Analysis

  • max time kernel
    118s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 09:34

General

  • Target

    rbwbr.vbs

  • Size

    132B

  • MD5

    377cc069c81f7f2e2efb2c7e0d8e31d3

  • SHA1

    27fb7c79b874050dc8c3d3bd1537688af0bc337f

  • SHA256

    2e688c808a23566d30bad5953e7cbfdd2a2fd440be5bc6c6cdfc67530e2656ea

  • SHA512

    0ab63cefccea9928e3b598adab6c0c58f1072cfede1a37affd0bf0753b578e433ec64fdaecf96b63098b8538271cbb3de59ea0800d91fec2938d4bb87bae6f15

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rbwbr.vbs"
    1⤵
    • Blocklisted process makes network request
    • Modifies system certificate store
    PID:2636

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

    ebaef4fd0029103ef488af08476a48a9

    SHA1

    54d1e8edb7cf2d3e0103ce5ec292c18ae7e3543d

    SHA256

    78a545a9c3a1a0bac6a962b5c137dd18eac37ea3ef30bd4850f2c8ff985a739d

    SHA512

    c3325f75452c96f8da97fdb2fa51926a3634ee70cd3f446916dbda0fe8e71936d768628c3695f397879c88a927ffbe5b7cc4579a790c604d95876445dd1f13e0

  • C:\Users\Admin\AppData\Local\Temp\Cab9520.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar9590.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf