Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 05:54

General

  • Target
    2026-07-23_7bc6edc3068529259d93d8380d9a58fc_akira_rusty-stealer.exe
  • Size 2.4MB
  • Sample260723-gl3jjagh73
  • SHA256 b275dd93ec34049e8a14db0f5f857361ec1dc8f3cd501b261853b9fd301e4768
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 4 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 4 IoCs
  • Detects executables referencing combination of virtualization drivers 4 IoCs
  • Detects executables referencing many IR and analysis tools 4 IoCs
  • Enumerates VirtualBox registry keys 2 TTPs 3 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 2 IoCs
  • Looks for Xen service registry key. 1 TTPs 3 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-23_7bc6edc3068529259d93d8380d9a58fc_akira_rusty-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_7bc6edc3068529259d93d8380d9a58fc_akira_rusty-stealer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5956
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe"
      2⤵
        PID:4592
      • C:\Users\Admin\AppData\Local\Temp\tmp_1744.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp_1744.exe"
        2⤵
        • Enumerates VirtualBox registry keys
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Looks for VMWare services registry key.
        • Looks for Xen service registry key.
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3360
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c wmic /namespace:\\root\SecurityCenter2 path AntiVirusProduct get displayName /format:list
          3⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3396
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /namespace:\\root\SecurityCenter2 path AntiVirusProduct get displayName /format:list
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2016

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp_1744.exe

          • Path C:\Users\Admin\AppData\Local\Temp\tmp_1744.exe
          • Size 2.3MB
          • SHA256 d11ed4b8fbd01fa9163f77a82237ca5dba35c46501c3c519e8a541ac67bf3957
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3360-6-0x00007FF60B4A0000-0x00007FF60B6E7000-memory.dmp

          memory/4592-0-0x0000000140000000-0x0000000140247000-memory.dmp

          memory/4592-2-0x0000000140000000-0x0000000140247000-memory.dmp