Analysis
- max time kernel
68s - max time network
34s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 21:10
General
- Target TokenGrabberBuilder.exe
- Size 19.4MB
- Sample261024-zz4b4act5w
- SHA256 16a2d2762a225b965ae823598a6cb6f69a2c0bbcc5f10bfee75108f57200ba98
Malware Config
Signatures
- Loads dropped DLL 28 IoCs
- 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 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Modifies registry class 6 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\TokenGrabberBuilder.exe"C:\Users\Admin\AppData\Local\Temp\TokenGrabberBuilder.exe"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\TokenGrabberBuilder.exeC:\Users\Admin\AppData\Local\Temp\TokenGrabberBuilder.exe2⤵
- Loads dropped DLL
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "schtasks /create /f /tn "SystemName" /sc onlogon /tr "C:\Users\Admin\AppData\Local\Temp\onefile_4488_906766_XopNPMKRq7s\python.exe" /rl highest"3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /tn "SystemName" /sc onlogon /tr "C:\Users\Admin\AppData\Local\Temp\onefile_4488_906766_XopNPMKRq7s\python.exe" /rl highest4⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
VCRUNTIME140.dll
_bz2.pyd
_ctypes.pyd
_hashlib.pyd
_lzma.pyd
_queue.pyd
_socket.pyd
_sqlite3.pyd
_ssl.pyd
_zstd.pyd
cacert.pem
cd.pyd
md.pyd
libcrypto-3.dll
libffi-8.dll
libssl-3.dll
_psutil_windows.pyd
python3.dll
python314.dll
pywintypes314.dll
select.pyd
sqlite3.dll
stealer.dll
unicodedata.pyd
vcruntime140_1.dll
win32api.pyd
win32crypt.pyd
memory/952-152-0x00000266F1CD0000-0x00000266F22C9000-memory.dmp