Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 10:06

General

  • Target

    Umbral.exe

  • Size

    229KB

  • MD5

    ec8787725819a1eaa6c2acda5cde4e0c

  • SHA1

    011cbaffb9a292b13be1fcfcac3e8aea5a680005

  • SHA256

    490d63d3581ea7e8c895731ece8885d4059918829937c709e330f57375a309bd

  • SHA512

    df2811f75d40ec7c554ecc3763764c07a343503b18a65794efa00f17c358169048eeb0f52341eeff06a5342c10b464ea31958afef903bf16bb7d39149e54685c

  • SSDEEP

    6144:lloZM+rIkd8g+EtXHkv/iD4R7vh0ad1+O7mEl5QG8b8e1ms4i:noZtL+EP8R7vh0ad1+O7mEl5QL/B

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Umbral.exe
    "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3016
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1028
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2280
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2280 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6B2043001D270792DFFD725518EAFE2C

      Filesize

      579B

      MD5

      f55da450a5fb287e1e0f0dcc965756ca

      SHA1

      7e04de896a3e666d00e687d33ffad93be83d349e

      SHA256

      31ad6648f8104138c738f39ea4320133393e3a18cc02296ef97c2ac9ef6731d0

      SHA512

      19bd9a319dfdaad7c13a6b085e51c67c0f9cb1eb4babc4c2b5cdf921c13002ca324e62dfa05f344e340d0d100aa4d6fac0683552162ccc7c0321a8d146da0630

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

      Filesize

      67KB

      MD5

      753df6889fd7410a2e9fe333da83a429

      SHA1

      3c425f16e8267186061dd48ac1c77c122962456e

      SHA256

      b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

      SHA512

      9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6B2043001D270792DFFD725518EAFE2C

      Filesize

      252B

      MD5

      ff9a0d0eb630fdcea6b98230fc5ad2b2

      SHA1

      99d3eed67bd45758df0beeb5076638b1b5049d4c

      SHA256

      dc5188a5882cbf6248183ca3ff3b47ca9cfd713eec799eda8d3eb2a4f320896f

      SHA512

      892da6e8ff9ef140ebdf0a525955c5e1ab14791340faafde759c7cf96341d5c87dccdbd3ce90005db5134fd8998561ee3ee035fd98052396b9ceb1cf452e9aa0

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

      Filesize

      344B

      MD5

      acc9fdbbaf66951d6266b2bb0675ee54

      SHA1

      665b020135bca719fbe6c56eff48bbe517ef629b

      SHA256

      a1aead24d748c13d5226533468f2ec4c6c9062a0eba7d4116b50c8992bd6bbc0

      SHA512

      b3bafe52ff9b7131c35e4f9bc7c62153fe35a94cef3d421b279c3ee0370a37a13b83f6217b64fd8bc343a8a3ead206a92e1b7b54f24b6e61d2f9f9a8852803d1

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

      Filesize

      344B

      MD5

      bcd6f3f25cf16c4194c016146043276f

      SHA1

      f3dffa53d0786a4c42b961d7c2533f32428eb067

      SHA256

      3295c341d69acaac542d2a4b3b743c4a98959e7fdc2be956a621887061764d59

      SHA512

      e7cc091872e75bb500f6e253c7704a92a3b04a44503dd36a7615ab5d72df41573d8dcd9cc24bf5c9403a78ef26db88c61883f7110f44318373c4cf6dafe30187

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

      Filesize

      344B

      MD5

      f8232112a3d3e8019534f3170e08d2d7

      SHA1

      1d8df0b9554a9a9b5e136274e633663bb0a48813

      SHA256

      9f0345ebed9a3b85def25d6f6ed2c054208abcc69ed5deacbc0d1f164969b3f3

      SHA512

      b834aa36d903f02d97169ab3aaf980bf91896eeaf2015af7f35ae1e63cb8cc9657937044da2c970ba018bdd41486940f12016b6440d70eb9db9c3502667c464f

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

      Filesize

      344B

      MD5

      83b95e9dc3dbd44943a3075a9395e901

      SHA1

      644dc3f9098d972d8a627d9b95c5d48c0cc0178b

      SHA256

      67bd70a4a0fcfdf69bbeafeb8b7835a0f5c53cde10282cc4cb5c972057a0cda8

      SHA512

      34f765084b960bae94484e32221a95fb3a9d1eec04ab8d5f0d64f43bb42fbf4c46d1eba766bc4f73be3e80eb421887f6799abc598e09f382b90cb82ec1ce9c73

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

      Filesize

      344B

      MD5

      e5a2319b2da68acc8a598dc0de58dd1b

      SHA1

      b4943f68fc5a173fc2ea16f464abf287b0a5b753

      SHA256

      54fb27e05e101e17d1c67dd1b181901a054c76ce9d92f6eed9a679a914935293

      SHA512

      e4a0c111530d00fd97b793749acf2ff596be6a65abea0799a757e2e6e862cd553696daff352c3d0906dd61445d8881b08afda5d668a2dc105ec63b6446e62490

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

      Filesize

      344B

      MD5

      72919a6e4085870d5877b4f5c2cc78b7

      SHA1

      87722a0c75e1d92d02fa83d112ed1664120684cf

      SHA256

      f897e45b433bd470029af3ed712d6ac39eb0a0202d8000e9fc88f2e8001a0ebf

      SHA512

      6bc8b25b24b08bfc2e4c8093a1c4469c0d57e96373967cb843bf5279a9ea66f530687e70bda10206cad5a722e52aeb7e649d8c054f158ddbf97240f931ee1d50

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

      Filesize

      344B

      MD5

      43c26267cec246058f2d15250381c6a4

      SHA1

      6f3ac4dc573de0bbe25786e72468fab34ad4b6f1

      SHA256

      2a77b9edba5eaa8676721c84aff12ebe3251e202c04add33fd0042c7d302f5a1

      SHA512

      657e42440cff546ba83bcc3597b507c977a03198ae5741c0128f434b24543dca0e772c4c1f44038299da060802bd26c687eabb52bf0ffcab589f90f90227b2ad

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

      Filesize

      344B

      MD5

      5b561a271e1cdfa087ccdf1aa3dcb906

      SHA1

      f4b6b70fc007f216b0b9dc88e5eb119e4872fac8

      SHA256

      348896576a3f0b5c21f73cf479da23a9d9884e2315651dab7052619d009a8273

      SHA512

      a8c93c86addbe7978785ae0069519634f760ef7534681ae26dbf0357eedbadd8319b512f9d76cc000f3c5267d833777328c2a826c37934289c3b83329c1b6749

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

      Filesize

      344B

      MD5

      981a5fa3ca7c0b747c6b6fc711d6d66a

      SHA1

      12fd5d81840b36d866c9a3ba094118b7cac20379

      SHA256

      e5052f7c9418ac3b6ddf455cac53391baeeaf0018a2280c4332dd9580202601b

      SHA512

      2b42d63f25090fd9d96677c1021e28146e4b940c4c5a4f1ab1615c1386e6affebb3195fe4b6b67f3362210ec3009b99c818046cc41dbb83a4163935980bc7bb4

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

      Filesize

      344B

      MD5

      0a8a2acf0e2c811ad4b66aa82be6ece8

      SHA1

      f59c267530c78362601214732e04ae9629f6d221

      SHA256

      3e2e9663118364f7f6f170438c15f1c8b7f7725727869cfa2795d39f09806508

      SHA512

      5910106ef5eb2c079c581e8fe453094c3024182a8e40a35feadd52f5850a8dd438c725be39551832e7baa0d4549335e3a1f8e075120d64c261db5f5dce89c35a

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

      Filesize

      344B

      MD5

      b9f51362428ee3c1633acb2adb31b7a8

      SHA1

      1cc251597bc8aba8606455a3a02c503cc619e8ea

      SHA256

      e16ae38c93b09481edcbebb58bafa4cde046d789f31c2e2cc414c16358027694

      SHA512

      6da3ad39e247d15f7b87ed1419c98e14b8953f47fe42a58bca7d51c0733919a136cbf0ce137854363df8b48c13e9879d6309508c00d88a21a2dbdaf129d525be

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

      Filesize

      344B

      MD5

      a61854468c30ec1bb9d0f667edd66877

      SHA1

      0ae22fc4b17779b43d68c9566f5a0ee5212160c4

      SHA256

      cc0fde4141494844ac04b25ad5a80c92891fc765070d8a204329593e47c7a063

      SHA512

      043e50ca667afce6106225da16d9bf2deb6531f0abf780b489fcd00cd39780f9fab868722ed187e39a90fa0ba436fe1a3275359081015adfecd876971adfcb59

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

      Filesize

      344B

      MD5

      2a5586f3f7317fa1be5ccf502d96892f

      SHA1

      972b7c29b6ec2ce853daaa496af701104aedd404

      SHA256

      0221f0495b1adde94e83f6d7be14df887e0b45506d316ce0e75207ac63141890

      SHA512

      5aa62d412fc706d15fb7388b13b1a519b06f003f71a25d89324fa399e8b34a6ad1923f70b2234e6ca5f0528c0c8559721a264c865ab7ab7132b0365597387a5b

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

      Filesize

      344B

      MD5

      5c9288cf48ec877d562831e65210db8c

      SHA1

      6df05423745cb1fb1888dcfac93628930e20d54c

      SHA256

      0b1a83fa7551bcd34905f4364f7698de1c0727464e8e68daee016b94a62663c6

      SHA512

      11806b790a9bc7f9938d38e5cd539e41ac809ecd2d930b6ea99e72a66c10c35a8b030d6a890f2a799d45924e3c8a79221f03982666695880cd0ea58ccedf68f7

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\jw2rl61\imagestore.dat

      Filesize

      4KB

      MD5

      c49c6a4562c80edfa3b1f571481b2bec

      SHA1

      3d5e892b85044d95550577b6cc8823fa25e0025f

      SHA256

      54c737201010ec49daf7d4d1628d0e144f0b44b7b4c563699190c0110245ccfb

      SHA512

      417b05c8e4414192e540f821c44b557c4b3a69711f7aa1470f0b1c235378db705407894c08f8b27482f15dfe2a1994333d94b8a0080f8a9a933d3c17fb30fe75

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\jw2rl61\imagestore.dat

      Filesize

      8KB

      MD5

      57880280d73724f05b969ace2fcafaad

      SHA1

      807ebe47d56e40641c9537e941b21867e341d74a

      SHA256

      9f68fd5666150e315636d2e1fe773d6db56455d4b9a2ffbb1c90cd47ec6a8814

      SHA512

      8309a4d7cef02a4be3ea02c31fa2225fba5e66a8851f11be3327d68caba7675e02bb823ba93e687a3973a5d176956e5bbb87a23318455d7eaa905aa056069fe1

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I819HQXH\qsml[1].xml

      Filesize

      496B

      MD5

      22a961b4bbe845f67b0501c6eb5b7a72

      SHA1

      104a51ae1d7ec127d78bd2d40ca0b91f7a2e5d09

      SHA256

      5fcacbe5a1a02d7bf2877fe76283cc407c6334050c1462094b53ceb83114252a

      SHA512

      09c625face2583cfb723ca249e6be6c5585543d23b923bf8863331d3c147e2daf978830bed12e79fee16a02818e085a9d12e12abbfcfe7ecec34af2de5ce725a

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I819HQXH\qsml[2].xml

      Filesize

      487B

      MD5

      c4103fc3436d9dcba82e02b509ea33bd

      SHA1

      1fcfbc25b0481b1f25316ad3288c6b04c9b417da

      SHA256

      ab7fc8dbd16d9062b8845cf087da916a43782001503215e7ccb4a1d02443e8e9

      SHA512

      75c1fdec7c35673d97d10907e6d3f972cff883bbd3afff3a51324eeccf1b6966be9a1cc5958e6268cd96e2a50f6fde3094ec6bafcb858ba8a24a02427ba53f56

