Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 00:05

General

  • Target

    8d4f15d230403dc41be201db493c3da66f29ebad75bbfc53a559c4a6c372d925.exe

  • Size

    218KB

  • MD5

    370c7b1ecf6a60a3fa2b6f5e08a102cd

  • SHA1

    eb8b0f6b5128015d731ebeb7f62e15838e544385

  • SHA256

    8d4f15d230403dc41be201db493c3da66f29ebad75bbfc53a559c4a6c372d925

  • SHA512

    13c1d1fd10efde6b5499d5eee89308b954c8bf7d6141c54234325bb29b8563c6472328cce6b4d39fb51a5187597cbb1c7a313ede88d1617d9ec780533f506a8b

  • SSDEEP

    6144:yEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:yEGDdQNHEwWlMxYG/wI

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\8d4f15d230403dc41be201db493c3da66f29ebad75bbfc53a559c4a6c372d925.exe
    "C:\Users\Admin\AppData\Local\Temp\8d4f15d230403dc41be201db493c3da66f29ebad75bbfc53a559c4a6c372d925.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1760
    • 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:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • 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

    0a5d1c405e43c80a0a5a0bc31ce4f6a4

    SHA1

    13a15eed31d5536e5b2f6ed196cc7aab9b0c99b8

    SHA256

    3d15b6678e8f101fab2a18feeb6b579a491b24de4dd1fab5ed0855480c1a0c47

    SHA512

    9e1dfaaf72043e3b4596295cbec4675d17d29b6ac125310a7f6c8a3169a9da9e705686fe281a1b70c5949960a8f2dcb1fe71557231a987e7e7f5f78c7cf2c40a

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

    Filesize

    342B

    MD5

    6a949dc4862fbfb567f827fb1c47674e

    SHA1

    0c4be097c226ea6391b7936b91cd99ed22f3850f

    SHA256

    4df50013dc0eca1c3ab34ff64143f0986c36552a183652ee1a683caf288a827a

    SHA512

    4627a4824ee7e1a7acaa97dec421f41ba50647694202afa14f0b2c77037481a98f972c95877aad7a957013ae01f7b8872ae95b4dd05c2cf2d9bd16f179ec2445

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

    Filesize

    242B

    MD5

    e089f68cb7218090cb30b312d8343736

    SHA1

    3f1663e48906393c2ae95399e1b54a85ea08744e

    SHA256

    0e2ae562b71245d22214b1a392ae4e65e857fd97d56faeb661ae06831ee7298e

    SHA512

    52ae69995572223309fa6cc913939586f53eed7f18782104f9f6f3ab1ea902872d762b27ba7bd696c1ac4b11a5ea193de38769d191fe86ccfd04f4ad012de154

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\528EVS6A\login[6].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Users\Admin\AppData\Local\Temp\1965.tmp

    Filesize

    481B

    MD5

    f90dc93bd38e933d1abb9a8ba7c9b57d

    SHA1

    1c01fd8cd3badaa81d6b2e014ab9350bd685afbe

    SHA256

    435dfb4c35662d44c8c883875c85fa1844d2474f321b9a7671df8fb90f87bc43

    SHA512

    49f549d79222baa5c78fd9dea92e84ddc7a202cd3ce51cad78814d4c7e425303eabfddfd9a9794256063d97d50536c47561be2d82a9f82e2d31f9111605e8641

  • C:\Users\Admin\AppData\Local\Temp\19B4.tmp

    Filesize

    42KB

    MD5

    6151c9c6542662e057f3e1872749de58

    SHA1

    c981d95cb7af5b36e077c448f89bbd894f7f0a56

    SHA256

    4defc719304e8f6839a1865372d4f2507f5ead6219ad9bcdb0478b5410e0beef

    SHA512

    b07d38bebf2a2a04366b870ecc5b7b01822b2870f5088188685eae18d5a2c28a0f3127fea58762241cb4f344999bbf9dc2f75b1752d77ffd7d4f1bb285ea7b9d

  • C:\Users\Admin\AppData\Local\Temp\8E8.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\Cab624F.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\F38D.tmp

    Filesize

    457B

    MD5

    531ec87a0b2f9477a52d88b111d0d46a

    SHA1

    50a72e5752075309f91c062e0282a7e7cd1e751e

    SHA256

    4875b451859b1eb8d0d3b040b1bb8d654d212edb6d9c721cf0f4372129579385

    SHA512

    07994963fd76b31ef0ba2c7f418dcb3ee0290f6baca2d8ec63a6e6b861557b13fbc20d2f0a10a66f35c4d72d4d2c1920ac88b96174604f2f8856868912327da1

  • C:\Users\Admin\AppData\Local\Temp\Tar6252.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\Tar62F4.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Windows\apppatch\svchost.exe

    Filesize

    218KB

    MD5

    d253b5624602ef35c87b0850106af0e7

    SHA1

    555afb08da1a96f269b33c129604c46a88f7ecf9

    SHA256

    3e04f967cbe230fb3d4e3d5a492ec105611e267d6862d6341fa4746433f0c1a2

    SHA512

    58e31a85634d065a11b73ba78873b500354d2ed50e9154f99dd5c3b3aae2dbb8d0d178ed7f3abb6911cecc1760ca1ef70da8f378b35d8b78cc467ba5244c237f

  • memory/1760-0-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/1760-1-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/1760-16-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/1760-18-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/1760-19-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1760-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2872-61-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-49-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-78-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-77-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-76-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-75-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-74-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-73-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-72-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-71-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-70-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-69-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-68-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-67-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-65-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-64-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-63-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-62-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-80-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-60-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-59-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-58-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-57-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-56-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-55-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-54-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-53-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-52-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-50-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-79-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-48-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-47-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-46-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-45-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-44-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-43-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-41-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-40-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-36-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-34-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-33-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2872-29-0x00000000023E0000-0x0000000002488000-memory.dmp

    Filesize

    672KB

  • memory/2872-25-0x00000000023E0000-0x0000000002488000-memory.dmp

    Filesize

    672KB

  • memory/2872-21-0x00000000023E0000-0x0000000002488000-memory.dmp

    Filesize

    672KB

  • memory/2872-81-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-82-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-83-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-84-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-66-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-51-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-42-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-38-0x0000000002590000-0x0000000002646000-memory.dmp

    Filesize

    728KB

  • memory/2872-32-0x00000000023E0000-0x0000000002488000-memory.dmp

    Filesize

    672KB

  • memory/2872-30-0x00000000023E0000-0x0000000002488000-memory.dmp

    Filesize

    672KB

  • memory/2872-20-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2872-17-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2872-28-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2872-23-0x00000000023E0000-0x0000000002488000-memory.dmp

    Filesize

    672KB