Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 08:22

General

  • Target

    NEAS.ef70ee6bd4ba69fe21245cb49f7be1a0.exe

  • Size

    76KB

  • MD5

    ef70ee6bd4ba69fe21245cb49f7be1a0

  • SHA1

    736da9476065b8a61a6ec46b6590828febeb3359

  • SHA256

    5450b8963409931838e2c07df32e0737bf1dcb86eb5395dc13ab2a3a9df28643

  • SHA512

    bc3718f0ca97ceb44ed33b47a1e062e9408dbc36feceb513001ee4b9447500fea2d82b86311909ee023ec7efed82da852d04d57300991b9f87e3f628f0a955bb

  • SSDEEP

    768:fT2NXnFk5dPsED3VK2+ZtyOjgO4r9vFAg2rqZG+f5:C1SYTjipvF2X+f5

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 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.ef70ee6bd4ba69fe21245cb49f7be1a0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.ef70ee6bd4ba69fe21245cb49f7be1a0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe
      "C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          344B

          MD5

          7a5b04962ece00fa97a71794fe3940aa

          SHA1

          e62a3c355408206ec3b41ac1bf1997be52a3ca1c

          SHA256

          4459779f398f2fcec4a4d9cdbd0673ea4847d52c9837fa52d913480dcc18c54b

          SHA512

          2af8f4944b84b94eb48f3d05312e09fd728786b4110150697e9e84a890feeb4039727e4f1a455d7c803cb4bb804cfd2f3b2ebd1d16a1ab87d9c1da82ba8e401e

        • C:\Users\Admin\AppData\Local\Temp\CabC42B.tmp

          Filesize

          61KB

          MD5

          f3441b8572aae8801c04f3060b550443

          SHA1

          4ef0a35436125d6821831ef36c28ffaf196cda15

          SHA256

          6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

          SHA512

          5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

        • C:\Users\Admin\AppData\Local\Temp\TarC4EA.tmp

          Filesize

          163KB

          MD5

          9441737383d21192400eca82fda910ec

          SHA1

          725e0d606a4fc9ba44aa8ffde65bed15e65367e4

          SHA256

          bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

          SHA512

          7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

          Filesize

          76KB

          MD5

          9ce98d2024a01ebe72c177e4dcd11dc7

          SHA1

          ec7bc06bdcb1562f90b7b7727d810c3fe176bb4c

          SHA256

          a3447f8569b6a37935cde7b91277eae96106ca86a5aefc52c09deb48af73164f

          SHA512

          2f05ec260d6f12d6ff10f356c3c19d7ce16cbc4a0aacfe2d9a624d03863691942b725bdd58635b2eacfde008c341174f4a91257fba76a2d223018634f5cc4468

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

          Filesize

          76KB

          MD5

          9ce98d2024a01ebe72c177e4dcd11dc7

          SHA1

          ec7bc06bdcb1562f90b7b7727d810c3fe176bb4c

          SHA256

          a3447f8569b6a37935cde7b91277eae96106ca86a5aefc52c09deb48af73164f

          SHA512

          2f05ec260d6f12d6ff10f356c3c19d7ce16cbc4a0aacfe2d9a624d03863691942b725bdd58635b2eacfde008c341174f4a91257fba76a2d223018634f5cc4468

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

          Filesize

          76KB

          MD5

          9ce98d2024a01ebe72c177e4dcd11dc7

          SHA1

          ec7bc06bdcb1562f90b7b7727d810c3fe176bb4c

          SHA256

          a3447f8569b6a37935cde7b91277eae96106ca86a5aefc52c09deb48af73164f

          SHA512

          2f05ec260d6f12d6ff10f356c3c19d7ce16cbc4a0aacfe2d9a624d03863691942b725bdd58635b2eacfde008c341174f4a91257fba76a2d223018634f5cc4468

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

          Filesize

          76KB

          MD5

          9ce98d2024a01ebe72c177e4dcd11dc7

          SHA1

          ec7bc06bdcb1562f90b7b7727d810c3fe176bb4c

          SHA256

          a3447f8569b6a37935cde7b91277eae96106ca86a5aefc52c09deb48af73164f

          SHA512

          2f05ec260d6f12d6ff10f356c3c19d7ce16cbc4a0aacfe2d9a624d03863691942b725bdd58635b2eacfde008c341174f4a91257fba76a2d223018634f5cc4468

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

          Filesize

          76KB

          MD5

          9ce98d2024a01ebe72c177e4dcd11dc7

          SHA1

          ec7bc06bdcb1562f90b7b7727d810c3fe176bb4c

          SHA256

          a3447f8569b6a37935cde7b91277eae96106ca86a5aefc52c09deb48af73164f

          SHA512

          2f05ec260d6f12d6ff10f356c3c19d7ce16cbc4a0aacfe2d9a624d03863691942b725bdd58635b2eacfde008c341174f4a91257fba76a2d223018634f5cc4468