Analysis
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max time kernel
106s -
max time network
120s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
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submitted
17-12-2024 18:37
General
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Target
XtasyExecutor.exe
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Size
202KB
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MD5
20bd0480bb862bd1d073477a87aede81
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SHA1
3c7c72fc3c1bec023386ac6ed14ad5cb785fe4ce
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SHA256
548529c38438f4a9aea915448e183f24d4ddbe793a86090075775a154d59f067
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SHA512
6b4817a7921bb62bbaf6835a3948a1811914f652f5f6ad86fe0b52376b6347d180488c3de4f02ba8ec962c45c5b4d6ad91eba11441989bbb42dab2863dfaa766
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SSDEEP
6144:gLV6Bta6dtJmakIM5E/hBp4OnvF3ZO2hdi:gLV6BtpmkJBprnvF3AWi
Malware Config
Signatures
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NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Nanocore family
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Drops file in Program Files directory 3 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\XtasyExecutor.exe"C:\Users\Admin\AppData\Local\Temp\XtasyExecutor.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3a17855 /state1:0x41c64e6d1⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
13KB
MD59a49f0db33711cb9e03a392a8cad7240
SHA124b826e097870551ae8b1cf13dcac5921af846dc
SHA256c3accd710ccbdf5266a981dcef1e895990ea3309967410e4937314deac75ede1
SHA512e48f729a174756433d92df4f5d999af8169a1dae8c50847039167dd624df2f173fc06d7424128b5debd56156f84dcedfad01fde555b7b18551b87a3b069f44d5
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Filesize
16KB
MD58d2b31c2b563b5fef4392efe63ff65f9
SHA1ae8aefa6e7dbf4983359366d3fd557d4977cb54f
SHA2565457750a9210d8be728d1cc07496d4c6990d150f18a10e2135939d9215c86645
SHA512fa599fc89dcee174333b94ddcaeca1b42d333e606d9ae523ed1a972e5241cecb01b0cc1e640e460f2449126a5a04eb1d5726c63736cdecfd84bb69702c8dafdc
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB