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Analysis

  • max time kernel
    141s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/07/2023, 15:42

General

  • Target

    c279089b9962cf_JC.exe

  • Size

    46KB

  • MD5

    c279089b9962cfb2ec8ed9482c8ca0eb

  • SHA1

    cdfbffcb07678f4e0f6d906b11bd5b6031cebe0f

  • SHA256

    2d84a546b178349a98abd171030811840cf7987ad7d8ae5a835f5fa518af98cd

  • SHA512

    cec2648fbbcb04efd407cb1894114559ec199399106d99d536c708da359661d3262f344fb11011f0b803e812c375644d66a7fb6f67a7e4adda4f6d6f37573693

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrnGsrTu:vj+jsMQMOtEvwDpj5HczerGsrTu

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\c279089b9962cf_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c279089b9962cf_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2896
    • 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:4248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    17a62206dfa543bb6cfbd46c952de466

    SHA1

    a4b0c668535fe78a60b9bd16f549e2483665adbb

    SHA256

    c87c7f0ed199b712bbd19e4de5179e3d86edfcee9cac4373792fce3684d4297b

    SHA512

    3609b85b9c0048659755ebf22d5e8cac7996c5611954ae10b863cc9cd2098271e16edea835f3ca54a7694596979ed98a11e6b21457394f932d9dc9d5e2a22a6b

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

    Filesize

    46KB

    MD5

    17a62206dfa543bb6cfbd46c952de466

    SHA1

    a4b0c668535fe78a60b9bd16f549e2483665adbb

    SHA256

    c87c7f0ed199b712bbd19e4de5179e3d86edfcee9cac4373792fce3684d4297b

    SHA512

    3609b85b9c0048659755ebf22d5e8cac7996c5611954ae10b863cc9cd2098271e16edea835f3ca54a7694596979ed98a11e6b21457394f932d9dc9d5e2a22a6b

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

    Filesize

    46KB

    MD5

    17a62206dfa543bb6cfbd46c952de466

    SHA1

    a4b0c668535fe78a60b9bd16f549e2483665adbb

    SHA256

    c87c7f0ed199b712bbd19e4de5179e3d86edfcee9cac4373792fce3684d4297b

    SHA512

    3609b85b9c0048659755ebf22d5e8cac7996c5611954ae10b863cc9cd2098271e16edea835f3ca54a7694596979ed98a11e6b21457394f932d9dc9d5e2a22a6b

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2896-133-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2896-134-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2896-135-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4248-150-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/4248-151-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB