+5amYCNMOF7

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.fc77b8a2f2192a63ab32391b4c4c5690.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.fc77b8a2f2192a63ab32391b4c4c5690.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6E30.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar9ED4.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    32KB

    MD5

    3b6d8205687d3ed8bf983a42547148b5

    SHA1

    d5b164379788b405d788602c6535e0f1432b4370

    SHA256

    aace5272059a7d10d6358fbcc2d0d099da7acd3af36b1000563651adda0c90eb

    SHA512

    b6f6f38146de808b3cd881389d12e76457f6569f7a89f535755931b1dcda5ca178ad374ad1c314e7ef5f0e6f895c9eeaea36b56b747a25d1e835a3e1e3548b16

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    32KB

    MD5

    3b6d8205687d3ed8bf983a42547148b5

    SHA1

    d5b164379788b405d788602c6535e0f1432b4370

    SHA256

    aace5272059a7d10d6358fbcc2d0d099da7acd3af36b1000563651adda0c90eb

    SHA512

    b6f6f38146de808b3cd881389d12e76457f6569f7a89f535755931b1dcda5ca178ad374ad1c314e7ef5f0e6f895c9eeaea36b56b747a25d1e835a3e1e3548b16

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    32KB

    MD5

    3b6d8205687d3ed8bf983a42547148b5

    SHA1

    d5b164379788b405d788602c6535e0f1432b4370

    SHA256

    aace5272059a7d10d6358fbcc2d0d099da7acd3af36b1000563651adda0c90eb

    SHA512

    b6f6f38146de808b3cd881389d12e76457f6569f7a89f535755931b1dcda5ca178ad374ad1c314e7ef5f0e6f895c9eeaea36b56b747a25d1e835a3e1e3548b16

  • \Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    32KB

    MD5

    3b6d8205687d3ed8bf983a42547148b5

    SHA1

    d5b164379788b405d788602c6535e0f1432b4370

    SHA256

    aace5272059a7d10d6358fbcc2d0d099da7acd3af36b1000563651adda0c90eb

    SHA512

    b6f6f38146de808b3cd881389d12e76457f6569f7a89f535755931b1dcda5ca178ad374ad1c314e7ef5f0e6f895c9eeaea36b56b747a25d1e835a3e1e3548b16

  • \Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    32KB

    MD5

    3b6d8205687d3ed8bf983a42547148b5

    SHA1

    d5b164379788b405d788602c6535e0f1432b4370

    SHA256

    aace5272059a7d10d6358fbcc2d0d099da7acd3af36b1000563651adda0c90eb

    SHA512

    b6f6f38146de808b3cd881389d12e76457f6569f7a89f535755931b1dcda5ca178ad374ad1c314e7ef5f0e6f895c9eeaea36b56b747a25d1e835a3e1e3548b16