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Analysis

  • max time kernel
    144s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2023, 16:20

General

  • Target

    NA_NA_157f9e4c102fe5exeexe_JC.exe

  • Size

    81KB

  • MD5

    157f9e4c102fe5e113fff591c1ee5057

  • SHA1

    04e07cecaeccef99174bb4893b89a70537c9f541

  • SHA256

    3b0b86c4d46001d98b50d2deeb89e20f8bfb469d801c18cbd4b543c51067f446

  • SHA512

    26d919ae40cd0e62c36835e9b8eca2acfe612114d80c9a43e5e8b17fc8544e914bf5741b6b68de6767e60c6df871bc1f171d87c835ae1e7c58b5ea06e9e09502

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnzvNG1I:ZzFbxmLPWQMOtEvwDpj386Sj/RsxQzc

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\NA_NA_157f9e4c102fe5exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_157f9e4c102fe5exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2660
    • 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:3452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    81KB

    MD5

    e3171174c9dbf90c3c69ac2a353e28ad

    SHA1

    249a8ce5910ed35f465f4156a8b9e1cfa7df2695

    SHA256

    8178d39f927e690166b268f2a94a5cf89377c0049e24fe08bb9e3aa07ee20c48

    SHA512

    daaa641c2de1188e9950ddef1488ffaebda7165f0c2aad56e8a01ba2fa4e0ea74566d73863d1225f228239eed78fb90ec0de5e88d147a0ec66cd64068dd6917d

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

    Filesize

    81KB

    MD5

    e3171174c9dbf90c3c69ac2a353e28ad

    SHA1

    249a8ce5910ed35f465f4156a8b9e1cfa7df2695

    SHA256

    8178d39f927e690166b268f2a94a5cf89377c0049e24fe08bb9e3aa07ee20c48

    SHA512

    daaa641c2de1188e9950ddef1488ffaebda7165f0c2aad56e8a01ba2fa4e0ea74566d73863d1225f228239eed78fb90ec0de5e88d147a0ec66cd64068dd6917d

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

    Filesize

    81KB

    MD5

    e3171174c9dbf90c3c69ac2a353e28ad

    SHA1

    249a8ce5910ed35f465f4156a8b9e1cfa7df2695

    SHA256

    8178d39f927e690166b268f2a94a5cf89377c0049e24fe08bb9e3aa07ee20c48

    SHA512

    daaa641c2de1188e9950ddef1488ffaebda7165f0c2aad56e8a01ba2fa4e0ea74566d73863d1225f228239eed78fb90ec0de5e88d147a0ec66cd64068dd6917d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2660-133-0x00000000004F0000-0x00000000004F3000-memory.dmp

    Filesize

    12KB

  • memory/2660-134-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2660-135-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2660-136-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/2660-150-0x00000000004F0000-0x00000000004F3000-memory.dmp

    Filesize

    12KB

  • memory/3452-151-0x0000000000460000-0x00000000004A0000-memory.dmp

    Filesize

    256KB

  • memory/3452-153-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3452-154-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB