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Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2023, 10:57

General

  • Target

    3ac1f6d92dc16fexeexe_JC.exe

  • Size

    102KB

  • MD5

    3ac1f6d92dc16ff725da7e872850d2e7

  • SHA1

    8052ee620938bda97691be964457658029915c9d

  • SHA256

    ca960813ce03153cc5ead752d2f889e7ff406a95ef869ef35f1ee68729e76401

  • SHA512

    e0a252059948eeba6268b98395a50884c4a180b73ccd284d76c978b528c5a6d86aec30a87b3fcef43a474b691f74cbec663b7747c58144d980197b2286a1379b

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWCCyDLKASkjolK5:xj+VGMOtEvwDpjubwQEIie8+ASk95

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\3ac1f6d92dc16fexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\3ac1f6d92dc16fexeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4616
    • 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:3016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    102KB

    MD5

    b55d763a9bb034a5e959d8cfba8feb9f

    SHA1

    6d105ac74a1f19e7338874765961ae30035c68e7

    SHA256

    d961a3982e2690ed36404742d175cd7678e9e3ade84f38a2ce2662d4e1921f66

    SHA512

    eb47f95797dc7562b7eb3c94c59ee2badd443b9cd914023d07c7a1b8e7f359c96cb03e1e25edf399a52e7adddbd077e0e3f3218de4842ab6fafacad5d143ce95

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

    Filesize

    102KB

    MD5

    b55d763a9bb034a5e959d8cfba8feb9f

    SHA1

    6d105ac74a1f19e7338874765961ae30035c68e7

    SHA256

    d961a3982e2690ed36404742d175cd7678e9e3ade84f38a2ce2662d4e1921f66

    SHA512

    eb47f95797dc7562b7eb3c94c59ee2badd443b9cd914023d07c7a1b8e7f359c96cb03e1e25edf399a52e7adddbd077e0e3f3218de4842ab6fafacad5d143ce95

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

    Filesize

    102KB

    MD5

    b55d763a9bb034a5e959d8cfba8feb9f

    SHA1

    6d105ac74a1f19e7338874765961ae30035c68e7

    SHA256

    d961a3982e2690ed36404742d175cd7678e9e3ade84f38a2ce2662d4e1921f66

    SHA512

    eb47f95797dc7562b7eb3c94c59ee2badd443b9cd914023d07c7a1b8e7f359c96cb03e1e25edf399a52e7adddbd077e0e3f3218de4842ab6fafacad5d143ce95

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3016-152-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3016-153-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/3016-181-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4616-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4616-134-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4616-135-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4616-136-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/4616-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB