Analysis
- max time kernel
149s - max time network
156s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
- submitted
23/06/2026, 11:12
General
- Target _fcd0615378546a7f70b2a81cd83cd1da2bbc0595c75869c7b42956bd69d0015a.exe
- Size 69.2MB
- Sample260623-na6kdact6s
- SHA256 fcd0615378546a7f70b2a81cd83cd1da2bbc0595c75869c7b42956bd69d0015a
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 25 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
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Kills process with taskkill 6 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 17 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\_fcd0615378546a7f70b2a81cd83cd1da2bbc0595c75869c7b42956bd69d0015a.exe"C:\Users\Admin\AppData\Local\Temp\_fcd0615378546a7f70b2a81cd83cd1da2bbc0595c75869c7b42956bd69d0015a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cscript.execscript.exe //nologo C:\Users\Admin\AppData\Local\Temp\tmpewjeoa2lnmi.vbs2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\_fcd0615378546a7f70b2a81cd83cd1da2bbc0595c75869c7b42956bd69d0015a.exe"C:\Users\Admin\AppData\Local\Temp\_fcd0615378546a7f70b2a81cd83cd1da2bbc0595c75869c7b42956bd69d0015a.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /s /c "powershell -NoProfile -Command "Expand-Archive -Path 'C:\Users\Admin\AppData\Local\Lucidddstealer\jre.zip' -DestinationPath 'C:\Users\Admin\AppData\Local\Lucidddstealer' -Force""4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -NoProfile -Command "Expand-Archive -Path 'C:\Users\Admin\AppData\Local\Lucidddstealer\jre.zip' -DestinationPath 'C:\Users\Admin\AppData\Local\Lucidddstealer' -Force"5⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Lucidddstealer\bin\java.exeC:\Users\Admin\AppData\Local\Lucidddstealer\bin\java.exe -noverify -jar C:\Users\Admin\AppData\Local\Lucidddstealer\exastealer-obfuscated.jar4⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.execmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Lucidddstealer" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Lucidddstealer\bin\javaw.exe\" -jar \"C:\Users\Admin\AppData\Local\Lucidddstealer\exastealer-obfuscated.jar\" com.exastealer.Main" /f5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Lucidddstealer" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Lucidddstealer\bin\javaw.exe\" -jar \"C:\Users\Admin\AppData\Local\Lucidddstealer\exastealer-obfuscated.jar\" com.exastealer.Main" /f6⤵
- Adds Run key to start application
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C:\Windows\SYSTEM32\taskkill.exetaskkill /F /IM "Discord.exe"5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exetaskkill /F /IM "DiscordCanary.exe"5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exetaskkill /F /IM "DiscordPTB.exe"5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exetaskkill /F /IM "DiscordDevelopment.exe"5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\taskkill.exetaskkill /F /IM firefox.exe 2>nul5⤵
- Kills process with taskkill
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C:\Windows\SYSTEM32\taskkill.exetaskkill /F /IM firefox.exe 2>nul5⤵
- Kills process with taskkill
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C:\Users\Admin\AppData\Local\Lucidddstealer\bin\javaw.exe"C:\Users\Admin\AppData\Local\Lucidddstealer\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Lucidddstealer\exastealer-obfuscated.jar" com.exastealer.Main1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
VCRUNTIME140.dll
awt.dll
java.dll
java.exe
javaw.exe
jimage.dll
jli.dll
msvcp140.dll
net.dll
nio.dll
jvm.dll
vcruntime140_1.dll
zip.dll
logging.properties
net.properties
java.security
default_US_export.policy
default_local.policy
exastealer-obfuscated.jar
jre.zip
COPYRIGHT
LICENSE
jvm.cfg
modules
cacerts
tzdb.dat
tzmappings
debug.log
jna14038459407118847367.dll
sqlite3.dll
tmpewjeoa2lnmi.vbs
sys_cache_17ce5692.dll
memory/680-19-0x0000022B2C0C0000-0x0000022B2C0CA000-memory.dmp
memory/680-12-0x0000022B2C040000-0x0000022B2C062000-memory.dmp
memory/680-15-0x0000022B2C0C0000-0x0000022B2C0DE000-memory.dmp
memory/680-16-0x0000022B44430000-0x0000022B444E2000-memory.dmp
memory/680-17-0x0000022B444F0000-0x0000022B444FA000-memory.dmp
memory/680-18-0x0000022B44750000-0x0000022B44762000-memory.dmp
memory/1536-4-0x0000018AF4830000-0x0000018AF48AC000-memory.dmp
memory/3580-0-0x0000030A10800000-0x0000030A10801000-memory.dmp
memory/3580-1-0x000000EEDC800000-0x000000EEDC801000-memory.dmp
memory/3636-633-0x000002151F200000-0x000002151F210000-memory.dmp