Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 14:59

General

  • Target

    Update.exe

  • Size

    38.5MB

  • MD5

    e1677dda9029b6a47c09f89fadcb32fe

  • SHA1

    2ba06de5df5348336de4218d8dfb08cb89687f29

  • SHA256

    85d1a8a1b427c26b9b6d304658dcef90998687e1ca894293bbe335da9b79eb69

  • SHA512

    5189213d706def83e4be07c2557dedf34e35c305a8453417083027c03d32822687fcd3d1d55778449d51ee97d4293fd7f489ef7a673bb956318f44c629bd5107

  • SSDEEP

    786432:5RQBrMQP00pusvRWJ67Q/UBBf3gss9rUqJsQ5mmKr1+5dbRho:5ROrLLvRk/ywss5Jwkd

Score
7/10
upx

Malware Config

Signatures

  • Loads dropped DLL 7 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Update.exe
    "C:\Users\Admin\AppData\Local\Temp\Update.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\Update.exe
      "C:\Users\Admin\AppData\Local\Temp\Update.exe"
      2⤵
      • Loads dropped DLL
      PID:2648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI22122\api-ms-win-core-file-l1-2-0.dll

    Filesize

    21KB

    MD5

    3473bc217562594b5b126d7aeb9380e9

    SHA1

    b551b9d9aa80be070f577376e484610e01c5171a

    SHA256

    0d8190fd619feb20df123931108d499132f7051f1ebb0ef246082f4c52c88b22

    SHA512

    036b93457ade632ad68264d81ff26ee1156038e234c606882386d6babcbe722a18e9ced1655f97caecaf5fd514e261dafe999a3e9fec00cc677e177f0bf8e203

  • C:\Users\Admin\AppData\Local\Temp\_MEI22122\api-ms-win-core-file-l2-1-0.dll

    Filesize

    20KB

    MD5

    50abf0a7ee67f00f247bada185a7661c

    SHA1

    0cddac9ac4db3bf10a11d4b79085ef9cb3fb84a1

    SHA256

    f957a4c261506484b53534a9be8931c02ec1a349b3f431a858f8215cecfec3f7

    SHA512

    c2694bb5d103baff1264926a04d2f0fe156b8815a23c3748412a81cc307b71a9236a0e974b5549321014065e393d10228a0f0004df9ba677f03b5d244a64b528

  • C:\Users\Admin\AppData\Local\Temp\_MEI22122\api-ms-win-core-localization-l1-2-0.dll

    Filesize

    21KB

    MD5

    0414909b279ea61ca344edbe8e33e40b

    SHA1

    4ece0dabe954c43f9bd5032de76ec29c47b22e10

    SHA256

    05b0c773a77850f3d50ddb4b82cc4d5f19316fe1aaa65e21b4709ae73f60a28e

    SHA512

    edbd33540cd1ef69f2ce824cfb991903ec6e4edda815f07d610247594ceeb2ebc78f05a44b4de8c5c937191b7e8b2ef221423c06df303d73deea721c25d15eed

  • C:\Users\Admin\AppData\Local\Temp\_MEI22122\api-ms-win-core-processthreads-l1-1-1.dll

    Filesize

    21KB

    MD5

    b1ba47d8389c40c2dda3c56cbed14fc5

    SHA1

    2eef9ffa32171d53affa44e3db7727aa383f7fac

    SHA256

    c7277c05dc6b905fad5cb930b0ecfbbc4676b46974b4571e54ca44cb6f6be404

    SHA512

    466e31f17f73bda5149343b23f4966502a8597d2a2e43f9a6c9c32387451d92c6b658ccaae27044e68e4a9fd0ef9c89e32dc7639d59fcf04c596b6abfa09658b

  • C:\Users\Admin\AppData\Local\Temp\_MEI22122\api-ms-win-core-timezone-l1-1-0.dll

    Filesize

    21KB

    MD5

    953c63ef10ec30ef7c89a6f0f7074041

    SHA1

    4b4f1ff3085fded9dbd737f273585ad43175b0a3

    SHA256

    c93954167c12e15b58ac95240d2e0a2fbd94561d739d9f6aca906d9c30453496

    SHA512

    b4534785e4d02ad387e3c6082884d438cc4b3cd8758aabcf99620052f5842dbd298351bc1723c274d4f7d3fce0cc940df3d47865fece2f07cdb1151376ba852e

  • C:\Users\Admin\AppData\Local\Temp\_MEI22122\python311.dll

    Filesize

    1.6MB

    MD5

    b167b98fc5c89d65cb1fa8df31c5de13

    SHA1

    3a6597007f572ea09ed233d813462e80e14c5444

    SHA256

    28eda3ba32f5247c1a7bd2777ead982c24175765c4e2c1c28a0ef708079f2c76

    SHA512

    40a1f5cd2af7e7c28d4c8e327310ea1982478a9f6d300950c7372634df0d9ad840f3c64fe35cc01db4c798bd153b210c0a8472ae0898bebf8cf9c25dd3638de8

  • C:\Users\Admin\AppData\Local\Temp\_MEI22122\ucrtbase.dll

    Filesize

    1.1MB

    MD5

    3b337c2d41069b0a1e43e30f891c3813

    SHA1

    ebee2827b5cb153cbbb51c9718da1549fa80fc5c

    SHA256

    c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7

    SHA512

    fdb3012a71221447b35757ed2bdca6ed1f8833b2f81d03aabebd2cd7780a33a9c3d816535d03c5c3edd5aaf11d91156842b380e2a63135e3c7f87193ad211499

  • memory/2648-66-0x000007FEF5ED0000-0x000007FEF64C0000-memory.dmp

    Filesize

    5.9MB