Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 01:53

General

  • Target
    2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe
  • Size 4.4MB
  • Sample260821-ca3b6sen7w
  • SHA256 83e517dda2c2e2c86e4d9648b6be25104a10270bf4572b04f611790dc5f4f94d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables referencing many IR and analysis tools 1 IoCs
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Looks for VMWare services registry key. 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5900
    • C:\Windows\system32\cmd.exe
      "cmd.exe" /C ping 127.0.0.1 -n 2 -w 500 >nul & del /f /q "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe" & move "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe" & start "" "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe"
      2⤵
      • Executes a command shell one-liner
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\system32\PING.EXE
        ping 127.0.0.1 -n 2 -w 500
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3900
      • C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.exe"
        3⤵
        • Enumerates VirtualBox registry keys
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Looks for VMWare services registry key.
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4176

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        .cw_mts

        • Path C:\Users\Admin\AppData\Local\.cw_mts
        • Size 10B
        • SHA256 2ece5872e4fdd2362dee9e960f13dbc33b6dc88e4795a6dd73cc62baae0f5af0
        • MD5 SHA1 SHA512

        2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.tmp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-21_4be5bd533787a7c4f9901b15b7bd7f4f_akira_cobalt-strike_rusty-stealer_satacom.tmp.exe
        • Size 4.4MB
        • SHA256 a8f07cb9a0d65b3c1362f3f571651ca1fa56546d1a6b4edaa91913f007012b24
        • MD5 SHA1 SHA512 SSDEEP TLSH