Analysis

  • max time kernel
    149s
  • 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
    14/07/2023, 13:17

General

  • Target

    1e5fea4253a1fdexe_JC.exe

  • Size

    89KB

  • MD5

    1e5fea4253a1fd260f6095198f59383e

  • SHA1

    14e3f2536fb45c686440e70833940f947b3bf2ad

  • SHA256

    a018dd552f02cbacee9ca5a7042c7f93ef11409ad23cdc510263044a62956935

  • SHA512

    204e07365af4457e4c9eb9f70a86f5986f81eaf04efb8b2fe8fc1515739e1d782af4848cc2792fb13bae559b0bbdf1d6e1a7b33227eac435f815b97ccb170cac

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDj9i4ws:zCsanOtEvwDpj0

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 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e5fea4253a1fdexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\1e5fea4253a1fdexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:632
    • 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:812

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          Filesize

          89KB

          MD5

          580373d84ed52dd38ab68f29253f9848

          SHA1

          f6957d149bc231765103f53db079000d5d96e538

          SHA256

          d8e15dcf95f5492562e323f56f78fda4f4dff99aead07f94cca809d439f1a882

          SHA512

          a216d0ed62ff7fbe2a41e6560ab774de7c32dad8e9f95047e608fa86178cbef468c7d2d50c21f729653832692d7f25bab73459778d0432f30b36ea3f5e724679

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

          Filesize

          89KB

          MD5

          580373d84ed52dd38ab68f29253f9848

          SHA1

          f6957d149bc231765103f53db079000d5d96e538

          SHA256

          d8e15dcf95f5492562e323f56f78fda4f4dff99aead07f94cca809d439f1a882

          SHA512

          a216d0ed62ff7fbe2a41e6560ab774de7c32dad8e9f95047e608fa86178cbef468c7d2d50c21f729653832692d7f25bab73459778d0432f30b36ea3f5e724679

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

          Filesize

          89KB

          MD5

          580373d84ed52dd38ab68f29253f9848

          SHA1

          f6957d149bc231765103f53db079000d5d96e538

          SHA256

          d8e15dcf95f5492562e323f56f78fda4f4dff99aead07f94cca809d439f1a882

          SHA512

          a216d0ed62ff7fbe2a41e6560ab774de7c32dad8e9f95047e608fa86178cbef468c7d2d50c21f729653832692d7f25bab73459778d0432f30b36ea3f5e724679

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/632-133-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/632-134-0x00000000005F0000-0x00000000005F6000-memory.dmp

          Filesize

          24KB

        • memory/632-135-0x00000000005F0000-0x00000000005F6000-memory.dmp

          Filesize

          24KB

        • memory/632-136-0x0000000000610000-0x0000000000616000-memory.dmp

          Filesize

          24KB

        • memory/632-158-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/812-151-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/812-152-0x0000000000510000-0x0000000000516000-memory.dmp

          Filesize

          24KB

        • memory/812-181-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB