Analysis

  • max time kernel
    1385s
  • max time network
    1173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-02-2024 19:25

General

  • Target

    wintask.exe

  • Size

    16.0MB

  • MD5

    f715ebd552c6ca4dc6fa695d1888d1d5

  • SHA1

    f0bedacc55824b7bfade77670a203536e12c5612

  • SHA256

    9d1cf39cebde1797f841218b826c21d50906e42fb0cd770e51b806d2a1ed15f7

  • SHA512

    ceb2b21e40a22ddec75128feb87700da5fb204a1d5bfc772e1e86cbb46dc39baa89c96a457d6f98e86cc2214027106aa172953a1ab62bb00c2289f1510405e5f

  • SSDEEP

    393216:bu7L/PdQuslEQ+l9RoWOv+9rzaAlNYBWVruD:bCLXdQubQGborvSrOqNVrQ

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 48 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Looks up external IP address via web service 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\wintask.exe
    "C:\Users\Admin\AppData\Local\Temp\wintask.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Users\Admin\AppData\Local\Temp\wintask.exe
      "C:\Users\Admin\AppData\Local\Temp\wintask.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4612
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "tasklist"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4320
        • C:\Windows\system32\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\Crypto\Cipher\_raw_cbc.pyd

    Filesize

    12KB

    MD5

    a1b78a3ce3165e90957880b8724d944f

    SHA1

    a69f63cc211e671a08daad7a66ed0b05f8736cc7

    SHA256

    84e071321e378054b6d3b56bbd66699e36554f637a44728b38b96a31199dfa69

    SHA512

    15847386652cbee378d0ff6aad0a3fe0d0c6c7f1939f764f86c665f3493b4bccaf98d7a29259e94ed197285d9365b9d6e697b010aff3370cf857b8cb4106d7d8

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\Crypto\Cipher\_raw_ecb.pyd

    Filesize

    10KB

    MD5

    aec314222600ade3d96b6dc33af380a6

    SHA1

    c6af3edadb09ea3a56048b57237c0a2dca33bee1

    SHA256

    ea96505b38d27c085544fb129f2b0e00df5020d323d7853e6a6a8645ac785304

    SHA512

    bbc00aa7fdf178bb6b2d86419c31967f2bc32d157aa7ee3ac308c28d8bf4823c1fafcde6c91651edc05c146e44d7e59e02a76283890652b27c52f509c3b9ef9a

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\VCRUNTIME140.dll

    Filesize

    106KB

    MD5

    870fea4e961e2fbd00110d3783e529be

    SHA1

    a948e65c6f73d7da4ffde4e8533c098a00cc7311

    SHA256

    76fdb83fde238226b5bebaf3392ee562e2cb7ca8d3ef75983bf5f9d6c7119644

    SHA512

    0b636a3cdefa343eb4cb228b391bb657b5b4c20df62889cd1be44c7bee94ffad6ec82dc4db79949edef576bff57867e0d084e0a597bf7bf5c8e4ed1268477e88

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\VCRUNTIME140_1.dll

    Filesize

    48KB

    MD5

    bba9680bc310d8d25e97b12463196c92

    SHA1

    9a480c0cf9d377a4caedd4ea60e90fa79001f03a

    SHA256

    e0b66601cc28ecb171c3d4b7ac690c667f47da6b6183bff80604c84c00d265ab

    SHA512

    1575c786ac3324b17057255488da5f0bc13ad943ac9383656baf98db64d4ec6e453230de4cd26b535ce7e8b7d41a9f2d3f569a0eff5a84aeb1c2f9d6e3429739

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_brotli.cp310-win_amd64.pyd

    Filesize

    801KB

    MD5

    ee3d454883556a68920caaedefbc1f83

    SHA1

    45b4d62a6e7db022e52c6159eef17e9d58bec858

    SHA256

    791e7195d7df47a21466868f3d7386cff13f16c51fcd0350bf4028e96278dff1

    SHA512

    e404adf831076d27680cc38d3879af660a96afc8b8e22ffd01647248c601f3c6c4585d7d7dc6bbd187660595f6a48f504792106869d329aa1a0f3707d7f777c6

