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Analysis

  • max time kernel
    140s
  • max time network
    146s
  • 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, 18:05

General

  • Target

    NA_NA_20c67835238a6cexeexe_JC.exe

  • Size

    62KB

  • MD5

    20c67835238a6c352703bdca92d92013

  • SHA1

    60e7a3f2affa324503628b5faea4fd008d57a763

  • SHA256

    bbd9c7fed455d75cf63718e0a73dd0933f7de7890b8900ce389c2edb5e20c122

  • SHA512

    537bf2babb32ba37e400430de18f6b8e7c68982c0ffab9c1f59d4b84dc98d7f0fc06d49103419e35297215fa817038e3c60411cde7154ddf10304c3fca70bace

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1cKtbCr:vCjsIOtEvwDpj5Hv03

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_20c67835238a6cexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_20c67835238a6cexeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1152
    • 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:404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    24dcd2803cd966707f2e3dd2ed171cb6

    SHA1

    aa14cc47df43ded333056bb2759bee96975e8c60

    SHA256

    abd5214d9eaab69258c2f271da3f8ec1a87ea94afd80802a53b6939a22431a71

    SHA512

    d908a74c2017ae870b08707443f4d100dcb88dff7069f066ba71106ee8d748826a234d497ea134711ae425e948c2e89e73be1cf8b3ac69d10ae9f3734649858b

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

    Filesize

    62KB

    MD5

    24dcd2803cd966707f2e3dd2ed171cb6

    SHA1

    aa14cc47df43ded333056bb2759bee96975e8c60

    SHA256

    abd5214d9eaab69258c2f271da3f8ec1a87ea94afd80802a53b6939a22431a71

    SHA512

    d908a74c2017ae870b08707443f4d100dcb88dff7069f066ba71106ee8d748826a234d497ea134711ae425e948c2e89e73be1cf8b3ac69d10ae9f3734649858b

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

    Filesize

    62KB

    MD5

    24dcd2803cd966707f2e3dd2ed171cb6

    SHA1

    aa14cc47df43ded333056bb2759bee96975e8c60

    SHA256

    abd5214d9eaab69258c2f271da3f8ec1a87ea94afd80802a53b6939a22431a71

    SHA512

    d908a74c2017ae870b08707443f4d100dcb88dff7069f066ba71106ee8d748826a234d497ea134711ae425e948c2e89e73be1cf8b3ac69d10ae9f3734649858b

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/404-150-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/404-151-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

    Filesize

    24KB

  • memory/1152-133-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1152-134-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1152-135-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB