Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2024 14:17

General

  • Target

    975b62dab787e8d2e537dd35950b2540.exe

  • Size

    355KB

  • MD5

    975b62dab787e8d2e537dd35950b2540

  • SHA1

    463aaf6aaaa1534ebd1894fab50cebca5bc90bd4

  • SHA256

    ff33c207cdf78dc7f1b8f3ba6998054439aaf1ad0608dbaed0b51e376da26caa

  • SHA512

    99a948999b390d161c411a324e3811a65c07c547c0f761cde7a96cc94be9a9d331a691eacbaf5b9bbef0106470be2bcea87d8908f4b4ae67dc00d23b2e298cd3

  • SSDEEP

    6144:w3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:LmWhND9yJz+b1FcMLmp2ATTSsdS

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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\975b62dab787e8d2e537dd35950b2540.exe
    "C:\Users\Admin\AppData\Local\Temp\975b62dab787e8d2e537dd35950b2540.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1652
    • 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:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

    36b5bbf65cdc1eb773f8f0eea2f8d9de

    SHA1

    6f47a91c14ed32798cfd70a934f9a1f7d938729c

    SHA256

    5531b00d621619cc4c46ac3227dfdcaf8d7a26351d0a190cc600b81b4478cf7d

    SHA512

    700c02fcff3ce1d9ce525a52eb4f15922f98089094a0bce343b8d7a3a3d63479129c8c69d7d34612fb41c2c048eca43997672b891e9a4ffecb89dcf80d2a9fe8

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

    Filesize

    344B

    MD5

    f5062cd093d12c69c70f4184288f4885

    SHA1

    7bedc20063feaa6ee1b77ec897560922a50c6936

    SHA256

    05b4228101a741648e1a07276c1a37b0c3a4e3fca84f02f1cbd38ce5e30da02e

    SHA512

    013032075de26c9694b7cf8a7182ff68e1b4315444e0978b1fcb2f8a9c7a19df640f47aa7b74d3b14286c0e408078f88b1901895082c39f4e069f9a005deafc7

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

    Filesize

    344B

    MD5

    ed9aef89120b752d9c472fd7793c0e58

    SHA1

    526df4b6f9cf19a48476ae4bdf3da993cebad688

    SHA256

    4d45b6f36fd3acb15cc1b7667e2b6c759777af60cc565f75be7f47beb1942af4

    SHA512

    aedef16b3f0c039e5c1f236e3b7960c6de016f6d2b063eeedec24e3f3296e473358b425f27fefc651ed6efbba211891ca5d2d39b6c72534fca406324b0428c3e

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

    Filesize

    344B

    MD5

    9efcd88eb7f75848f06ca1241a7f4f5a

    SHA1

    2d591ca63d669a52a3b9f6361fea88492d8deb48

    SHA256

    b7e75897001439da959db9b4b15aa17c70560e6a6b9cfdeac8a5d769ecae0163

    SHA512

    0d319f71fd850bc67ddd78c08a2475bbc9e598417b8d2a40c2af8593531fe0f82a48cfd6b504158d88c20f634d2ff3817872a7194494f74620affe2333454a47

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

    Filesize

    344B

    MD5

    7c29176f602c6e53324d2c4fa0057aa2

    SHA1

    c22336b018bf32096d53f78565f83d6d7da18916

    SHA256

    4add8fc3e02810432cdb1b7cf22c80e056d2d8ebd958c711977c4da6c371400a

    SHA512

    b9125c23d773420fa1f05016c95d643b1368d35797ae741aee69ad5a39380c1ce1b15407fb2bc0ced1e26babb26b81c2444533d577daa0ec5d9c8a97054652cd

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

    Filesize

    242B

    MD5

    b88ceb5291a4aebe701bd75299df0856

    SHA1

    df270f78ecf935d5b268feeed68112af494ed213

    SHA256

    43a80386925de850fe3afcfd0ac24271cebe0690f059e4170e8440fa4c27003e

    SHA512

    ee128654dc70297cd5d0431b86ec0c446a0d3801458179fc54f11f68f0b99e3b740ffa49919904abfae59239b0a4b3d51213119cc3e3218a534f31e98e90f8ca

  • C:\Users\Admin\AppData\Local\Temp\3DC4.tmp

    Filesize

    1KB

    MD5

    43cada538b1dd7237be2c195962bfb60

    SHA1

    4dbe5bd5aec1f9c20cc7d0b67132d941f5ef06cb

    SHA256

    13f56c908a64cde449c81cd25a552c8cdc2934a56577232dc0e0fedac90737ee

    SHA512

    b6a9480b955b11f9a2bfe35cd757424ad94ea3dfa3134f055dc5d9deae4bf6f23c0b3b6b0323f0e45f7e199c3c7ff0290bd6e109004824185f843e11427025c1

  • C:\Users\Admin\AppData\Local\Temp\5216.tmp

    Filesize

    1KB

    MD5

    8539e3219f1f3baaff719c0f85c6f857

    SHA1

    5ee9b9dc1dc464cc80105e422b4b3507f7fd4b3e

    SHA256

    6a1ef53888b327ec6372aac05b5191392436f83770062bd6e1defc69c349cbb5

    SHA512

    35265b4765e7a366cf7e074b7e197c459e185a421b443239a2ac06c0ca9efb6c58e900948c30f62d31ebd1c8b479c6a33d89b089444f4f9b9f5aa114a1e41550

  • C:\Users\Admin\AppData\Local\Temp\Cab60D.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\F3CC.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\TarA73.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    1a1ab02857474a92773ed8b996076d0e

    SHA1

    538a8be5742d10f632a6cbebc6391b8adc2fc3a3

    SHA256

    da801412b1f326102a1297495af3d21999ddf45544b4d200421992ccf7d86e1b

    SHA512

    902931c420b636ce6df9ef4464edf9927a5e15692e294829ee2f4196a05a3eb23a048492368bfaa3d2f0294edd2f166ebdae932028d9c2f5534550fba81669b5

  • memory/2188-46-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-54-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-32-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-31-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-33-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-35-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-36-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-34-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-37-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-38-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-39-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-40-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-41-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-42-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-43-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-45-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-44-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-24-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-47-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-48-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-49-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-50-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-51-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-52-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-53-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-29-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-55-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-56-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-57-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-58-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-59-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-61-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-60-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-62-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-63-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-64-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-65-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-68-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-69-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-27-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-23-0x0000000001EC0000-0x0000000001F68000-memory.dmp

    Filesize

    672KB

  • memory/2188-21-0x0000000001EC0000-0x0000000001F68000-memory.dmp

    Filesize

    672KB

  • memory/2188-19-0x0000000001EC0000-0x0000000001F68000-memory.dmp

    Filesize

    672KB

  • memory/2188-17-0x0000000001EC0000-0x0000000001F68000-memory.dmp

    Filesize

    672KB

  • memory/2188-15-0x0000000001EC0000-0x0000000001F68000-memory.dmp

    Filesize

    672KB

  • memory/2188-13-0x0000000001EC0000-0x0000000001F68000-memory.dmp

    Filesize

    672KB

  • memory/2188-72-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-86-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-87-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB

  • memory/2188-212-0x0000000002340000-0x00000000023F6000-memory.dmp

    Filesize

    728KB