Analysis

  • max time kernel
    118s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 19:47

General

  • Target

    KRNL-REBORN/krnlss.exe.xml

  • Size

    202B

  • MD5

    0ed4b3831ff5e91dff636145f68aac4c

  • SHA1

    2d1140812945dc1b9e400a88c911803639cb2e49

  • SHA256

    03962ae5a55dfc70e2717771a9a7aa37b956b2c5b4c62e3cff9fe24360250347

  • SHA512

    4039d0272678777ba6fa496baf875050bd4c29352fffd37af8c3c07fb2abeedc54ba04a3dd085b491d848e951ccfcbd67ec7ba50a10ec0c624df45e98c18bf1c

Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnlss.exe.xml"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1724 CREDAT:275457 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    ced8128157f981f08684b32fdcc11446

    SHA1

    7b6b66aa961813ee3b656e82b424b2340446de51

    SHA256

    ad39673ca0b03ff807ac559a7abc7e9eacb3d39728701ef327342caefa2a4b0b

    SHA512

    e32b4a3b38264705f02b8ac9cc1b56e73f772fefbb379c3a4bdad292d8b44ac9ec2a0685086c5917c9674f3a0a11f6874a70bcb0efaec691e581971cdcbbfb07

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

    Filesize

    342B

    MD5

    00835755cde35ebe7ffd7694e3b5f935

    SHA1

    f9325f6264ffa39c7a3612c6b689265d16771229

    SHA256

    a43a0baad32c4c6527d4a21177c62c1cf75a9eb35bb2ea8e595697951b743d87

    SHA512

    874d60755c012524fa8ada116adb99f86aaf20fc727e73b27c52500b1c3c66a39b1b3d92757b8f3ef5e79cbffdea9e02678c1acaf7b69663d7759b50a156082b

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

    Filesize

    342B

    MD5

    16c857632851787cbc6b1a8deea3dac7

    SHA1

    a7e9bf57885c2836f60dacd40ccb41e64564255c

    SHA256

    29312cc01f5cea706a64b04dd270bcd43b6a23c5463467bc93f68fe92e237553

    SHA512

    f2ef5512dae65f8ffd3a4d30b54c5b80bca0eed11bb41a32fa459806126f78533f45e3084b4b40af3ac8f97eeb18a839b509fa5adb88a5178c80481e99b90c61

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

    Filesize

    342B

    MD5

    e710e34464e91d692276b5b6dfd6edd3

    SHA1

    dd06e0806fb13b1f80035d8f4ff7ffd36f7e78c2

    SHA256

    10035d0c0d25861fe6b1872d5ebf887165eb6c28e80a7273035a38638b55b054

    SHA512

    ba0042deb3c22d9f17ca0f0d0c2982448fe5c59ad17ef8775736787ae04ffe2afffb1eac2048123500b7ce9e75444591a7bfcff5c495135d18b5e27928316709

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

    Filesize

    342B

    MD5

    5168c3e7306433e6201740d702916b74

    SHA1

    c17bd0710011618cf09e8a44be76f48d50226542

    SHA256

    bbe74dae451e431991c297a5828b52f48c331533cd9c8104479f74531e290f02

    SHA512

    650db19990585b3aea4cbdf072cf7eda318711d41b0d4793be576be826280051d9a7aad141fa8102e442496a99af7e3bdd0089c4081631af86283c7a06861c24

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

    Filesize

    342B

    MD5

    6c6b85593a76009e61a00658a49bae4a

    SHA1

    a4acc476b38b08e2014c002382e1f321c5899023

    SHA256

    cc8dfb10f08872e31267cdb4439b779701646bdf17628ca468dd7b9e51176b8b

    SHA512

    cdfeb2f067857c56d647dd2f4f74121e1d89edd72f299f9dcdf162b50082bc8c2ea5c8262dd2d2a1c667fb42bc2cd482aae8de64d8a5aa5ad5c2a09424cba943

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

    Filesize

    342B

    MD5

    c0e29d819cc3d04801d931ce3cbe4f7e

    SHA1

    ef634809fb72fe6d6fd3af7bffeab07e44a74065

    SHA256

    71dcd52b1d2eff90552f663b498ac477dab7a79c33facd943f8ce9156495a684

    SHA512

    d85179a8a40ded95acd0d46b166e75811d536e696d6bce7fccefe83d91f1e0ec028a601258177800151ae4e70947f6a4bb14f2829754f8cd360cf5520aad0a2a

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

    Filesize

    342B

    MD5

    5d14f4337dc48f82ce887a860b04d99b

    SHA1

    0fdc8745a1895d87bd1e88a0f9598da4db812f7c

    SHA256

    04b144229a6294768ac7568fa0c619c23972796152121fc6b4d46e75b43b1b67

    SHA512

    29267fa4c740b6d5d0832827efeb7714b5a950d99abc863e50dad7448d79e2d319175f1be38ae9e4fb7893850ccd2914f521bd52c91b1aea2b90d346d424911f

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

    Filesize

    342B

    MD5

    218078edce05c0023ef548ca9acc2e01

    SHA1

    08b5e8b3f4d5f59d4b496c480a7b3cb206820790

    SHA256

    3df87c3edfb155429c6f50b977d8b263ce59544b17c06a885c84b32cc031be89

    SHA512

    bd7a67c4c78a8b1ba07930042330b916b25e5978d380f6a5db772a07301df3b93a7ba218fb7200b70b86a926afc430ea9c4a2d4805e1ce0815c79bf829a9f8be

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

    Filesize

    342B

    MD5

    ba52d4aa6dc3087169064b1b4e6adb2d

    SHA1

    d5e6cf18bef5407fab049ff74dd22c88c4e28b76

    SHA256

    9206ad80ab99cdb43d990aa0e5cf86d40bf955ca6b21592b7ab362259e80e27c

    SHA512

    4fc2d4a35399a3922fecabedeaab92996d1fa468ac2077db21bd35c91ac5540112430c75ab3ff5d976201d3b2077b5655f078648f77141f3270894118a33737a

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

    Filesize

    342B

    MD5

    86805bd6790e404d19abec640ae225c4

    SHA1

    404df01fb2beea9a700ee525dc702c7db64a4086

    SHA256

    f7dab2d515bec840d42750fc2d790f513ccc0de1e404517281254a9db3660149

    SHA512

    3a0f0c73c56cfe6c9ec7dafc638ab3388ecda101175e2a5b7e2d99508ace7197a0c9a31823a29886f6d6078041731fb72275b389d3affbe9c88dc4fd5bc1ce0d

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

    Filesize

    342B

    MD5

    31f495095c7aeea529d99ecfebbecaa1

    SHA1

    6af6bfcaf147c965f9e67545c904b4784ba4d8d7

    SHA256

    a0a13702d374efcccc621fe33064ab81e27564a807582531b126f18e184adc7a

    SHA512

    48e59dc68a0eb372f51fa5eef4406836112dd4b2b5fddc7e382bfced3f641d7588206bed93df59c105c8185dd76cb613625964ebc3ccdffd5ce61bcc10b4bfa2

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

    Filesize

    342B

    MD5

    b4f6bc9e17dfab81997079275708e6cd

    SHA1

    23fb6bbe9506d98338b97bf9f23ee59ee2fbf5df

    SHA256

    2a95fca8dd4c2c5a4b3e73344dda3f433f83d3e4c6cc1cab4c3671c8b7f24e1e

    SHA512

    9c1fe972e6b0b1840428f0d1d5bb60cee440ba7cce8a3551a3121bee292c5c13ad9355116d41bfb6007b38dff6d9073e5af1bc5c3c9a5484e3293789aa0dada6

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

    Filesize

    342B

    MD5

    879c1417baace61b80b9ce73c91e917a

    SHA1

    c6fad045416fb648a326205f21efd71e40b1c958

    SHA256

    729a726e84b34ee152262f9087b718cf560a8295e29c94b00a108b942f1d10c2

    SHA512

    8fa034ea4f2d7483f5409f158a191036df3360c615e86e20868891390c9d96b880c11a49bd7aaca1139cea62dae21315599548836cbb349cefd2285ea6dadf8b

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

    Filesize

    342B

    MD5

    940738ebea3d52da901c2fa7ec71b3c8

    SHA1

    9db601481517f6cc50b403a21090051a03fd8119

    SHA256

    895501f8cf8bfaf12c3d7b972142e059cf41ad2d6e9f63241892beb3e29e9296

    SHA512

    f33b8709a1069d4b35cb8cfc7ebaaed36a959e8050d69abe95d54d166dc3cc21c6fa54537ea96064ee9e6f248aed4e8c0c3ce2240469dea57a857f539f01a912

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

    Filesize

    342B

    MD5

    93c687882c3fe1f9774447a4baae56da

    SHA1

    48d6a101e5311b774303e9b0130d60be4335d141

    SHA256

    7d8668db57647968fba9eed21d17ac4686f21dc18edfb1063cf5dbda5bdb6c9b

    SHA512

    68c51a30abff8f68b7074e0c73632a2592e6bd73538b541b43e69af4491a5906d7f66fad69cfa8d4be3c90a04370337857395433800f711d6cfd039e018f9591

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

    Filesize

    342B

    MD5

    2ccdb9e52c31f85fd8eb18a2f0670eb6

    SHA1

    672afae11c2fab51308155d8bd2adda5f9d4941d

    SHA256

    a8caad77a328616d27b0a3f6f4711a9ddbd725cd501d1c3e9cedc472504af40a

    SHA512

    8ea5091cce35e89ed1f351cd9526ffff68d7ae0e15d53d8639ab878b70bdecf151a9a2b789d98f0a5574636f862326997912169c6c3431ed0049d91f239c3e8a

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

    Filesize

    342B

    MD5

    b2f52aba1b71631007a58bfc2b6bf2b1

    SHA1

    731f0d0e18f8badb7f5e9c3a8e2ce88d9e507321

    SHA256

    e292034c82d9877b4b2c40951c42198a99bed9b02efe76e7efb973a3d678b461

    SHA512

    9e0ae2ea3282806462c57f1e169804f41572104b3ac4ad07f02efa8b8b923f4b1ba082a68520ade8126ebc24ff012da105c88aa27b4b2606136716e890a06592

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

    Filesize

    342B

    MD5

    3a064e2e42de81f4bdbb13df3bed088e

    SHA1

    fd946ae07c07e7ac3d5973cd72115b8bd727ce40

    SHA256

    6f333047d600ac0297d38a0496143d5a140e913e88c27f78b9b533646609f520

    SHA512

    8a430ae4464753690403ef5caa53be6c5012275fe718d23cafcbc27b10870a19d56347b6cd42c6fc52629fe39965323bc675753830d9d485907920486efb5241

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

    Filesize

    342B

    MD5

    51a9a3a60bc5c4331e9ee9abcdf3b3c8

    SHA1

    7d7a098706c19a29d4503146606142355de74b6a

    SHA256

    b8b837572190dc0c863ce1af00d878826cab67e363f9deb3e54e50de36638ba0

    SHA512

    01c934a203739061fb102cdfdb669d51c39086fcdae78416154f554d8b1eade17c6ed728663e42d22da754ad1c7d9f85f202a37c88f6bbcfaba986e7faac58b5

  • C:\Users\Admin\AppData\Local\Temp\CabFD55.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarFDB6.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b