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_bz2.pyd

    Filesize

    81KB

    MD5

    bbe89cf70b64f38c67b7bf23c0ea8a48

    SHA1

    44577016e9c7b463a79b966b67c3ecc868957470

    SHA256

    775fbc6e9a4c7e9710205157350f3d6141b5a9e8f44cb07b3eac38f2789c8723

    SHA512

    3ee72ba60541116bbca1a62db64074276d40ad8ed7d0ca199a9c51d65c3f0762a8ef6d0e1e9ebf04bf4efe1347f120e4bc3d502dd288339b4df646a59aad0ec1

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_cffi_backend.cp310-win_amd64.pyd

    Filesize

    177KB

    MD5

    6f1b90884343f717c5dc14f94ef5acea

    SHA1

    cca1a4dcf7a32bf698e75d58c5f130fb3572e423

    SHA256

    2093e7e4f5359b38f0819bdef8314fda332a1427f22e09afc416e1edd5910fe1

    SHA512

    e2c673b75162d3432bab497bad3f5f15a9571910d25f1dffb655755c74457ac78e5311bd5b38d29a91aec4d3ef883ae5c062b9a3255b5800145eb997863a7d73

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_ctypes.pyd

    Filesize

    119KB

    MD5

    ca4cef051737b0e4e56b7d597238df94

    SHA1

    583df3f7ecade0252fdff608eb969439956f5c4a

    SHA256

    e60a2b100c4fa50b0b144cf825fe3cde21a8b7b60b92bfc326cb39573ce96b2b

    SHA512

    17103d6b5fa84156055e60f9e5756ffc31584cdb6274c686a136291c58ba0be00238d501f8acc1f1ca7e1a1fadcb0c7fefddcb98cedb9dd04325314f7e905df3

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_hashlib.pyd

    Filesize

    60KB

    MD5

    d856a545a960bf2dca1e2d9be32e5369

    SHA1

    67a15ecf763cdc2c2aa458a521db8a48d816d91e

    SHA256

    cd33f823e608d3bda759ad441f583a20fc0198119b5a62a8964f172559acb7d3

    SHA512

    34a074025c8b28f54c01a7fd44700fdedb391f55be39d578a003edb90732dec793c2b0d16da3da5cdbd8adbaa7b3b83fc8887872e284800e7a8389345a30a6a4

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_lzma.pyd

    Filesize

    153KB

    MD5

    0a94c9f3d7728cf96326db3ab3646d40

    SHA1

    8081df1dca4a8520604e134672c4be79eb202d14

    SHA256

    0a70e8546fa6038029f2a3764e721ceebea415818e5f0df6b90d6a40788c3b31

    SHA512

    6f047f3bdaead121018623f52a35f7e8b38c58d3a9cb672e8056a5274d02395188975de08cabae948e2cc2c1ca01c74ca7bc1b82e2c23d652e952f3745491087

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_queue.pyd

    Filesize

    29KB

    MD5

    52d0a6009d3de40f4fa6ec61db98c45c

    SHA1

    5083a2aff5bcce07c80409646347c63d2a87bd25

    SHA256

    007bcf19d9b036a7e73f5ef31f39bfb1910f72c9c10e4a1b0658352cfe7a8b75

    SHA512

    cd552a38efaa8720a342b60318f62320ce20c03871d2e50d3fa3a9a730b84dacdbb8eb4d0ab7a1c8a97215b537826c8dc532c9a55213bcd0c1d13d7d8a9ad824

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_socket.pyd

    Filesize

    75KB

    MD5

    0f5e64e33f4d328ef11357635707d154

    SHA1

    8b6dcb4b9952b362f739a3f16ae96c44bea94a0e

    SHA256

    8af6d70d44bb9398733f88bcfb6d2085dd1a193cd00e52120b96a651f6e35ebe

    SHA512

    4be9febb583364da75b6fb3a43a8b50ee29ca8fc1dda35b96c0fcc493342372f69b4f27f2604888bca099c8d00f38a16f4c9463c16eff098227d812c29563643

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_sqlite3.pyd

    Filesize

    95KB

    MD5

    9f38f603bd8f7559609c4ffa47f23c86

    SHA1

    8b0136fc2506c1ccef2009db663e4e7006e23c92

    SHA256

    28090432a18b59eb8cbe8fdcf11a277420b404007f31ca571321488a43b96319

    SHA512

    273a19f2f609bede9634dae7c47d7b28d369c88420b2b62d42858b1268d6c19b450d83877d2dba241e52755a3f67a87f63fea8e5754831c86d16e2a8f214ad72

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_ssl.pyd

    Filesize

    155KB

    MD5

    9ddb64354ef0b91c6999a4b244a0a011

    SHA1

    86a9dc5ea931638699eb6d8d03355ad7992d2fee

    SHA256

    e33b7a4aa5cdd5462ee66830636fdd38048575a43d06eb7e2f688358525ddeab

    SHA512

    4c86478861fa4220680a94699e7d55fbdc90d2785caee10619cecb058f833292ee7c3d6ac2ed1ef34b38fbff628b79d672194a337701727a54bb6bbc5bf9aeca

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\_uuid.pyd

    Filesize

    23KB

    MD5

    041556420bdb334a71765d33229e9945

    SHA1

    0122316e74ee4ada1ce1e0310b8dca1131972ce1

    SHA256

    8b3d4767057c18c1c496e138d4843f25e5c98ddfc6a8d1b0ed46fd938ede5bb6

    SHA512

    18da574b362726ede927d4231cc7f2aebafbaaab47df1e31b233f7eda798253aef4c142bed1a80164464bd629015d387ae97ba36fcd3cedcfe54a5a1e5c5caa3

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\base_library.zip

    Filesize

    812KB

    MD5

    fbd6be906ac7cd45f1d98f5cb05f8275

    SHA1

    5d563877a549f493da805b4d049641604a6a0408

    SHA256

    ae35709e6b8538827e3999e61a0345680c5167962296ac7bef62d6b813227fb0

    SHA512

    1547b02875f3e547c4f5e15c964719c93d7088c7f4fd044f6561bebd29658a54ef044211f9d5cfb4570ca49ed0f17b08011d27fe85914e8c3ea12024c8071e8a

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\charset_normalizer\md.cp310-win_amd64.pyd

    Filesize

    10KB

    MD5

    0e2a2addd0d5b21193dbaae162604181

    SHA1

    526b25822b2571307fe8d4208c83227c0c64cb10

    SHA256

    ab0a8fd8f085766a2a7001380e6ee219d5ae68d0194498eeb8d3866f922fbcae

    SHA512

    6e0f0fa11fff0853e4063f5e1a526936cd682303f94b13da0bd4fb6b2da5efdbb3acb378951508ee3a2dea7f7e2c1d6f968e00ae63d1b6063cc2ad932a3856e9

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\charset_normalizer\md__mypyc.cp310-win_amd64.pyd

    Filesize

    114KB

    MD5

    c6c87fc7bd7555026bb1738857066cff

    SHA1

    3c89dcbc228a7b689860545495f7a081721c5a12

    SHA256

    1a6961fd249dbb3a9ccc903fe5ec4631616594edefb19db423fb488b3dba619a

    SHA512

    63d5b76830d17f90c7d846c8481fac33d86cf1e606d4e33cbe5af868b41d35e7c8c95b93906258d1954809d13a46036fabad093a8693bd29121c020f743faeaa

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\libcrypto-1_1.dll

    Filesize

    3.3MB

    MD5

    6f4b8eb45a965372156086201207c81f

    SHA1

    8278f9539463f0a45009287f0516098cb7a15406

    SHA256

    976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541

    SHA512

    2c5c54842aba9c82fb9e7594ae9e264ac3cbdc2cc1cd22263e9d77479b93636799d0f28235ac79937070e40b04a097c3ea3b7e0cd4376a95ed8ca90245b7891f

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\libffi-7.dll

    Filesize

    32KB

    MD5

    eef7981412be8ea459064d3090f4b3aa

    SHA1

    c60da4830ce27afc234b3c3014c583f7f0a5a925

    SHA256

    f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081

    SHA512

    dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\libssl-1_1.dll

    Filesize

    686KB

    MD5

    8769adafca3a6fc6ef26f01fd31afa84

    SHA1

    38baef74bdd2e941ccd321f91bfd49dacc6a3cb6

    SHA256

    2aebb73530d21a2273692a5a3d57235b770daf1c35f60c74e01754a5dac05071

    SHA512

    fac22f1a2ffbfb4789bdeed476c8daf42547d40efe3e11b41fadbc4445bb7ca77675a31b5337df55fdeb4d2739e0fb2cbcac2feabfd4cd48201f8ae50a9bd90b

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\pyexpat.pyd

    Filesize

    193KB

    MD5

    43e5a1470c298ba773ac9fcf5d99e8f9

    SHA1

    06db03daf3194c9e492b2f406b38ed33a8c87ab3

    SHA256

    56984d43be27422d31d8ece87d0abda2c0662ea2ff22af755e49e3462a5f8b65

    SHA512

    a5a1ebb34091ea17c8f0e7748004558d13807fdc16529bc6f8f6c6a3a586ee997bf72333590dc451d78d9812ef8adfa7deabab6c614fce537f56fa38ce669cfc

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\python3.DLL

    Filesize

    63KB

    MD5

    c17b7a4b853827f538576f4c3521c653

    SHA1

    6115047d02fbbad4ff32afb4ebd439f5d529485a

    SHA256

    d21e60f3dfbf2bab0cc8a06656721fa3347f026df10297674fc635ebf9559a68

    SHA512

    8e08e702d69df6840781d174c4565e14a28022b40f650fda88d60172be2d4ffd96a3e9426d20718c54072ca0da27e0455cc0394c098b75e062a27559234a3df7

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\python310.dll

    Filesize

    4.3MB

    MD5

    deaf0c0cc3369363b800d2e8e756a402

    SHA1

    3085778735dd8badad4e39df688139f4eed5f954

    SHA256

    156cf2b64dd0f4d9bdb346b654a11300d6e9e15a65ef69089923dafc1c71e33d

    SHA512

    5cac1d92af7ee18425b5ee8e7cd4e941a9ddffb4bc1c12bb8aeabeed09acec1ff0309abc41a2e0c8db101fee40724f8bfb27a78898128f8746c8fe01c1631989

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\pythoncom310.dll

    Filesize

    653KB

    MD5

    65dd753f51cd492211986e7b700983ef

    SHA1

    f5b469ec29a4be76bc479b2219202f7d25a261e2

    SHA256

    c3b33ba6c4f646151aed4172562309d9f44a83858ddfd84b2d894a8b7da72b1e

    SHA512

    8bd505e504110e40fa4973feff2fae17edc310a1ce1dc78b6af7972efdd93348087e6f16296bfd57abfdbbe49af769178f063bb0aa1dee661c08659f47a6216d

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\pywintypes310.dll

    Filesize

    131KB

    MD5

    ceb06a956b276cea73098d145fa64712

    SHA1

    6f0ba21f0325acc7cf6bf9f099d9a86470a786bf

    SHA256

    c8ec6429d243aef1f78969863be23d59273fa6303760a173ab36ab71d5676005

    SHA512

    05bab4a293e4c7efa85fa2491c32f299afd46fdb079dcb7ee2cc4c31024e01286daaf4aead5082fc1fd0d4169b2d1be589d1670fcf875b06c6f15f634e0c6f34

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\select.pyd

    Filesize

    28KB

    MD5

    c119811a40667dca93dfe6faa418f47a

    SHA1

    113e792b7dcec4366fc273e80b1fc404c309074c

    SHA256

    8f27cd8c5071cb740a2191b3c599e99595b121f461988166f07d9f841e7116b7

    SHA512

    107257dbd8cf2607e4a1c7bef928a6f61ebdfc21be1c4bdc3a649567e067e9bb7ea40c0ac8844d2cedd08682447b963148b52f85adb1837f243df57af94c04b3

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\sqlite3.dll

    Filesize

    1.4MB

    MD5

    aaf9fd98bc2161ad7dff996450173a3b

    SHA1

    ab634c09b60aa18ea165084a042d917b65d1fe85

    SHA256

    f1e8b6c4d61ac6a320fa2566da9391fbfd65a5ac34ac2e2013bc37c8b7b41592

    SHA512

    597ffe3c2f0966ab94fbb7ecac27160c691f4a07332311f6a9baf8dec8b16fb16ec64df734c3bdbabf2c0328699e234d14f1b8bd5ac951782d35ea0c78899e5f

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\ucrtbase.dll

    Filesize

    992KB

    MD5

    0e0bac3d1dcc1833eae4e3e4cf83c4ef

    SHA1

    4189f4459c54e69c6d3155a82524bda7549a75a6

    SHA256

    8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

    SHA512

    a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\unicodedata.pyd

    Filesize

    1.1MB

    MD5

    4c8af8a30813e9380f5f54309325d6b8

    SHA1

    169a80d8923fb28f89bc26ebf89ffe37f8545c88

    SHA256

    4b6e3ba734c15ec789b5d7469a5097bd082bdfd8e55e636ded0d097cf6511e05

    SHA512

    ea127779901b10953a2bf9233e20a4fab2fba6f97d7baf40c1b314b7cd03549e0f4d2fb9bad0fbc23736e21eb391a418d79a51d64402245c1cd8899e4d765c5a

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\win32api.pyd

    Filesize

    130KB

    MD5

    00e5da545c6a4979a6577f8f091e85e1

    SHA1

    a31a2c85e272234584dacf36f405d102d9c43c05

    SHA256

    ac483d60a565cc9cbf91a6f37ea516b2162a45d255888d50fbbb7e5ff12086ee

    SHA512

    9e4f834f56007f84e8b4ec1c16fb916e68c3baadab1a3f6b82faf5360c57697dc69be86f3c2ea6e30f95e7c32413babbe5d29422d559c99e6cf4242357a85f31

  • C:\Users\Admin\AppData\Local\Temp\_MEI48522\zstandard\backend_c.cp310-win_amd64.pyd

    Filesize

    513KB

    MD5

    4ec296c5608d46afdb37048b920a676b

    SHA1

    c94c21c9e9621940f59bcec2f6a576a991b42a03

    SHA256

    a0f31c62e0c1b25857330afa3d8c23b68d2e2b1d18ffc6d69ffb3db481fae40d

    SHA512

    7c49668bc1e9cca2b07533ae7e1dfac27a6c660ddb33553b0300a3946188d32e471bcae1c1cc203388b21265bdcf04fcbfae94c767537dca5f3dc8d17be34e24

  • C:\Users\Admin\AppData\Local\Temp\crcook.txt

    Filesize

    29B

    MD5

    155ea3c94a04ceab8bd7480f9205257d

    SHA1

    b46bbbb64b3df5322dd81613e7fa14426816b1c1

    SHA256

    445e2bcecaa0d8d427b87e17e7e53581d172af1b9674cf1a33dbe1014732108b

    SHA512

    3d47449da7c91fe279217a946d2f86e5d95d396f53b55607ec8aca7e9aa545cfaf9cb97914b643a5d8a91944570f9237e18eecec0f1526735be6ceee45ecba05