Analysis

  • max time kernel
    151s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 20:14

General

  • Target

    NEAS.4430be82a353203babc9a38ea933ec20.exe

  • Size

    45KB

  • MD5

    4430be82a353203babc9a38ea933ec20

  • SHA1

    c508fc1b948bc1076bcbaf0da69fb5925a009f0a

  • SHA256

    e42160073f60e26fd2b0ba761b4e0b98c60b27fdce68fc839cccfdd5732c497a

  • SHA512

    43547b414c49dbf545c98ad9a14728a2bd2c23c760a85a2a65e703bf17e8172e652517e99feb19af8d6cfbc580c1d56dedb91c1b06ec89edc51b72babe4216df

  • SSDEEP

    384:nJpVOCUtDqYCfRgGW6DBi9+eY77Ybrvgp5E9fWWq53txEXM/Y:nJTOtFqRfqGW6N4g71pu9fWWq53ET

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.4430be82a353203babc9a38ea933ec20.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4430be82a353203babc9a38ea933ec20.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\cfinst.exe
      "C:\Users\Admin\AppData\Local\Temp\cfinst.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\19C0079C970A31C0644ECCFA9BDD4E6B

    Filesize

    5B

    MD5

    5bfa51f3a417b98e7443eca90fc94703

    SHA1

    8c015d80b8a23f780bdd215dc842b0f5551f63bd

    SHA256

    bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

    SHA512

    4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

  • 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\19C0079C970A31C0644ECCFA9BDD4E6B

    Filesize

    418B

    MD5

    ce004d6bbcc295b4949f6ed71f515561

    SHA1

    fca449538cefdcd9e2346d52538487587cf94e8a

    SHA256

    a7719de3310ac9c0a1f15f6e184040e78df467bdae6b9cc75dfcd4a5103f1a33

    SHA512

    c056595eda3b3da2c9fbce0cc30f4fdffcf194436b44d89c449a73b66bc33fe51359511f5a9bcf574636999e784ed2ef99b7528753a71e5622db593454a69732

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\19C0079C970A31C0644ECCFA9BDD4E6B

    Filesize

    418B

    MD5

    59ffaafff6b8c9c4e0498189c5f05ce4

    SHA1

    a4896aa2bd8e340d667a8e5147c84888d7860cb5

    SHA256

    93b3e54866a798cc8cc7d925ba17ce5c21634ebe29ba7e640294ad44fca3bd40

    SHA512

    3fbf49a98e03f313402d777a6156eca935ddc4fba25aa017ca02c2c0b7e3f713f1ea60ea89d3826425b4ba71b52f05804e1301654c5d3ceb8eb6ccc28efd020a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\19C0079C970A31C0644ECCFA9BDD4E6B

    Filesize

    418B

    MD5

    494cc530ccc380dcf74cee254a6c4d62

    SHA1

    687482c08f612ea35f6e93c3796d6e713d232468

    SHA256

    49696a6810ffafea9b62f2c76eff2102a8b1616bdd11c5b6fceb2aecc5ba6ade

    SHA512

    6b24c45e1c168785c0f64f1f197149fd35e0efe55a6e81d736e1d3ab05469727d65895ebc72a6f5cccaf6e985fcc6827575cb45880382a75750d71b0f8111ecd

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\19C0079C970A31C0644ECCFA9BDD4E6B

    Filesize

    418B

    MD5

    7619b3e0bead49a1e804990181d5ed71

    SHA1

    134f601ba71587d11f278472815e9494ab2c8cf1

    SHA256

    0e43c534e386b2d0f7037135ff59317e9da7651e738e65f6f722c83ceba6d7a7

    SHA512

    977e4fabe6bf8f61c9dfdc23ad39ea6e4805d2cdcf18f5154548420ed36a0920b1a01b6b09c38ef1210696672fb7e386b54b365044055d0c98fbdcadee92cdb1

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

    Filesize

    344B

    MD5

    59b33683409bfc8e8497e17553ea27f4

    SHA1

    7518d99bd866fc98915f6765ff680425773479bf

    SHA256

    64cdfda83cb7a94f164e30b6045677101ddd466f515ac0c0646fe1313ed90330

    SHA512

    08dbf1223cbf53701d8d0dacd2b5ca74a70b5469b324135b60f51989131afcbec4416fe0a26ce1b6ba4cc21b2b15964b65fef54364981c690ac7def825c0849b

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

    Filesize

    344B

    MD5

    724791c64fcec9ade50eaba986b425b2

    SHA1

    8d9089f56f122f54e98051352639961e1f0a85ed

    SHA256

    1e60b68610a8bfcd490c510da4bbc8d11d4b2fae7ff5c211f46643061cd3e15f

    SHA512

    36e7d0e84f8ba5a0cd8774a2c2d64eb026d00a51fab97237cb9572cb78942dda7448c2535345555ffcc81854c037f7d460314d0771c4b83aa2b96d13b68e0657

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

    Filesize

    242B

    MD5

    956c8a6752171813034c5eeeb0275402

    SHA1

    b15a6b318021c9662401d040d75d42e23a64ca17

    SHA256

    39734cefc7d1cfcbd1f7e999b615547712f08c7c689c9d1e5d53252795da0ba2

    SHA512

    61649bc96df518d9357407fac17f41a742a4d6ca411f68643f938f3581f935b65317e063dce2b07d7d4af7df49cbec91b5cbc17900cd02d33e7e78c3074c9050

  • C:\Users\Admin\AppData\Local\Temp\CabC62E.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarC6AE.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\cfinst.exe

    Filesize

    45KB

    MD5

    be708f5b7b3425341d9b9a166b839207

    SHA1

    f296b83f811a4e69f483a18187477ffb33dda5e1

    SHA256

    3d4a881b3423c9afc23c0826ee916a475520805fff766e1774886cd44ca0d2e9

    SHA512

    9a3ae8682dff809819f5b7b80c26aebb0f2f22a05b70a249d451d668dae52282f021528c96b546592a0d3abf804caec942eae6c1eaa078744bf32d1d4cd7394b

  • C:\Users\Admin\AppData\Local\Temp\cfinst.exe

    Filesize

    45KB

    MD5

    be708f5b7b3425341d9b9a166b839207

    SHA1

    f296b83f811a4e69f483a18187477ffb33dda5e1

    SHA256

    3d4a881b3423c9afc23c0826ee916a475520805fff766e1774886cd44ca0d2e9

    SHA512

    9a3ae8682dff809819f5b7b80c26aebb0f2f22a05b70a249d451d668dae52282f021528c96b546592a0d3abf804caec942eae6c1eaa078744bf32d1d4cd7394b

  • \Users\Admin\AppData\Local\Temp\cfinst.exe

    Filesize

    45KB

    MD5

    be708f5b7b3425341d9b9a166b839207

    SHA1

    f296b83f811a4e69f483a18187477ffb33dda5e1

    SHA256

    3d4a881b3423c9afc23c0826ee916a475520805fff766e1774886cd44ca0d2e9

    SHA512

    9a3ae8682dff809819f5b7b80c26aebb0f2f22a05b70a249d451d668dae52282f021528c96b546592a0d3abf804caec942eae6c1eaa078744bf32d1d4cd7394b

  • memory/1456-0-0x0000000004000000-0x0000000004010000-memory.dmp

    Filesize

    64KB