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I819HQXH\qsml[3].xml

      Filesize

      489B

      MD5

      9c549a297fdbb9c32be6ddd10f118679

      SHA1

      4e346aba05016d1bd784762909eb8342300f17db

      SHA256

      694bc7b884cee7c0cc06c14a1557242d10f63331fea1c3df2dc4704369b47f94

      SHA512

      f44454f556359b3dd39433f33ecc040473f63afec919454f0cefcc197470ce104d8e8aafcb44e4da43d134235bf3d753506cf2f9f696636f1710ff67a08ad9bb

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I819HQXH\qsml[4].xml

      Filesize

      493B

      MD5

      d94674ce0cb5d228c4189be16515fa3d

      SHA1

      3af5f0177e1eaf1a53bb647520e45d64a4a39d77

      SHA256

      1692118bcc8158d70086ff38d9529d5a3be23969ceb3d9d44415817fc16c3ac6

      SHA512

      c0d629f5d29329a23f1f9daa47de13bb59960610c6f11fb654ae9f9716e5a2a4b8b5aaada34f12d6c9a4738837e450d091f2e0445145d8a92d72e38dbd4e2a0c

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I819HQXH\qsml[5].xml

      Filesize

      493B

      MD5

      ae59f881926f2cd1ef03eb3a12fe4b08

      SHA1

      f71e65d1e7117947b19e64a06bf2b07e0d03137f

      SHA256

      5c95a89806a1f1a9b62d52223ea6b1090bf0bccf08019ab219b0bc8537784f3b

      SHA512

      4d99fa05be266139013c17a10ae4b83a26d6ff758ed0fdce0e54b20f4e2ccc3786e579869e500dc8872273b728ba8f0f805d1a371ddeda97f2be6ea4c4857f47

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I819HQXH\qsml[7].xml

      Filesize

      507B

      MD5

      2062f215a7c78f108f56129f69b8760e

      SHA1

      d604b2fdc992a00f3c32c11507e458c6d6e0d077

      SHA256

      11c67a8a67ace8c860a6fd56bbca363c4ad95714c89297f92910203d1ce74208

      SHA512

      b270722751d2ff0e86823fd5cac0462d5c4cae4e169c8f54f3c5841d5dff50c00a70b218e7ee7d3acdfb9e29e8e451cfbcbbea09e0a77b0362c86cb50f048508

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RYNL6UIN\favicon-trans-bg-blue-mg[1].ico

      Filesize

      4KB

      MD5

      30967b1b52cb6df18a8af8fcc04f83c9

      SHA1

      aaf67cd84fcd64fb2d8974d7135d6f1e4fc03588

      SHA256

      439b6089e45ef1e0c37ef88764d5c99a3b2752609c4e2af3376480d7ffcfaf2e

      SHA512

      7cb3c09a81fbd301741e7cf5296c406baf1c76685d354c54457c87f6471867390a1aeed9f95701eb9361d7dfacce31afd1d240841037fc1de4a120c66c1b088c

    • C:\Users\Admin\AppData\Local\Temp\Cab6A6A.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar6C16.tmp

      Filesize

      175KB

      MD5

      dd73cead4b93366cf3465c8cd32e2796

      SHA1

      74546226dfe9ceb8184651e920d1dbfb432b314e

      SHA256

      a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

      SHA512

      ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

    • memory/2868-0-0x0000000001280000-0x00000000012C0000-memory.dmp

      Filesize

      256KB

    • memory/2868-3-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp

      Filesize

      9.9MB

    • memory/2868-2-0x0000000001030000-0x00000000010B0000-memory.dmp

      Filesize

      512KB

    • memory/2868-1-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp

      Filesize

      9.9MB