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Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2023, 13:56

General

  • Target

    NEAS.7ff3fb48f73f8481b359382afbd44acb.exe

  • Size

    399KB

  • MD5

    7ff3fb48f73f8481b359382afbd44acb

  • SHA1

    4666a392b15186da0b04f4246e977ff7ae846fb5

  • SHA256

    7921430bd122856c7a586729109f1ffac679071ac91f1c345d1942157ce10c5a

  • SHA512

    31b2293aabd8ead15603459f874be22cf25dc12a29565930283f95942df9e798e79d213dd0a6195d9a0ec6fff58a32c70d15c1fb5d24ebb7aea9be7d341fff9a

  • SSDEEP

    6144:m4EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eir4Xd5Md:8mWhND9yJz+b1FcMLmp2ATTSsdr4NW

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\NEAS.7ff3fb48f73f8481b359382afbd44acb.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.7ff3fb48f73f8481b359382afbd44acb.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2756
    • 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:2076

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

    a78cc0a242f57203a805794c148ab040

    SHA1

    25d8ab10e5599ae7f24424d668621a649542da02

    SHA256

    999c7c3e6a817e101ad5edd197e71c6f3186944b98d2eaf8b3d8cff4fae3217f

    SHA512

    76c86c13d9af16072da74d95a9d4b959d779f2056ad575d331c29d3fbf82aa1ef1b1c6b4d3b378fcc6882f17e9d6569b50b0b5765507a92049dfc4a1577944f6

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

    Filesize

    344B

    MD5

    a78cc0a242f57203a805794c148ab040

    SHA1

    25d8ab10e5599ae7f24424d668621a649542da02

    SHA256

    999c7c3e6a817e101ad5edd197e71c6f3186944b98d2eaf8b3d8cff4fae3217f

    SHA512

    76c86c13d9af16072da74d95a9d4b959d779f2056ad575d331c29d3fbf82aa1ef1b1c6b4d3b378fcc6882f17e9d6569b50b0b5765507a92049dfc4a1577944f6

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

    Filesize

    344B

    MD5

    b511d85206c7607715ec68c679d0a9b9

    SHA1

    5ff0b846512334377ca38060bdd9e47701d3108f

    SHA256

    d1557925fac33918b62aad69d38c0d7ff5d36732c0d06b2ea01527c58e9f5d37

    SHA512

    0276cdfaaf67017e7d7aba85d8d8fb1229638aed98a61717797b6c0f70b003ed65a93f149074f11d809194ad29eeff53f2e4b67fd2453b84b0b56b4441bf5661

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

    Filesize

    344B

    MD5

    444f68dc5190d13d066b06b37eff4dd6

    SHA1

    6e193ee5070ee03b9eec61cef75ae3fabda9818e

    SHA256

    0297820658ae5169d1c047e0f66cd1829e8dafe2e35b166bf64783b6191c9642

    SHA512

    76b67adb628f92797c6f515cc2eb7b0f81a9e1a1d414c8325b2fb36adc24c86e60c12f07f532dd0ab2507edc1f9a14b646b43dd59a939d19ac75f7d2a7469992

  • C:\Users\Admin\AppData\Local\Temp\AAD3.tmp

    Filesize

    2KB

    MD5

    4f8b8dc070e24981594354479f2d2bf5

    SHA1

    46392808a623dc0f717122a0028c398f4aecbc67

    SHA256

    f6d47c5e40974176b1980ae066023ab758dca8566a8db94ea87dab4a988834ca

    SHA512

    a04a4eed24b5690e7c5ecefc5e9c07f9e6126aedfadbeeaa88f7410737c2db11e0ca4f70f2006697081820382280f88b575493f81c4abc80be362c2d4fce2e0f

  • C:\Users\Admin\AppData\Local\Temp\B025.tmp

    Filesize

    481B

    MD5

    8e172fc21b4eeb8d0a21d9d8418e1749

    SHA1

    c281d2c4ec6b226e70426afee80e452de60eefa3

    SHA256

    2b258b63d40e2cb468918981fc1930fdde52975fececc229df285d14981753d3

    SHA512

    26317a71ac821ae5d009093a3837ef3d782dd2da2fe013afefe9674a22aa5f3d8961c26c81fd8b86769c92b080668c722460adfdb21584871eccc00481d6f110

  • C:\Users\Admin\AppData\Local\Temp\B064.tmp

    Filesize

    23KB

    MD5

    8b3746660c88b8bc39c84a6d57595688

    SHA1

    9088e7f3b0a74cdc8faf0e5900b3d980f919ff86

    SHA256

    fbd2dd40a63dd46091079116b74906c798d7f7d4dd085e1e5fb7a63ee511465b

    SHA512

    fc30fbacb24e30268d0991cef43cea600f0117fa9ba47552e24c75b01b38a1020633c3cd96292c3ae3dbe9fd3490b8be8574cef00552c7182221bf21f5e1bc93

