Analysis

  • max time kernel
    138s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-07-2024 07:55

General

  • Target

    e0452ab52309304cd0da107eabf8cf7e15887f977a0e59c22166bcb7383f10d5.exe

  • Size

    553KB

  • MD5

    6da97627f53ef956b4e000fb9f150553

  • SHA1

    32edd8d768bf703a5742ff52fdb56f4ef9f42d88

  • SHA256

    e0452ab52309304cd0da107eabf8cf7e15887f977a0e59c22166bcb7383f10d5

  • SHA512

    48732bec8569ea86a239c7d1dc9f9b9e66cb4900f10bbf6bb4cfb7ea4900ca5537600739c05ca38fd8b3c093adfd137ffb5863c03cb4a23b88027c6b66a3ce58

  • SSDEEP

    12288:rmnpciECA+jAQNuOShCuyulOVeAVAIVRtgUpA:rmn2r+dMhCufQeAVR5gUpA

Score
10/10

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0452ab52309304cd0da107eabf8cf7e15887f977a0e59c22166bcb7383f10d5.exe
    "C:\Users\Admin\AppData\Local\Temp\e0452ab52309304cd0da107eabf8cf7e15887f977a0e59c22166bcb7383f10d5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\AppData\Local\Temp\e0452ab52309304cd0da107eabf8cf7e15887f977a0e59c22166bcb7383f10d5.exe
      "C:\Users\Admin\AppData\Local\Temp\e0452ab52309304cd0da107eabf8cf7e15887f977a0e59c22166bcb7383f10d5.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 1028
        3⤵
        • Program crash
        PID:4120
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1032 -ip 1032
    1⤵
      PID:3948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Common Files\overtyde.ini

      Filesize

      40B

      MD5

      0588a5641b3acef5cd5e0fced8286529

      SHA1

      c4465e00f4260c677c678f27924352e70706d1ad

      SHA256

      d802a2ae71bb03d382576bfb3f3cb9dcf58387cdc7d8577614fc0a6b3eb071a1

      SHA512

      faa408f26430d05a6263b8ee22cf64eebf2148708a161f91458b10b826e3c9b7773ec6e089cc0eb59acb6c7d94aebea8c5ddd70241457c0b89ca69e1df8b6b32

    • C:\Users\Admin\AppData\Local\Spumoid.lnk

      Filesize

      872B

      MD5

      9fe8ae43ba1fd9ad0e3d91b572e96dcd

      SHA1

      432a91635d1a4810cc8e9dde62d824ad99a479ab

      SHA256

      755b6eb14fe74268678c971c4b1909fd389100784119f0caf871edbb83f48504

      SHA512

      80995cdde1e5856dc48010d3f74f4517d1c48fbed6b9b3490f4e16b31787e8bf3614f91bc976d8062076b6f480a60dc40b22ed5c6226fbdf1bc113bf3062798b

    • C:\Users\Admin\AppData\Local\Temp\nsbE216.tmp

      Filesize

      10B

      MD5

      9a53fc1d7126c5e7c81bb5c15b15537b

      SHA1

      e2d13e0fa37de4c98f30c728210d6afafbb2b000

      SHA256

      a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

      SHA512

      b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      1B

      MD5

      8ce4b16b22b58894aa86c421e8759df3

      SHA1

      13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

      SHA256

      8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

      SHA512

      2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      2B

      MD5

      25bc6654798eb508fa0b6343212a74fe

      SHA1

      15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

      SHA256

      8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

      SHA512

      5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      3B

      MD5

      4e27f2226785e9abbe046fc592668860

      SHA1

      28b18a7f383131df509f7191f946a32c5a2e410c

      SHA256

      01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

      SHA512

      2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      4B

      MD5

      cde63b34c142af0a38cbe83791c964f8

      SHA1

      ece2b194b486118b40ad12c1f0e9425dd0672424

      SHA256

      65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

      SHA512

      0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      5B

      MD5

      e2fecc970546c3418917879fe354826c

      SHA1

      63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

      SHA256

      ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

      SHA512

      3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      6B

      MD5

      50484c19f1afdaf3841a0d821ed393d2

      SHA1

      c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

      SHA256

      6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

      SHA512

      d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      7B

      MD5

      67cfa7364c4cf265b047d87ff2e673ae

      SHA1

      56e27889277981a9b63fcf5b218744a125bbc2fa

      SHA256

      639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

      SHA512

      17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

    • C:\Users\Admin\AppData\Local\Temp\nsbE301.tmp

      Filesize

      8B

      MD5

      c3cb69218b85c3260387fb582cb518dd

      SHA1

      961c892ded09a4cbb5392097bb845ccba65902ad

      SHA256

      1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

      SHA512

      2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

    • C:\Users\Admin\AppData\Local\Temp\nsrE3FC.tmp

      Filesize

      9B

      MD5

      2b3884fe02299c565e1c37ee7ef99293

      SHA1

      d8e2ef2a52083f6df210109fea53860ea227af9c

      SHA256

      ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

      SHA512

      aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

    • C:\Users\Admin\AppData\Local\Temp\nsrE3FC.tmp

      Filesize

      33B

      MD5

      3ad35e1651d29fa2f6dcd7722f5ca36f

      SHA1

      fb94d43c8fec12db5ea14f5af04c1c4e657202d9

      SHA256

      ba19c5bc80f1f84e8bddbae4185dfd07c997855b22f9ecffe37f96e4bf0d7517

      SHA512

      84bf1fc1454252d9fcbf350ddfa041f8656b1d91bb4975b04ba8f2c36294f51e597dedfdd689bca711ea338df4b60826c3339aac3ae611dcb591c3d4e71fcd58

    • C:\Users\Admin\AppData\Local\Temp\nsrE3FC.tmp

      Filesize

      49B

      MD5

      5787a2346828199ab555a6601dd3ac13

      SHA1

      2012c7dfb295b91fce617d017910edacc6939c92

      SHA256

      16b141e97dfe13b432dbd47f3c5abd15b261bad23fb09aa68d4e37242ce2dc0e

      SHA512

      3bee21d69ff539b48e31a55a272dc0f2b55c01ec1df5778772dd3d4414211f0a9fc6d40567eeeb4c1e5179c5934ac52c13d74af4e42bc294dccbb254f98190d9

    • C:\Users\Admin\AppData\Local\Temp\nsrE3FC.tmp

      Filesize

      56B

      MD5

      d608041f2d4e46c4f3efc3a3309f281c

      SHA1

      2337bea2ad09dfe5cd373e6e4c6d07ec36a7d157

      SHA256

      72cd66dc2937e704030cdf57118094c507358c325f3878c235f956cb47fe7cb3

      SHA512

      1e8117006aeefbebd7cd32e2e439c9b78e01a6e6cbbde5c3442ff2c17602230b19941bc94f4957b15b239fe1e80b39577e8c142489eff12d645dd15f4131a3c6

    • C:\Users\Admin\AppData\Local\Temp\nswE1F6.tmp\System.dll

      Filesize

      11KB

      MD5

      e23600029d1b09bdb1d422fb4e46f5a6

      SHA1

      5d64a2f6a257a98a689a3db9a087a0fd5f180096

      SHA256

      7342b73593b3aa1b15e3731bfb1afd1961802a5c66343bac9a2c737ee94f4e38

      SHA512

      c971f513142633ce0e6ec6a04c754a286da8016563dab368c3fac83aef81fa3e9df1003c4b63d00a46351a9d18eaa7ae7645caef172e5e1d6e29123ab864e7ac

    • memory/1032-581-0x0000000000400000-0x0000000001717000-memory.dmp

      Filesize

      19.1MB

    • memory/1032-582-0x00007FFD9F440000-0x00007FFD9F649000-memory.dmp

      Filesize

      2.0MB

    • memory/1032-584-0x00007FFD9F440000-0x00007FFD9F649000-memory.dmp

      Filesize

      2.0MB

    • memory/1032-583-0x0000000001720000-0x000000000543D000-memory.dmp

      Filesize

      61.1MB

    • memory/1032-585-0x0000000001720000-0x000000000543D000-memory.dmp

      Filesize

      61.1MB

    • memory/3908-579-0x00007FFD9F441000-0x00007FFD9F56A000-memory.dmp

      Filesize

      1.2MB

    • memory/3908-580-0x00007FFD9F440000-0x00007FFD9F649000-memory.dmp

      Filesize

      2.0MB