Analysis

  • max time kernel
    134s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2024 14:39

General

  • Target

    89c5b369142e8d9fb772cddbd3ed25f5.exe

  • Size

    17KB

  • MD5

    89c5b369142e8d9fb772cddbd3ed25f5

  • SHA1

    f7221d2d20f1f4559554f75e5cd5dfd02ff38b62

  • SHA256

    2102399e096ed9df1879890e957529f9484274c50a5dd3e6aaacf71eab12a378

  • SHA512

    510d157724da03fb9bcb9928290288db8041c100d904bbdc00dc259d76510f89299c6ce6a0f9160ad6f833793e6ede2a53dc1d75ac83f491035c0df1d6082786

  • SSDEEP

    384:htEEEcq8CIofVzYRWhsXVbCDVGgKTfsjt:hMIS/sXVb3PTot

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89c5b369142e8d9fb772cddbd3ed25f5.exe
    "C:\Users\Admin\AppData\Local\Temp\89c5b369142e8d9fb772cddbd3ed25f5.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2552 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2368

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

    7b684459f9acde49c23d0f79584139f8

    SHA1

    822a27a3c77017843263f04a53fd463188471ef7

    SHA256

    2bfcee30101aabb2b8f710d6352ef4d8276c1f19da2eaa6a7f45f3f2eb7fd6ec

    SHA512

    39c451bda31983a4205f72e8b295603df59a211d66df8c5478b36a33e870ebe693fb92381fc16f291ac5f66a280bf13c4379522cc7d96be611e4cee78410519c

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

    Filesize

    344B

    MD5

    c1dfb51b938ac62897215f769cdb0fb4

    SHA1

    8f19bb60b5e37d7e3ccba9cc6ac33e4c3773c800

    SHA256

    125a4fd5cc20444b3584f3950c3a5f7d954e2bf6301808cfb84478a5f339f144

    SHA512

    eee40f87ebddf47cd0c7b922c5391dd536d8817061b4117048943267416ba52d98e95f9d5ce5324fc65cb0f6fa528abb7dd991bb6b60e0b5ac8b4cde277df52f

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

    Filesize

    344B

    MD5

    e36e85c227bf50ca4a34e9040b64259d

    SHA1

    e38bd16b1488e50093b150181ff8cd675e485634

    SHA256

    ee67d7f9d33d3683ce43b69592a57a3756effc743d8511ad00711f64cdbc8521

    SHA512

    247ca87a1fc6eee533a8bbfee0554f976354e66027c9d608ae40d66e2730c647e2891839c0448ce2e574c924da56d96e175b1002ddf1a336d9621a767b7371bf

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

    Filesize

    344B

    MD5

    f9ad6c6d0ac3c51afe49235a40b068d3

    SHA1

    1d399802d1e058a62a87b00c950e7749a1032e76

    SHA256

    c3a080f261bb22a3261f078ba5065addf89cb58893b902d7b19039561c0debf9

    SHA512

    1da354f79faaa20e87362f3867bf6e650c031f143b78c3819ed26292a6c940fe38cdf636a84f3d0dc4ce397765f29b2f51cab25c380fbe849faa90eace50ab81

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

    Filesize

    344B

    MD5

    4a5d04bc1286dc2a60a5c67ffa1b4113

    SHA1

    8c2651c5bcd4508971a7bbaa7ed3c15699937f68

    SHA256

    82ce531aad3f335971cd1548cdc01f6315922dea58045429221d454f8ae3e72f

    SHA512

    0ac3adb8836963e6b4ec0ee8a59d53ca5b66981e523a4a6792d3c4ac89b72291624605561675b071156c030b8b42dc85cf3b7da31cc7f7e307cfcce795921e4b

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

    Filesize

    344B

    MD5

    af46ca3ed365a58a9d25d5f21d9a6fb9

    SHA1

    c0bb1c89db9eecfe1676fd52a2a9c3c0b626e724

    SHA256

    288ad24571c66359b5896e75f7475580c5435f98eb5ca70ebe82341944867fd0

    SHA512

    4b2608745532365f2b356165f6a1e07fc424f779ae2c240f5ee8107654373e86173bdc45e0e0fdda0e21c76b5213a0a02f3d7dc593247dcd1cdcf81305cb8e62

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

    Filesize

    344B

    MD5

    5d52cbf6a3065c88ca4602e31a4ceb87

    SHA1

    54e9e63aa7b24e1d0a91ce61f5d9e843b173c4b2

    SHA256

    389f9cb3dd9a9bfa3c3cb7495791ce209256441d72ed46af256ec2b323d39969

    SHA512

    67d5f35f3c896ca99e250e7714451bf5614582e61f8cbd8b53b6489671be17ffa51b79482d54cde9365d7388e7606ab3b87189a71a7cfa056e46f45d0d8e8b9c

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

    Filesize

    344B

    MD5

    77afab21c7c40ea7a84eb87164b7a58c

    SHA1

    5c30376108d198baba8f6d6b1b2ee6eb681560fe

    SHA256

    7d0493834e1955ddf64af006188346a7d0b937b55fc404df738c111069554fd7

    SHA512

    644bd6cf844b440ad1c7906911a31ca51475bab8ce46f0ad2442eea2d60fb1e967b182783b3528f1a32eaec5f11e9da4ad01556246299102dffade7505d58c6a

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

    Filesize

    344B

    MD5

    01f87ba79846f7bdaa8ef00163efdc78

    SHA1

    e76166eb9b669117b30a9afe76d784f1cee3e539

    SHA256

    076439514c150ecd06e6493de41a6197881acf36d0ee44809e436aa33ffe048a

    SHA512

    beb0d2c1a44e09c99187d5d9932e7be40eed98ba348c64cd6b9b8e0de74ea1d6b81d456543d70d7eb00aeff11053e05fc0ab6b68f4eb346fb2269f249bdb7980

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

    Filesize

    344B

    MD5

    49f7210349013c397911634bc6528752

    SHA1

    2a02fb49d16bff1f7a21702ae189b5918ee20b92

    SHA256

    3840ab637134115a49b9f82df9eea89a4bccfcbe59ae5b84d670411c79cfc636

    SHA512

    270c8ce66dfc23e472292325537735d917f2d4ad0503338070e4354c24305fe09de790fa3acd0b3bff6c828516a655ac07407f5ba6aebe276e0b3da8ae5f0dde

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

    Filesize

    344B

    MD5

    c5fc207305849fdd1a4a4cc7902fc774

    SHA1

    19bc6d05c6074ba8b44099437774fa80f4130060

    SHA256

    efa1a768830d5ccb1d866e8e655bb9a90d62e468c7bb585bb26dabf749935269

    SHA512

    e29249b8d6d5ba617c3816ce4d0a248702055623d232bf73e704847c3c0062afa750df3eda127436b32eb6fa779e3c5d2b810dcab6dd1df633d07808231f0c0b

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

    Filesize

    344B

    MD5

    c40ce5d41e0c970f13073bf12facb5c5

    SHA1

    017be8beafd8bd36f740916741409adb568721d7

    SHA256

    1e15c35f8b19931dd3015c57938f0e1aabde94feb5a266b03e6a18973a2b3bc4

    SHA512

    f52faae508396575a10d0becbe93353dfc675ca97c9d3196dc87cb615cd75b0a698563b095bcc13decc29bb3c27c1b2e02d3ecf99cdd2fe7f9055ec7913b78a1

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

    Filesize

    344B

    MD5

    966f0b4a1e05d95f5fc90dfb1013dd09

    SHA1

    0030b94f2cf3c5ccec846a80e4936047d4e0ae8d

    SHA256

    418ba879a5b0538309d4f774fd10ccc7c81912c494eb3049fbee573d81103ae9

    SHA512

    c4d4841df36db861c1099f6fb9b152317a2b5665251af35c898759d8773a03a97150ab1105be60a536ae6078f77dca6d8f645df9ef905e7c12ab53ce6917c052

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

    Filesize

    344B

    MD5

    0f7346b2ae48c460d495b3901898fffe

    SHA1

    47d2118b414464586317b18d40d4923ce5abb3b1

    SHA256

    a4a92e343c3b34ffa3b3a3dfab6dad4942a71c71a7c77867f6c6f8d8fe269dde

    SHA512

    1deaf8adbadc7f20bc193e4b13a7d04db7792abd14794b0b5f09d692e0285ba612bb3f82d5755d0128e3672f62ca14e56b33b0c0755562b634dae706ab35a6f0

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

    Filesize

    344B

    MD5

    dd16d73a7e72841577975ed9f705ce85

    SHA1

    e7f94c34a5ffc82838f703f62ac1e0cac0b6081b

    SHA256

    23f2c88db75e3fcd9c37c38c74d38fb7d8d1bcec92689f949f8698599dcf2bfc

    SHA512

    abbe66b2e6476d4af394c9c5072813d621ceb3a6c5d8d6df3f3306ea5d5750c4d88241475a0ca6f5dd88f93269e64ecc7fd626546a7d164d458030395901ce4d

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

    Filesize

    344B

    MD5

    35e515dcc73a2a3c202cd3aacfb23b48

    SHA1

    7e153a2298e25202013a2396911114203ec34837

    SHA256

    84a2e7cd7d93807318228691297c2c509ba5bc60513faeeb02181fb4cc8cfc21

    SHA512

    a97a8b01d1249f811cf73daaf15329ca88002d801a8b0f0c8283bb3040ebaa5f69d13ab5ebb7527a56cc7988e491c3a7f66c17469ce7f929308c75a96247faa7

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

    Filesize

    344B

    MD5

    084afbcaa11c1be855b96c056d2bc5f3

    SHA1

    8053d67ab64cf10fc93808ad4b3a82044c70de0f

    SHA256

    fd96932e1ac2422e8fabd8cb4e26a71f35b779ed0df013b52e3bf80870154316

    SHA512

    d553c35bc229dcb44559338f50c90982f238557f617ebde710c816ed6779d56f70a4586e4b046a30f4acca5249008a767272066fa2fc67818be4390c95b228db

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

    Filesize

    344B

    MD5

    89b6f43fd59d23cf28426abb5d1d9884

    SHA1

    b0915abf606e457c183552c05ca4fd2c2b4f5cd9

    SHA256

    e1e5a242acb96136a4ff336ad7cf779d39fc87017fe68d028e87eaa5f64a7390

    SHA512

    1cc4fff218cf01e92e931dea54434fd41d2ead7ad1de8fc24da17d327038f811317aab84d8b604b958c6f3a746aa2805f674de0646186c40798a0e445470c023

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

    Filesize

    344B

    MD5

    f127e2eddd24e6de9d1d32dde4467071

    SHA1

    c10f8c048c02af8ec137010af80af4b258b092f1

    SHA256

    cebe697aba39683a8475e6e1ebf134fb0fc78577f1763117940334a4afc6a6dc

    SHA512

    ba551418cb27b1da871abd2525e53291a52821aeecde4f81d7d9c3c387c3627c708d5fde551eb087b39176b69699faebc2840b3b377218a01e072adcb5da3b3f

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

    Filesize

    344B

    MD5

    c6e8b23d1dd2fde2ea8d5347808ef2ed

    SHA1

    2dfeee6ba0bd7e4caddf977bf44f7ed25a86c2cf

    SHA256

    7bfe6875cbf75f85976426f890d358566f27268bd0733c83b9e90a15190168c2

    SHA512

    e2bb5db61fdf4a3fe00f9fb6183b63c3bef0efbc25c57bda65684514d26c8f6f4df24ab4c49a410ea59a757f161460171e611bfc3549c0f7c062d421014fe854

  • C:\Users\Admin\AppData\Local\Temp\Cab538F.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar53F0.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06