Analysis

  • max time kernel
    130s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2023 04:24

General

  • Target

    NEAS.48870921174739209413bf1d976ba790_JC.exe

  • Size

    26KB

  • MD5

    48870921174739209413bf1d976ba790

  • SHA1

    1885c1e43b2898fb9760304881541dd177f128b5

  • SHA256

    c6be9420fa9cf60b5b5691503afd506cb63d5eaad3aa415a47e2390f32b762fb

  • SHA512

    cc416607b95cc05a43adad18fff439b371f95b6eeec10caecc74cc5e283dd231c81c01ab7d76efc51d04c272ce8b6bcbb2a507bfe54be88b9d37764094f0307a

  • SSDEEP

    384:uu/JYSrFQjGxzfNHP151QUzMk9hBcecy44hLyG+mHDiJWs3WWST:d/3xd1HXzoy44hXPjiJx+

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.48870921174739209413bf1d976ba790_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.48870921174739209413bf1d976ba790_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\update_pdf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab9697.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar9707.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

    Filesize

    26KB

    MD5

    636073acb29bffbf85ebdcd5ab485274

    SHA1

    0d5b179aae0fb19483a4d98b1d6787e625d4188f

    SHA256

    daf32c345ccb8501da6e651dea38b8e104a93e8db644130b30b315cdbe3282a0

    SHA512

    cfd77935040695df929e4237be3e32032c85be0b699d0c88992a1da615d7f1fc188364c1e81d66d2d7e21781ef06af299e92cf4b31eeb289e86979182692c592

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

    Filesize

    26KB

    MD5

    636073acb29bffbf85ebdcd5ab485274

    SHA1

    0d5b179aae0fb19483a4d98b1d6787e625d4188f

    SHA256

    daf32c345ccb8501da6e651dea38b8e104a93e8db644130b30b315cdbe3282a0

    SHA512

    cfd77935040695df929e4237be3e32032c85be0b699d0c88992a1da615d7f1fc188364c1e81d66d2d7e21781ef06af299e92cf4b31eeb289e86979182692c592

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

    Filesize

    26KB

    MD5

    636073acb29bffbf85ebdcd5ab485274

    SHA1

    0d5b179aae0fb19483a4d98b1d6787e625d4188f

    SHA256

    daf32c345ccb8501da6e651dea38b8e104a93e8db644130b30b315cdbe3282a0

    SHA512

    cfd77935040695df929e4237be3e32032c85be0b699d0c88992a1da615d7f1fc188364c1e81d66d2d7e21781ef06af299e92cf4b31eeb289e86979182692c592

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

    Filesize

    26KB

    MD5

    636073acb29bffbf85ebdcd5ab485274

    SHA1

    0d5b179aae0fb19483a4d98b1d6787e625d4188f

    SHA256

    daf32c345ccb8501da6e651dea38b8e104a93e8db644130b30b315cdbe3282a0

    SHA512

    cfd77935040695df929e4237be3e32032c85be0b699d0c88992a1da615d7f1fc188364c1e81d66d2d7e21781ef06af299e92cf4b31eeb289e86979182692c592

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

    Filesize

    26KB

    MD5

    636073acb29bffbf85ebdcd5ab485274

    SHA1

    0d5b179aae0fb19483a4d98b1d6787e625d4188f

    SHA256

    daf32c345ccb8501da6e651dea38b8e104a93e8db644130b30b315cdbe3282a0

    SHA512

    cfd77935040695df929e4237be3e32032c85be0b699d0c88992a1da615d7f1fc188364c1e81d66d2d7e21781ef06af299e92cf4b31eeb289e86979182692c592

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

    Filesize

    26KB

    MD5

    636073acb29bffbf85ebdcd5ab485274

    SHA1

    0d5b179aae0fb19483a4d98b1d6787e625d4188f

    SHA256

    daf32c345ccb8501da6e651dea38b8e104a93e8db644130b30b315cdbe3282a0

    SHA512

    cfd77935040695df929e4237be3e32032c85be0b699d0c88992a1da615d7f1fc188364c1e81d66d2d7e21781ef06af299e92cf4b31eeb289e86979182692c592

  • memory/2976-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB