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Resubmissions

02/08/2024, 18:55

240802-xkzn9a1bkg 3

Analysis

  • max time kernel
    133s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 18:55

General

  • Target

    Release/System.Buffers.xml

  • Size

    3KB

  • MD5

    1c55860dd93297a6ea2fad2974834c3a

  • SHA1

    7f4069341c6b62ecfc999a6c2d8a2d5fb59d44f6

  • SHA256

    2ec7fb12e11f9831e40524427f6d88a3c9ffdd56ccfa81d373467b75b479a578

  • SHA512

    37fa5d4553ca3165f10e2ffef38fefc0dba4a2dbfa05ab9f09ab87b5f71f30e6d965d2f833f58b50b3bc2529ebe8fb5cc431c264f7b47ad026f5c5a874a6ada1

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\Release\System.Buffers.xml"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2624
    • 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:2088
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2088 CREDAT:275457 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    fc38da53c8d8e798f6b3c264719f538f

    SHA1

    4ab7f4fa01d29baa95f798f2a8b1724341b5794a

    SHA256

    22abe09c5e1cb53f1392d9b62636cefe7c4e5096912566236d57e71354730617

    SHA512

    a4dd007eaa6ee46dcd81025ffd978a60b5edca878393b429f79472d5ac84c17102a91ab5b944a9b4e9895c647cfde99b80d682a977bd0bfc1d5b6c8e776590dc

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

    Filesize

    342B

    MD5

    b1c73b330819d568fba1aa255a23da12

    SHA1

    732ebf48a6ebad4c6fb2f2e7d987d9430aa86933

    SHA256

    ab3c8810ecb16bfb874b780ad0b7496991bc2d28f17e55bfbc468add830c6e38

    SHA512

    eb1075270e3242068c7139f444ef598ec18d627a8f6d851d995ea4e4b80989fede517611cc71dba5e20637b0152035513c9f691a3f9a9a1e3a86b288ee478992

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

    Filesize

    342B

    MD5

    294669673cc57764245c374118d52017

    SHA1

    c47253f09b798bcc68516d10a53417ff82946c12

    SHA256

    fb8b18f038b3974f2d3bd5cfb89b052fd59f8367348d59647245f0afb7f306d2

    SHA512

    9068f58ef4b091014d3caa93d171421c48aa837f52bae073fcbc1cbec82795a91e640be7ee963fe2746679c310b2a52b7c6e5a6a4f82b7d6ca15c937237b4d40

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

    Filesize

    342B

    MD5

    7a99eff51fbf55a2af4b17ee54f269a7

    SHA1

    5551d9ded12ded179847d143a569542116e3f1bf

    SHA256

    424acf22dc67194d77ad724e6544d2b0a3b690d8e5b52e7bfa08dff4645f6b84

    SHA512

    66dfc2cb81e1a7c52bc795657815720d562536ec419e88ef1e011723c6773bed4e6abb55580c48ffe39750fe13059e637c760fd7d09173bf5b179e78f1df96d7

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

    Filesize

    342B

    MD5

    5e38c0bf742ff9cabb3284739fa685fc

    SHA1

    8e6032d58852bc340c3ba8cc317ee9ae6079dbbf

    SHA256

    7a1e4ac9771d3da77179c9cec49622bb7c8f4e9a8af0622731c1bc9a6167ccab

    SHA512

    16fbedcc19168547e25485c0fab563fc0abbe22e6e20fe0e681ff8d5f5aa276b5265b04645dacdf696a0c07b617c21490d142d53dc2733133e8a7ea67b5b869c

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

    Filesize

    342B

    MD5

    58c6668fd8cce3180e213909f45c63ad

    SHA1

    0aa39c03f057e2800f8a3ee2f9cdb86318e8a190

    SHA256

    f18a66c50f62220b8588902e521d8971b35003a79064dfaeed8db53eb10d2807

    SHA512

    81c2aedc6752ad07f1912eb9c7093595957108a9d623c1777b7a0bdf189df155ffd27ae9b95ed7f4bcd07f6af975d15621b34b649a1302702b83595e3f911d7c

