Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 22:51

General

  • Target
    2026-08-04_6764ebf2efe576a3109b3def42e20f5b_icedid_mespinoza_njrat_ryuk.exe
  • Size 1.9MB
  • Sample260804-2s9lmsfl61
  • SHA256 d228d6d024e26cb17be1fa707c11801beddce0e1604ece23fa08a0d1b5f92c53
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies registry class 52 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_6764ebf2efe576a3109b3def42e20f5b_icedid_mespinoza_njrat_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_6764ebf2efe576a3109b3def42e20f5b_icedid_mespinoza_njrat_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4400
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    PID:4564

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        alg.exe

        • Path C:\Windows\System32\alg.exe
        • Size 1.5MB
        • SHA256 150e7697daf859477358787e2a93480eb272dce292e3060ca015eac2e290eb78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4400-0-0x00000000020C0000-0x0000000002120000-memory.dmp

        memory/4400-6-0x00000000020C0000-0x0000000002120000-memory.dmp

        memory/4400-9-0x0000000140000000-0x00000001402CB000-memory.dmp

        memory/4400-11-0x00000000020C0000-0x0000000002120000-memory.dmp

        memory/4400-13-0x0000000140000000-0x00000001402CB000-memory.dmp

        memory/4564-15-0x0000000140000000-0x0000000140269000-memory.dmp

        memory/4564-16-0x0000000140000000-0x0000000140269000-memory.dmp