  • C:\Users\Admin\AppData\Local\Temp\C0DF.tmp

    Filesize

    1KB

    MD5

    56b8292fb2bea9de18b982a2718fb406

    SHA1

    225cfcfd6916849747840a2084ee3e611d9fabdb

    SHA256

    cc6e855258f7c213a34ede10f93936d36a47609c81b21e63aa3d52c8114f4920

    SHA512

    6eff8fd0eddb470adc47ff132d03166f54633f738607eed1a2bd3133ce4b4b5fe28e8807c04db5bc5f863dc463f9db11e573c0459b6c86dab2fdca7c03773103

  • C:\Users\Admin\AppData\Local\Temp\CabC287.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\D5A8.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\D6A3.tmp

    Filesize

    22KB

    MD5

    56a01c7d9061359299eab1c954bb981f

    SHA1

    5c546071a7c002de1f5a24e41826840345a38fcb

    SHA256

    ea95022d24a9a64a53da6e59a5245ff5cb4e3165cef3e066dd1ea22f49aa030c

    SHA512

    51fbf95b2c67af5d9e6f3e41e6b1c4e9f8cd93b7b54ead58c88fee3bec2337ecbebde5aab4250ef548847f45eb85a0990f53e92ac965087bd1e39c46802ed869

  • C:\Users\Admin\AppData\Local\Temp\TarC6DE.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    399KB

    MD5

    2b24b193ff3cdb213fa3c118620a8c14

    SHA1

    43ff23f9e2ddacc944ae95661d4b7e59b8245e37

    SHA256

    9b5b57ff118503d48ce2a9b4422fd5e5dae29d27d28de846162bcca2ef9632f2

    SHA512

    325e996b451f197642125fb3e78bfe7b4cc443a9e8d87c77df6ef828aefba42bc82a60e54156e709b9b7899c020c4977bf9712469b1766a00ea1d696fa814a73

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    399KB

    MD5

    2b24b193ff3cdb213fa3c118620a8c14

    SHA1

    43ff23f9e2ddacc944ae95661d4b7e59b8245e37

    SHA256

    9b5b57ff118503d48ce2a9b4422fd5e5dae29d27d28de846162bcca2ef9632f2

    SHA512

    325e996b451f197642125fb3e78bfe7b4cc443a9e8d87c77df6ef828aefba42bc82a60e54156e709b9b7899c020c4977bf9712469b1766a00ea1d696fa814a73

  • C:\Windows\apppatch\svchost.exe

    Filesize

    399KB

    MD5

    2b24b193ff3cdb213fa3c118620a8c14

    SHA1

    43ff23f9e2ddacc944ae95661d4b7e59b8245e37

    SHA256

    9b5b57ff118503d48ce2a9b4422fd5e5dae29d27d28de846162bcca2ef9632f2

    SHA512

    325e996b451f197642125fb3e78bfe7b4cc443a9e8d87c77df6ef828aefba42bc82a60e54156e709b9b7899c020c4977bf9712469b1766a00ea1d696fa814a73

  • \Windows\AppPatch\svchost.exe

    Filesize

    399KB

    MD5

    2b24b193ff3cdb213fa3c118620a8c14

    SHA1

    43ff23f9e2ddacc944ae95661d4b7e59b8245e37

    SHA256

    9b5b57ff118503d48ce2a9b4422fd5e5dae29d27d28de846162bcca2ef9632f2

    SHA512

    325e996b451f197642125fb3e78bfe7b4cc443a9e8d87c77df6ef828aefba42bc82a60e54156e709b9b7899c020c4977bf9712469b1766a00ea1d696fa814a73

  • \Windows\AppPatch\svchost.exe

    Filesize

    399KB

    MD5

    2b24b193ff3cdb213fa3c118620a8c14

    SHA1

    43ff23f9e2ddacc944ae95661d4b7e59b8245e37

    SHA256

    9b5b57ff118503d48ce2a9b4422fd5e5dae29d27d28de846162bcca2ef9632f2

    SHA512

    325e996b451f197642125fb3e78bfe7b4cc443a9e8d87c77df6ef828aefba42bc82a60e54156e709b9b7899c020c4977bf9712469b1766a00ea1d696fa814a73

  • memory/2076-49-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-60-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-33-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-34-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-36-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-35-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-37-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-39-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-38-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-40-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-41-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-42-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-43-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-45-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-44-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-47-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-46-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-48-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-50-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-31-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-51-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-54-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-52-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-55-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-53-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-57-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-58-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-56-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-59-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-32-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-61-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-62-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-63-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-65-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-64-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-67-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-66-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-69-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-68-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-70-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-71-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-72-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-73-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-74-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-75-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-29-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-24-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-27-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-23-0x0000000000350000-0x00000000003F8000-memory.dmp

    Filesize

    672KB

  • memory/2076-21-0x0000000000350000-0x00000000003F8000-memory.dmp

    Filesize

    672KB

  • memory/2076-19-0x0000000000350000-0x00000000003F8000-memory.dmp

    Filesize

    672KB

  • memory/2076-17-0x0000000000350000-0x00000000003F8000-memory.dmp

    Filesize

    672KB

  • memory/2076-13-0x0000000000350000-0x00000000003F8000-memory.dmp

    Filesize

    672KB

  • memory/2076-15-0x0000000000350000-0x00000000003F8000-memory.dmp

    Filesize

    672KB

  • memory/2076-76-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-77-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-78-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2076-1053-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB