Analysis

  • max time kernel
    143s
  • max time network
    153s
  • 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, 18:33

General

  • Target

    NA_NA_2491568747a7b3exeexe_JC.exe

  • Size

    89KB

  • MD5

    2491568747a7b30e5301aadc3bed1666

  • SHA1

    7333e9ddf2d15e561a83f348f8a7854378893c7d

  • SHA256

    9e64d97a1641e0cf9773f293dad6aab1d12ba3a3cd6fd176cd92bd50cd95e3ae

  • SHA512

    5b6409b67afb7dd57e60709e9c2f5b0621c1a0a979bd29dbc6612fe38a5300a6cc441cef6ba0ba7451f950fa52665e89aa82a2be97581f76cda78691c5817dc9

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRD04:zCsanOtEvwDpjO

Score
7/10
upx

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 7 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\NA_NA_2491568747a7b3exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_2491568747a7b3exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3100
    • 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:4820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    89KB

    MD5

    d3f41e6bbf6c416b1cf618465778450c

    SHA1

    434833066f2ce008caec07fb75b4a5686a2fb7c8

    SHA256

    b9fbbb340e908337a5aa5c2414287464e5471699899fec4e89e0b5af3c7c838c

    SHA512

    c673670ff27569aa8e6b5f6b66ce38ea5686dc3c0296f55cf4cd8db9665f39c5e66026169e6e1fffea8808516a371b2c838f1174c1d5fdf1ed0a7403fb94d882

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

    Filesize

    89KB

    MD5

    d3f41e6bbf6c416b1cf618465778450c

    SHA1

    434833066f2ce008caec07fb75b4a5686a2fb7c8

    SHA256

    b9fbbb340e908337a5aa5c2414287464e5471699899fec4e89e0b5af3c7c838c

    SHA512

    c673670ff27569aa8e6b5f6b66ce38ea5686dc3c0296f55cf4cd8db9665f39c5e66026169e6e1fffea8808516a371b2c838f1174c1d5fdf1ed0a7403fb94d882

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

    Filesize

    89KB

    MD5

    d3f41e6bbf6c416b1cf618465778450c

    SHA1

    434833066f2ce008caec07fb75b4a5686a2fb7c8

    SHA256

    b9fbbb340e908337a5aa5c2414287464e5471699899fec4e89e0b5af3c7c838c

    SHA512

    c673670ff27569aa8e6b5f6b66ce38ea5686dc3c0296f55cf4cd8db9665f39c5e66026169e6e1fffea8808516a371b2c838f1174c1d5fdf1ed0a7403fb94d882

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3100-136-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/3100-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3100-135-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/3100-151-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3100-134-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/4820-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4820-154-0x0000000000860000-0x0000000000866000-memory.dmp

    Filesize

    24KB

  • memory/4820-153-0x0000000000840000-0x0000000000846000-memory.dmp

    Filesize

    24KB

  • memory/4820-182-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB