Analysis

  • max time kernel
    1800s
  • max time network
    1179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 02:20

General

  • Target
    Setup/sapphire-ofx-install-2024.51.exe
  • Size 595.4MB
  • Sample240530-csdrjaba5z
  • SHA256 2fabcea823b6edd642e87d694ad96f086e9c3c01d25a2a384cb5dbd87ba66556
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup\sapphire-ofx-install-2024.51.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup\sapphire-ofx-install-2024.51.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Users\Admin\AppData\Local\Temp\is-HOLD2.tmp\sapphire-ofx-install-2024.51.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HOLD2.tmp\sapphire-ofx-install-2024.51.tmp" /SL5="$C01CA,621707205,931840,C:\Users\Admin\AppData\Local\Temp\Setup\sapphire-ofx-install-2024.51.exe"
      2⤵
      • Executes dropped EXE
      PID:4328

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        sapphire-ofx-install-2024.51.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-HOLD2.tmp\sapphire-ofx-install-2024.51.tmp
        • Size 3.1MB
        • SHA256 1d7f52285dcb7c53c58eab0df805e71affe15c24148baf661b7fc9d6b826114d
        • MD5 SHA1 SHA512 SSDEEP

        memory/4328-6-0x0000000000400000-0x000000000072C000-memory.dmp

        memory/4328-10-0x0000000000400000-0x000000000072C000-memory.dmp

        memory/4476-1-0x0000000000400000-0x00000000004F1000-memory.dmp

        memory/4476-2-0x0000000000401000-0x00000000004B7000-memory.dmp

        memory/4476-9-0x0000000000400000-0x00000000004F1000-memory.dmp