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Analysis

  • max time kernel
    143s
  • max time network
    149s
  • 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, 15:38

General

  • Target

    NA_NA_0f3a50163da9c0exeexe_JC.exe

  • Size

    81KB

  • MD5

    0f3a50163da9c0ee9b8eaf07ef64fb90

  • SHA1

    b47de85c98a5a8c44fb4a0aab074c156d16f514f

  • SHA256

    a168ac29eb6bbea9861157c2f9908d50889c588e29608c70871e989875b4a306

  • SHA512

    9a963781ce6f1a79af0304898cc30b628ffa79fbe7811d4b59e6b490635aac2af5a62540552772fa0a555cd64ab29f0f69428d46258c8ddae70fd77b28bbccb5

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnzvNG1n:ZzFbxmLPWQMOtEvwDpj386Sj/RsxQzj

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
  • 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_0f3a50163da9c0exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_0f3a50163da9c0exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3312
    • 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:3640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    81KB

    MD5

    58751a066dda66187f74bb21bb372fd6

    SHA1

    0eea03dba07ba2014d79511fa45ba6d80b204d78

    SHA256

    d80583b9a4e62f455e68362f05ae143d002d73b7c39c0317787eb7628a4ac6b4

    SHA512

    7e3f6422e866d0a2125a44bfde5759f49680c5bb3f6d065525f0289fbd21df6d3f38136c2eaf987dedb3549075afec89c33e4e07a44f13f0f7008b95ff6be9a0

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

    Filesize

    81KB

    MD5

    58751a066dda66187f74bb21bb372fd6

    SHA1

    0eea03dba07ba2014d79511fa45ba6d80b204d78

    SHA256

    d80583b9a4e62f455e68362f05ae143d002d73b7c39c0317787eb7628a4ac6b4

    SHA512

    7e3f6422e866d0a2125a44bfde5759f49680c5bb3f6d065525f0289fbd21df6d3f38136c2eaf987dedb3549075afec89c33e4e07a44f13f0f7008b95ff6be9a0

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

    Filesize

    81KB

    MD5

    58751a066dda66187f74bb21bb372fd6

    SHA1

    0eea03dba07ba2014d79511fa45ba6d80b204d78

    SHA256

    d80583b9a4e62f455e68362f05ae143d002d73b7c39c0317787eb7628a4ac6b4

    SHA512

    7e3f6422e866d0a2125a44bfde5759f49680c5bb3f6d065525f0289fbd21df6d3f38136c2eaf987dedb3549075afec89c33e4e07a44f13f0f7008b95ff6be9a0

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3312-133-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3312-134-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/3312-135-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/3312-136-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/3312-151-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3640-150-0x00000000004A0000-0x00000000004A3000-memory.dmp

    Filesize

    12KB

  • memory/3640-154-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3640-153-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB