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Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 23:38

General

  • Target

    4f2430823ff67284a732b8eadbfc4a94fc27a8310cc5ebbd0218b6db6acf9f7aN.exe

  • Size

    56KB

  • MD5

    8882cd508db89d4f4439dd15d7b136a0

  • SHA1

    f21ebf68e11db5892befe307dd36372f5ec96998

  • SHA256

    4f2430823ff67284a732b8eadbfc4a94fc27a8310cc5ebbd0218b6db6acf9f7a

  • SHA512

    4f2c58fde9b629c7b4cb3905ff8b27d72dc51602e2dec95107ef022d6a7b676cfad0a97c02b96efd30735ea480a2ea7ede6819615e41869b84e9d07c2815afd2

  • SSDEEP

    768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcp6:zj+soPSMOtEvwDpj4ym

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
  • UPX packed file 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f2430823ff67284a732b8eadbfc4a94fc27a8310cc5ebbd0218b6db6acf9f7aN.exe
    "C:\Users\Admin\AppData\Local\Temp\4f2430823ff67284a732b8eadbfc4a94fc27a8310cc5ebbd0218b6db6acf9f7aN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    d2ac86706c316f2497abd7348777b9de

    SHA1

    38c8bf7275ae6502f576505506cd329bad69313e

    SHA256

    95d9157d282e9ac734f90db248f226edd88c92d2a8d3167fb77ffde973f32eb7

    SHA512

    2056828f059c4a403886f727a7aa25b333acccf3461024c9ac22063af0301706218b95e226e597b34a54d94976bc64586f65f30aed69227f6b03e2d0b1cf1e89

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2100-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2100-20-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/2100-21-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/2100-49-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2420-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2420-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2420-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2420-4-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2420-19-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB