Analysis

  • user interaction
    yes
  • max time kernel
    44s
  • max time network
    36s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    07/11/2026, 18:40

General

  • Target
    erkb3lih.exe
  • Size 61KB
  • Sample261107-xbebyset6v
  • SHA256 3bb2ec1e9f64af6e61df180ca08e8ca0d951311a337b602e98236bb4588f1827
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Queries system WMI classes for hardware identifiers 2 TTPs 2 IoCs

    Uses WMI to read hardware serial numbers or the system UUID, commonly used to fingerprint the victim machine.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 8 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\erkb3lih.exe
    "C:\Users\Admin\AppData\Local\Temp\erkb3lih.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Reads the TCP/IP host and domain name from the registry
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Queries system WMI classes for hardware identifiers
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3860
    • C:\Windows\SYSTEM32\netsh.exe
      "netsh" wlan show profiles
      2⤵
      • Event Triggered Execution: Netsh Helper DLL
      • System Network Configuration Discovery: Wi-Fi Discovery
      PID:2844
  • C:\Users\Admin\AppData\Local\Temp\erkb3lih.exe
    C:\Users\Admin\AppData\Local\Temp\erkb3lih.exe
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Reads the TCP/IP host and domain name from the registry
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Queries system WMI classes for hardware identifiers
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4472
    • C:\Windows\system32\netsh.exe
      "netsh" wlan show profiles
      2⤵
      • Event Triggered Execution: Netsh Helper DLL
      • System Network Configuration Discovery: Wi-Fi Discovery
      PID:1920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        erkb3lih.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\erkb3lih.exe.log
        • Size 1KB
        • SHA256 f232701e54dba2e9d63d31ea75de9ab8302e3b396bfcf7b04b99319db4798fb5
        • MD5 SHA1 SHA512 TLSH

        Darkness-ADMIN.zip

        • Path C:\Users\Admin\AppData\Local\Temp\Darkness-ADMIN.zip
        • Size 469KB
        • SHA256 5bc6a09d5c43849eede24e96282fe16f4e469f6b7ee23c63c696b589b1eeae18
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2132-0-0x00000000008C0000-0x00000000008D6000-memory.dmp

        memory/2132-1-0x000000001B870000-0x000000001B880000-memory.dmp

        memory/2132-8-0x000000001B860000-0x000000001B86A000-memory.dmp

        memory/2132-9-0x000000001CE90000-0x000000001CEA2000-memory.dmp