Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

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

General

  • Target

    325aa1e85840cd_JC.exe

  • Size

    42KB

  • MD5

    325aa1e85840cd90bd1b6a04908d0883

  • SHA1

    f43701b6e93ab688ae4e90e33c812deb7338c28d

  • SHA256

    b202b5abdb827120765f57521dcf851875fd31911830cb7b3811a35bf443c5b9

  • SHA512

    57e6c50ec09be6573cda207306bc50d1eb42e8d53566d5f469a792dfcaee13b8704af37d6449fe8bacc63e7cc5ff18a987d757290184beabdace48e5a55bff95

  • SSDEEP

    768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOM+O90NWer0:qUmnpomddpMOtEvwDpjjaYaFAvCuWS0

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\325aa1e85840cd_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\325aa1e85840cd_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1192

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          Filesize

          43KB

          MD5

          76dcab24a586ebcbd58cb1f94bae315c

          SHA1

          9637e57e335751bc19912afd2ccd281eaf3f64a4

          SHA256

          ce7d4bbba965b7bb7718078194666748fd561440265dd4f94122aa291adf4d4c

          SHA512

          b55a1c5e9e91f133ea4606bf9b28997539adcb563db56e459cbb368ba2b728b2694816757e277235884f57e613165f79da10f86b08a9a7d5b0257d5931c61181

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

          Filesize

          43KB

          MD5

          76dcab24a586ebcbd58cb1f94bae315c

          SHA1

          9637e57e335751bc19912afd2ccd281eaf3f64a4

          SHA256

          ce7d4bbba965b7bb7718078194666748fd561440265dd4f94122aa291adf4d4c

          SHA512

          b55a1c5e9e91f133ea4606bf9b28997539adcb563db56e459cbb368ba2b728b2694816757e277235884f57e613165f79da10f86b08a9a7d5b0257d5931c61181

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

          Filesize

          43KB

          MD5

          76dcab24a586ebcbd58cb1f94bae315c

          SHA1

          9637e57e335751bc19912afd2ccd281eaf3f64a4

          SHA256

          ce7d4bbba965b7bb7718078194666748fd561440265dd4f94122aa291adf4d4c

          SHA512

          b55a1c5e9e91f133ea4606bf9b28997539adcb563db56e459cbb368ba2b728b2694816757e277235884f57e613165f79da10f86b08a9a7d5b0257d5931c61181

        • memory/628-133-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/628-134-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/628-135-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/628-136-0x00000000006D0000-0x00000000006D6000-memory.dmp

          Filesize

          24KB

        • memory/628-150-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1192-152-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/1192-153-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB

        • memory/1192-159-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB