Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 11:14

General

  • Target
    2026-05-28_91fa49cf87c8d77114be08eabac2ebf6_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
  • Size 314KB
  • Sample260528-nca69ae161
  • SHA256 0949376a9ecc95c9fd428101f81b58e1cf324c79bcb45c01357bebf200e447e2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 10 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 5 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-28_91fa49cf87c8d77114be08eabac2ebf6_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_91fa49cf87c8d77114be08eabac2ebf6_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe"
    1⤵
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Users\Admin\AppData\Local\AppRt4979\apprt4979.exe
      "C:\Users\Admin\AppData\Local\AppRt4979\apprt4979.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:3164
      • C:\Users\Admin\AppData\Local\Programs\4979\svc4979.exe
        "C:\Users\Admin\AppData\Local\Programs\4979\svc4979.exe"
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        PID:5388
  • C:\Users\Admin\AppData\Local\AppRt4979\apprt4979.exe
    C:\Users\Admin\AppData\Local\AppRt4979\apprt4979.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:5984
  • C:\Users\Admin\AppData\Local\Programs\4979\svc4979.exe
    C:\Users\Admin\AppData\Local\Programs\4979\svc4979.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:5348

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        apprt4979.exe

        • Path C:\Users\Admin\AppData\Local\AppRt4979\apprt4979.exe
        • Size 315KB
        • SHA256 797927d9555fb4db9cf9b74209ecb888f288c6c8cfd21fdc6c462e07f0250afa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svc4979.exe

        • Path C:\Users\Admin\AppData\Local\Programs\4979\svc4979.exe
        • Size 315KB
        • SHA256 a53a2233e57edd135bcf7a93defcf1ed622e0ef983449a2dbc7cd52bd0368d00
        • MD5 SHA1 SHA512 SSDEEP TLSH

        log_2026-05_2596.txt

        • Path C:\Users\Admin\AppData\Local\Temp\log_2026-05_2596.txt
        • Size 846B
        • SHA256 48f878eb738ec366de27ea3ce5a0325f1b354bb2c2959db39f7a93f2103732c7
        • MD5 SHA1 SHA512 TLSH

        log_2026-05_5984.txt

        • Path C:\Users\Admin\AppData\Local\Temp\log_2026-05_5984.txt
        • Size 463B
        • SHA256 248f9bfe4e4b2d7740727b1fcc4212f4dc74ac51d5c94c51b120e0a9dce7025a
        • MD5 SHA1 SHA512 TLSH

        log_2026-05_5984.txt

        • Path C:\Users\Admin\AppData\Local\Temp\log_2026-05_5984.txt
        • Size 1KB
        • SHA256 6e79b2e5c18cd2c8cef5cc2288f52f9ecfa07d85b276c12c85089a9d448fd3a7
        • MD5 SHA1 SHA512 TLSH

        memory/2596-0-0x0000000180000000-0x0000000180483000-memory.dmp