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

    Filesize

    342B

    MD5

    0c44b10503831b1b65b6a83ec88690c0

    SHA1

    a534f0795af2ec6e34b369373d31813d28aec208

    SHA256

    cccaa6ca935a8cdbac0aaa58e0ad42d16f0d11d3a816e6cab76760257e543ac8

    SHA512

    704481cce9403459dfbb25f5f2caf79b331e8781ba0cb016098a00f744b54110e2e715e1387076f0e1aedbbe6226d01c12db4a5736748e8dca1576e4ed45d896

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

    Filesize

    342B

    MD5

    d083315ee052c127dbca5a91891e5f13

    SHA1

    f24412b0252a5c76513342d78bee39f68d467b01

    SHA256

    b8b4ab250e9c73fbf2472a8fd2e0d2c4b567bf3df0d590c5df7a0c7eff3faad0

    SHA512

    423b47735b070c1a0291751963c4e3e8b57bc9b71d8e0327962e3305130c652c9e5bd393d1c30678a47a34dfb1577c74c73d592e3496a5761f07e351c28ba179

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

    Filesize

    342B

    MD5

    4bebe7216570863c4b34124e1e4aafd6

    SHA1

    3090bc8e4296962a0b55157f524fa25ba3f61d24

    SHA256

    409c3c6237af0dec8d0dba7e1e2f4b6d9ff8336c0156b7bae9290f26838ce0b0

    SHA512

    152be4294e70051e9aba6cebfed9335a18ad406fd6e57851ae71c70a6799cf86393c9ca9913ee79456a82a43b6a1d4c9aaad3585daf74a9e93f33f391d2f7869

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

    Filesize

    342B

    MD5

    0866b25d697ae68ced1c604fed0b2366

    SHA1

    bc355a0b1046023ced2a798af435d1b027b9ad7e

    SHA256

    5ffcdd7674090358e2e5b5f7d8bd5a8586d14904993807c4473026d17eb8eb31

    SHA512

    4dd987b94c55190b805023b6d32fe6ee335677172421dd106204ac18aaa1fe13a614402258dcf88f1461107e3116a3b9b4ce9556452f9a3d6fb99addd5a6d647

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

    Filesize

    342B

    MD5

    bd75e20b1bbcd4ca465e4c558d55cfe7

    SHA1

    7aca6acbc221aafdc27089c9191a82459f41bf21

    SHA256

    723925c32597ab01d37455143c97a197f11ebff91b922525c9da4412a4ddb59b

    SHA512

    088bac9c8a2ae036091357cae1c8483e5d93f5f73cc1b0fc04c0fdd2075030f71dcf7834ef1f881b010a5da572aa9ea0fb562ade1a5c9b78e49445b2901adb50

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

    Filesize

    342B

    MD5

    7dcfe95d0c9d20de9c8375a434d53c87

    SHA1

    4b9eed15316a4808591da54ba47c296faad3d955

    SHA256

    31ebad0089c75b9d034b072bb17761d5689e0bba43510877b39cac6687d73738

    SHA512

    ca0031aa0b13448e8145c7d847f762e67128ff66dc534886f73d6a53c320b4f0f5bfaf9e435c68ee0b3f2b5e701b3c02f5653c3c3a37e18abc94104aeb63cd7f

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

    Filesize

    342B

    MD5

    09839d7c49e52c279da852ff4864ea00

    SHA1

    4eba08bf3493f97c4f28f0c773ab4ef58dc785a0

    SHA256

    f7f6101bbb7c9974c160b85c0b99c90eb4c19a834cf5d6ecece4e8994c87e553

    SHA512

    9bef3b8e03b56207df05d8d332477ccb0971bdf27ca79f9b8d1e7040d011663bf95c092f715e1c27cf3ffa81df6c1fd20c95283882b2dbad1f79a74e4f8827b9

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

    Filesize

    342B

    MD5

    e3c643ec580e432b9c4aa28995cd6d58

    SHA1

    ea9ce3db7ab400c8d0c7837e8fba83af5ea90b29

    SHA256

    45df31aeb394b3fa51e685d5530982661061347537d09a2f543f6f9aff4d6c6e

    SHA512

    df96fd8cf3348de4e83ff2c45baf4fd5602e0de86f638ad8a91f0eb98daab673a4c4a6ae95c293c8c68efe29db047c846e520eb89cbebff9807e93c326d517c1

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

    Filesize

    342B

    MD5

    8cb6eb4071d6623dec7cd13439eed0a3

    SHA1

    8f2d5fa204a48b66a88b05175ea849af0df0d55e

    SHA256

    701c91c0c4b9476267b3c3edb3491b1003b931186e98f246b39ee4f209c499f7

    SHA512

    38a97afa1ef4c8ec94f9dab8654b868758c6a2389d3af95fdf06b73984916b84ae2d1039805963e75426999023a5580b2a3d3c921a28add1bd40523885f1bfa5

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

    Filesize

    342B

    MD5

    3a2a6a6a71e8d3110a09e4071f3af816

    SHA1

    9cb0bf1ca144dedb246c5280c3131f1cb76878d3

    SHA256

    d98b3c5153bc280a509ced317ccb409ac03b7b5b377d248d7a1a66e0925ad9ad

    SHA512

    4dd580fd978e42fbb08d79b4ca25688641f3a41275cfa9adf6bf07e1bd3a21667cb1132c963f0efb5aee8f908de0f6810e80c7f3180d3c75afa9e38b8a0de4fc

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

    Filesize

    342B

    MD5

    3e23a11fca0c1aad36e5a5a8c702b3d4

    SHA1

    2c995700654e8ca8e68e3f327b0b8e8d93f6a132

    SHA256

    dbee4fc33c9c4742cda10999576f0dd24449a0ab5c2ffda39a9cc05cb9396820

    SHA512

    ffc41273a40672f08d6efc84be7a0cb62556a3c17dec2e697a72c257dfb85095c45a6f8416f0bf3d8ea4f69c2cf3d04568d11bd22d7e0e3462e4813dc6d376a5

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

    Filesize

    342B

    MD5

    15e131c03533c00d71446961a7d2c844

    SHA1

    2ab6285274b048c06c4a3ae23a23c695fc3228d6

    SHA256

    6e9069b1bd7f4dbea324c10cf594a928ff3bf07b2fe70831506898fd113357d9

    SHA512

    2c1da2daecd9eb3bb92fad1143524a4c5c5872112717fc4ace170c4a895cf8500a4308c3530e8796c806ff1ce0e5cba27e51033d3881ebccd873122c2c6fd213

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

    Filesize

    342B

    MD5

    47bc6494d6393f092952bf2bf83c7f2e

    SHA1

    e223ac794a1b200d326bb48ebb84c6bcb6026aa1

    SHA256

    75b3be5428da4a395249856d3de7b339ba2c856c0d2115f244105f5d4fd295f7

    SHA512

    37393e9b415414f53a4d4dcd57b846aca5783b0f42efedb39559f357090c96cc3ef722e544ee400e561db9f53ba28b75e7011b811c615474455a685fabbc9b60

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

    Filesize

    342B

    MD5

    8e1632d697c63f928674ec586501c51b

    SHA1

    36ac3259d8294c9015d8f930b9bdb9763f113d1e

    SHA256

    f026c80c5f305052ae5c1c2c4c2adf811eaa84b7638107dedf505acce992c33e

    SHA512

    db5586b5d03e2c99aa58a92f33df3fc3380c9e78202de4f791316b1cb28735a98a5fb9d6de2f142f8f8c77699a82d5c1550548691abf9fc4eec0e7e986babce7

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

    Filesize

    342B

    MD5

    593be5cbb856dd52b4128ac955108dae

    SHA1

    b02ad513929b97094e4056094209c5acc639e7a3

    SHA256

    6429c84608e75b86b079de2409945567fb8dc444e79970b9739aa0d8e2b599c9

    SHA512

    e7bffdd36ca2eac97291ffbf7b3bb1c6181d433cc90aa8cef381982f46c0e64ab94197589fa8780d1312efd6e73ba30cf2a99e2c398cdc77664df34a805d5237

  • C:\Users\Admin\AppData\Local\Temp\Cab705.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar766.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b