Analysis

  • max time kernel
    141s
  • max time network
    148s
  • 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 11:08

General

  • Target

    6769398b85e1c7_JC.exe

  • Size

    90KB

  • MD5

    6769398b85e1c7a78f5f0bcf89eea1ae

  • SHA1

    b3be648d58598f1d5b6ac2de34ddd5e578e2b122

  • SHA256

    5638bd8bcf6d6d97e9e052d59dd8295e7db21dc5ee8a0ad6ca6eaf65c10e0151

  • SHA512

    c028e18546118206457bce091bf4e70e44ffada1025e9c40ab52ab154586da066271084b5c814cf413d8b98aa557cd971b52154eb065d920eac05833498c2dde

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvB:zCsanOtEvwDpjJ

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\6769398b85e1c7_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\6769398b85e1c7_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1648
    • 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:384

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    c620142f19961eaa336ad25c8dd52941

    SHA1

    be696c2fc71f11e5a4ac914cca9e34f637f7220e

    SHA256

    2581a69d77803fa22cdc92736e3c22071f3dd456b8981f50ef899412e39eefa8

    SHA512

    9b78bf7b0936a8da6c1e942be7d849fe67efeedc39ffd49d3f01231ee916c60b7c7f6e33d5d93964b666f85bf2995958dc555708f06fa9a419a684e0441fe345

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

    Filesize

    90KB

    MD5

    c620142f19961eaa336ad25c8dd52941

    SHA1

    be696c2fc71f11e5a4ac914cca9e34f637f7220e

    SHA256

    2581a69d77803fa22cdc92736e3c22071f3dd456b8981f50ef899412e39eefa8

    SHA512

    9b78bf7b0936a8da6c1e942be7d849fe67efeedc39ffd49d3f01231ee916c60b7c7f6e33d5d93964b666f85bf2995958dc555708f06fa9a419a684e0441fe345

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

    Filesize

    90KB

    MD5

    c620142f19961eaa336ad25c8dd52941

    SHA1

    be696c2fc71f11e5a4ac914cca9e34f637f7220e

    SHA256

    2581a69d77803fa22cdc92736e3c22071f3dd456b8981f50ef899412e39eefa8

    SHA512

    9b78bf7b0936a8da6c1e942be7d849fe67efeedc39ffd49d3f01231ee916c60b7c7f6e33d5d93964b666f85bf2995958dc555708f06fa9a419a684e0441fe345

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/384-152-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/384-153-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/384-181-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1648-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1648-134-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/1648-135-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/1648-136-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/1648-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB