Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 04:06

General

  • Target

    e94807ae438bdeefc31cf88fdf29a880_NEIKI.exe

  • Size

    212KB

  • MD5

    e94807ae438bdeefc31cf88fdf29a880

  • SHA1

    c3242aaa77728e07eecce378e7675077822e28ae

  • SHA256

    c0aaabac5a17261d9d728c981e5289c8736628849a06e10968987376e52b6ddc

  • SHA512

    ac97ec2a458d80ec026bcafb9b06b433a2002a237246bc1c44085839703c07324b20d600910337440c70e7601dd9f5af264e365ab86df5cd45184177b1d9fe58

  • SSDEEP

    3072:LXi+1IfIwFs7ZbxrAerbWu7s3BLbOyYkW8/1HSG9VRfqXlzcM8tKog8vCa30+Z:LXMwwW7Z1rAeXT8bOcdHd9yrpoBv8+

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e94807ae438bdeefc31cf88fdf29a880_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\e94807ae438bdeefc31cf88fdf29a880_NEIKI.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:1396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    344B

    MD5

    6e388285d83d0902dd6d312f54a5d533

    SHA1

    427155573ea6207ba35bf524b4ed8e33a82e369d

    SHA256

    cbc6acd8e63fb3b5b78e7a9635d26122e840813227cccf27c87b8532d194c0c1

    SHA512

    9060e7b3450a9ec7ea4bf3f42c5140f06e489134698c5b47d73223d66046cf8bfdbebe177393ea54dbb742ce957af59f6e5dcf6b11e0ce2fac18e9bab82d1e82

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

    Filesize

    344B

    MD5

    dd42bb2b7efb8037365c1c52655d9956

    SHA1

    cd879bf0b62045194f739612167ecad357cba8e3

    SHA256

    ffcdd0e4826c26cb0dbf673737aefd547bc0cc97e081aad5ffdbe032a915e564

    SHA512

    5848d082e804f126a2920da0e6fc6ad10217cfdfc6d864fcec5b7b2c04523f686d2a6bad30cef40dc879608193044d9968ebea48a97766175bd718127bee6d3a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    9ac7385b8c19e56957012590b946b09f

    SHA1

    de4c4997a77bfcbb5aa35dcd175898639d4f975d

    SHA256

    fc34b23221fc12009d507a7acb0195b4fbe0bdfec0287e6a9ea5be80233db74f

    SHA512

    46546509331a9a09867494e9faf27a363e261efc117c71e4de1c9e796d458b59342408d2b27e823aa00e15be0f1795a606338221e6f89b1e76b0977de658be31

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\L9PN2QMY\login[2].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\L9PN2QMY\login[3].htm

    Filesize

    593B

    MD5

    3b03d93d3487806337b5c6443ce7a62d

    SHA1

    93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

    SHA256

    7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

    SHA512

    770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

  • C:\Users\Admin\AppData\Local\Temp\4784.tmp

    Filesize

    457B

    MD5

    531ec87a0b2f9477a52d88b111d0d46a

    SHA1

    50a72e5752075309f91c062e0282a7e7cd1e751e

    SHA256

    4875b451859b1eb8d0d3b040b1bb8d654d212edb6d9c721cf0f4372129579385

    SHA512

    07994963fd76b31ef0ba2c7f418dcb3ee0290f6baca2d8ec63a6e6b861557b13fbc20d2f0a10a66f35c4d72d4d2c1920ac88b96174604f2f8856868912327da1

  • C:\Users\Admin\AppData\Local\Temp\7649.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\76E6.tmp

    Filesize

    1KB

    MD5

    dfab816720f66cfdbcec22519d735b27

    SHA1

    7848b1b955b2423560a98b2a9568164edd265c13

    SHA256

    f3d0c7762581f530b2a460a15b48f2f2f89f9ddd5b042d459ab074774ece4af5

    SHA512

    8fa3beddb63c2866460c764eee7a1ea6a9dbba5b8eeaff04db3b8b77815bdab2ac167971e79d440264b86737e50cd85e1e6cdac3e314cc29762b95c23a3a96fb

  • C:\Users\Admin\AppData\Local\Temp\96E9.tmp

    Filesize

    42KB

    MD5

    c1ee1243ee0996ccad9be1a46f30b181

    SHA1

    c5210343773ab2da2f47b5bb353c36ec2809eb49

    SHA256

    c779a535c0926b9dbace1b32ebd94d56dda64aa87949e44b0e75bc14f07c9752

    SHA512

    367c60694259e46df774d50c06b65f81c380c28739dd3fe8184b00ece54314461110b1e2a5b70c6c336e25fe45ec7246b54893324209185fbc2a794228ddcf12

  • C:\Users\Admin\AppData\Local\Temp\CabBD2B.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarBD5D.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\TarBE7B.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Windows\AppPatch\svchost.exe

    Filesize

    212KB

    MD5

    74d4820348063d84f25a48281c48d15b

    SHA1

    bca6ea3021d49319dbd6e152025cbcdf5add3229

    SHA256

    f87b7cdc7d900e8efd3f5329c65ce5adf7ed580bddaa24eb082205525a792d27

    SHA512

    3108b78b8c0e5d89fb9f2970140b95ff422365ca38bf53b4c98613a08e9de3530d7ac197b347875942d6a1ac8c999aca4516e23fbe640c3949d011d557b3bb69

  • memory/1368-16-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/1368-1-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/1368-0-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/1396-56-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-42-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-69-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-71-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-82-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-81-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-79-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-78-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-77-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-75-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-73-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-70-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-68-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-66-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-65-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-63-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-62-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-60-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-58-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-57-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-30-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-54-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-53-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-51-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-49-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-47-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-41-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-80-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-76-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-40-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-74-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-72-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-67-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-37-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-64-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-61-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-59-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-55-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-52-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-50-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-48-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-46-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-45-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-44-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-32-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-34-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-18-0x00000000025D0000-0x0000000002678000-memory.dmp

    Filesize

    672KB

  • memory/1396-22-0x00000000025D0000-0x0000000002678000-memory.dmp

    Filesize

    672KB

  • memory/1396-24-0x00000000025D0000-0x0000000002678000-memory.dmp

    Filesize

    672KB

  • memory/1396-29-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/1396-26-0x00000000025D0000-0x0000000002678000-memory.dmp

    Filesize

    672KB

  • memory/1396-28-0x00000000025D0000-0x0000000002678000-memory.dmp

    Filesize

    672KB

  • memory/1396-21-0x00000000025D0000-0x0000000002678000-memory.dmp

    Filesize

    672KB

  • memory/1396-17-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/1396-43-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-39-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-38-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB

  • memory/1396-36-0x0000000002780000-0x0000000002836000-memory.dmp

    Filesize

    728KB