Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    04/06/2024, 19:34

General

  • Target

    21a7689ec85bce4cd3f6fd009fd7a09b5ef95aa5b0c7b088b3d790fde602acc5.exe

  • Size

    380KB

  • MD5

    ad8d9faca8ef77f3b8a3cca301cb06ff

  • SHA1

    d63d8f1a547061b950b173868cc300efa4018f7d

  • SHA256

    21a7689ec85bce4cd3f6fd009fd7a09b5ef95aa5b0c7b088b3d790fde602acc5

  • SHA512

    87325f7406df280c0591d29ee4c735350ea1870e4764f8ceffe1cd8fda8e3cbfca49a04a76d51981b2a5467cb0d81e84e78980a4e6dbbcec0f68718b7acb69ac

  • SSDEEP

    6144:GaEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiwmryP:6mWhND9yJz+b1FcMLmp2ATTSsdwmryP

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\21a7689ec85bce4cd3f6fd009fd7a09b5ef95aa5b0c7b088b3d790fde602acc5.exe
    "C:\Users\Admin\AppData\Local\Temp\21a7689ec85bce4cd3f6fd009fd7a09b5ef95aa5b0c7b088b3d790fde602acc5.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2288
    • 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:2220

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

    da5a3cefaa04d2232805c7ea410d16c9

    SHA1

    f8fbcfb005cba9483f1e10bbffe946107c9891cd

    SHA256

    ec0ecd8ed95b36c086a9ceb2de8ead536d7a84948c9e3a62fc86e4a6377db8fa

    SHA512

    67dbc5f2d7beea2c41100cccd98dab742edf365e13edcc8566a0fb6e61f59cfdcba6f78f3df34b930c4c787c07f6ed34a911be71378443fbc1789cc9e3451f3f

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

    Filesize

    242B

    MD5

    1bb3e42e677714e3e8b76f8d827aa15b

    SHA1

    fa90eda4543c89ca9ad18dcb1ec71da288f6d294

    SHA256

    04ab5383efdf40e285fb6e96e89594de2917429452155520bf2379a6aedbe33e

    SHA512

    d24da7654bd45ac5984237da63a234cce5cf53a8f463497673170480c5bb6ecc96663e27883436a69f72c9fb9b7056c8178c42c508dbeb98110e79b0b97766b8

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\528EVS6A\login[2].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Users\Admin\AppData\Local\Temp\2BCF.tmp

    Filesize

    457B

    MD5

    531ec87a0b2f9477a52d88b111d0d46a

    SHA1

    50a72e5752075309f91c062e0282a7e7cd1e751e

    SHA256

    4875b451859b1eb8d0d3b040b1bb8d654d212edb6d9c721cf0f4372129579385

    SHA512

    07994963fd76b31ef0ba2c7f418dcb3ee0290f6baca2d8ec63a6e6b861557b13fbc20d2f0a10a66f35c4d72d4d2c1920ac88b96174604f2f8856868912327da1

  • C:\Users\Admin\AppData\Local\Temp\3BA1.tmp

    Filesize

    42KB

    MD5

    fa262ed145ba5202350c2d6730b4cfa5

    SHA1

    618072b5c87305158933832950aaef079484fc52

    SHA256

    9ecd28d7821f9e7fd31d8ef1008e5642bb953fa42489aa26cf68f24d4d4178e5

    SHA512

    721e1d99368a8970b76c848e10346eeed6f5f9a63c8442e9f00744b4634bc6ad867c6bea0121302ab920bf38bf93edefc9d326393d99ff0b22227be0e1986f1e

  • C:\Users\Admin\AppData\Local\Temp\74BF.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\Cab2714.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar2726.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\Tar2845.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Windows\AppPatch\svchost.exe

    Filesize

    380KB

    MD5

    8c1e227117006f6da7f0f4b2f81c111c

    SHA1

    d8735591dcabda143e485f3e9ca1064fb06bdcaa

    SHA256

    ae3d97923505c454984ee44a962b679c4461370f2e8367824a341902e926c044

    SHA512

    8931c37676dd613c600097a229bde34531870dd455f07519be8a3f22163888b24952294b45d57bd4196715c730e5d1794aff1f1bf2b4c017ef5b0b33df4c1b68

  • memory/2220-34-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-76-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-37-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-48-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-53-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-52-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-54-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-51-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-50-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-49-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-47-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-46-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-45-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-44-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-43-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-42-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-41-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-40-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-39-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-38-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-36-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-35-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-27-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-31-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-33-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-32-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-64-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-68-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-77-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-29-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-75-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-74-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-73-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-72-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-71-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-70-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-69-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-67-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-66-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-65-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-63-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-62-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-61-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-60-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-59-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-25-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-58-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-57-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-56-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-55-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-449-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2220-18-0x00000000004E0000-0x0000000000588000-memory.dmp

    Filesize

    672KB

  • memory/2220-20-0x00000000004E0000-0x0000000000588000-memory.dmp

    Filesize

    672KB

  • memory/2220-22-0x00000000004E0000-0x0000000000588000-memory.dmp

    Filesize

    672KB

  • memory/2220-24-0x00000000004E0000-0x0000000000588000-memory.dmp

    Filesize

    672KB

  • memory/2220-16-0x00000000004E0000-0x0000000000588000-memory.dmp

    Filesize

    672KB

  • memory/2220-14-0x00000000004E0000-0x0000000000588000-memory.dmp

    Filesize

    672KB

  • memory/2288-12-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB