Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2023, 21:47

General

  • Target

    NA_013b682d487e9cexe_JC.exe

  • Size

    41KB

  • MD5

    013b682d487e9c9f6e4faa011d07fbb7

  • SHA1

    f7d8528bc54689a3eaa7cfadb50253a165e8c24c

  • SHA256

    1f74194a2787b74b55b37d5155e716ab0177f62909063b4a5a2f6618cab7445e

  • SHA512

    5736221a9ba238afd587459614fb1c56c3f5506cf1c5a4d924891ef25caac650960fe860f90534d45cb409a35da575efc118d07f887bccaa1ade57bf2cb5d43b

  • SSDEEP

    384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/W/rJ+xLrs7cwk:79inqyNR/QtOOtEvwDpjBK/rJ+Nwy

Score
7/10

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
  • 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\NA_013b682d487e9cexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_013b682d487e9cexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    171c9e64938586c3758e89f1792312e1

    SHA1

    14d89d28f635840d55a6c06cf683099317731e94

    SHA256

    d0700156bbf3dc52043c035632ac9bf0d8491ea25198b775e6013e95357e2bd1

    SHA512

    bcde71d395df3565b912ec90e1a249d81c2d7d354ff25f67b4ad1acec06cbebd769eed26062c258fa9bde6cc34223150ba884f8c24fe5bb09c8c348151089fc1

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

    Filesize

    41KB

    MD5

    171c9e64938586c3758e89f1792312e1

    SHA1

    14d89d28f635840d55a6c06cf683099317731e94

    SHA256

    d0700156bbf3dc52043c035632ac9bf0d8491ea25198b775e6013e95357e2bd1

    SHA512

    bcde71d395df3565b912ec90e1a249d81c2d7d354ff25f67b4ad1acec06cbebd769eed26062c258fa9bde6cc34223150ba884f8c24fe5bb09c8c348151089fc1

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

    Filesize

    41KB

    MD5

    171c9e64938586c3758e89f1792312e1

    SHA1

    14d89d28f635840d55a6c06cf683099317731e94

    SHA256

    d0700156bbf3dc52043c035632ac9bf0d8491ea25198b775e6013e95357e2bd1

    SHA512

    bcde71d395df3565b912ec90e1a249d81c2d7d354ff25f67b4ad1acec06cbebd769eed26062c258fa9bde6cc34223150ba884f8c24fe5bb09c8c348151089fc1

  • memory/3200-152-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3200-153-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/3200-159-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3256-133-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3256-134-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3256-135-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3256-136-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/3256-150-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB