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Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/07/2023, 13:34

General

  • Target

    89168da8c5ef4f_JC.exe

  • Size

    83KB

  • MD5

    89168da8c5ef4fe5f38ea700590ce79e

  • SHA1

    82ac375e28887446fabe82a102b5ac17b6c04f38

  • SHA256

    fc8c65b12abf5ea25a5658b344569f4589806431d619f3c9038d447c4a3f9d5b

  • SHA512

    beb39febc4a50baaa2529c9395e7f06430025c8819c0034aa4c18d1703e41e7f3e0e0192e9c14926f09eae94e9594961d4f100e07e39c745cb43897639c725c2

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnzvNG1Q:ZzFbxmLPWQMOtEvwDpj386Sj/RsxQzE

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89168da8c5ef4f_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\89168da8c5ef4f_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    83KB

    MD5

    d5f3419b88b88fa5829433d33fd21fb5

    SHA1

    eb52b5f037adec40b747bb3916c12c42ae9484df

    SHA256

    e60efd25fbe394751930ad81bf528cbfa5fb4311845e50429d53d5941f084407

    SHA512

    3b7e20e255ac3d75ff53c4be4d7553a84bb80b708e45f98fa8f241b770bd9761f3c37bed5dd7c03ec58b66aa2790d32ff53c8532ea17d95c9c05b8f0c37c2459

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

    Filesize

    83KB

    MD5

    d5f3419b88b88fa5829433d33fd21fb5

    SHA1

    eb52b5f037adec40b747bb3916c12c42ae9484df

    SHA256

    e60efd25fbe394751930ad81bf528cbfa5fb4311845e50429d53d5941f084407

    SHA512

    3b7e20e255ac3d75ff53c4be4d7553a84bb80b708e45f98fa8f241b770bd9761f3c37bed5dd7c03ec58b66aa2790d32ff53c8532ea17d95c9c05b8f0c37c2459

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

    Filesize

    83KB

    MD5

    d5f3419b88b88fa5829433d33fd21fb5

    SHA1

    eb52b5f037adec40b747bb3916c12c42ae9484df

    SHA256

    e60efd25fbe394751930ad81bf528cbfa5fb4311845e50429d53d5941f084407

    SHA512

    3b7e20e255ac3d75ff53c4be4d7553a84bb80b708e45f98fa8f241b770bd9761f3c37bed5dd7c03ec58b66aa2790d32ff53c8532ea17d95c9c05b8f0c37c2459

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3996-149-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3996-152-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3996-151-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4480-133-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4480-134-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4480-135-0x0000000000810000-0x0000000000816000-memory.dmp

    Filesize

    24KB