Analysis
- max time kernel
149s - max time network
139s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
15/04/2026, 04:26
General
- Target 2026-04-15_6519a93d81f5198769d6c2fe86640666_cobalt-strike_cryptbot_icedid_luca-stealer_njrat_stealc.exe
- Size 623KB
- Sample260415-e2m3nsew8p
- SHA256 762490d920b05018dc98bd36501bc8aedc8e3c4a6e2c135d8c5d287b82265458
Malware Config
Extracted
-
xworm
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XWorm V6.5
-
kokymrgy2000.hopto.org:1177
-
KRr2qEgSvAGzYf3r
-
Install_directory
%AppData%
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install_file
Google Chrome.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 3 IoCs
- Custom signatureDetects Windows executables referencing non-Windows User-Agents 3 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Drops startup file 2 IoCs
- Executes dropped EXE 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in Program Files directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 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
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C:\Users\Admin\AppData\Local\Temp\2026-04-15_6519a93d81f5198769d6c2fe86640666_cobalt-strike_cryptbot_icedid_luca-stealer_njrat_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_6519a93d81f5198769d6c2fe86640666_cobalt-strike_cryptbot_icedid_luca-stealer_njrat_stealc.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\adguardInstaller\koko.EXE"C:\Program Files\adguardInstaller\koko.EXE"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Program Files\adguardInstaller\koko.EXE'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'koko.EXE'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Google Chrome.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Google Chrome.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Google Chrome" /tr "C:\Users\Admin\AppData\Roaming\Google Chrome.exe"3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Users\Admin\AppData\Roaming\Google Chrome.exe"C:\Users\Admin\AppData\Roaming\Google Chrome.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\Google Chrome.exe"C:\Users\Admin\AppData\Roaming\Google Chrome.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\Google Chrome.exe"C:\Users\Admin\AppData\Roaming\Google Chrome.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
koko.EXE
Google Chrome.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_eqzdaete.0rf.ps1
memory/1048-118-0x00000000019F0000-0x00000000019FC000-memory.dmp
memory/1604-17-0x0000000002F90000-0x0000000002F9C000-memory.dmp
memory/1604-18-0x000000001C2E0000-0x000000001C2F0000-memory.dmp
memory/1604-16-0x0000000002FA0000-0x0000000002FB2000-memory.dmp
memory/1604-15-0x000000001C2E0000-0x000000001C2F0000-memory.dmp
memory/1604-14-0x0000000000580000-0x000000000059A000-memory.dmp
memory/2024-78-0x000001F4BC530000-0x000001F4BC542000-memory.dmp
memory/2024-77-0x000001F4BC480000-0x000001F4BC48C000-memory.dmp
memory/2188-62-0x000001A2712B0000-0x000001A2712C2000-memory.dmp
memory/2188-61-0x000001A271080000-0x000001A27108C000-memory.dmp
memory/2696-104-0x0000000000E90000-0x0000000000E9C000-memory.dmp
memory/2696-102-0x0000000000EA0000-0x0000000000EB2000-memory.dmp
memory/2776-108-0x00000000012D0000-0x00000000012E2000-memory.dmp
memory/2776-109-0x0000000000D20000-0x0000000000D2C000-memory.dmp
memory/4672-94-0x00000268BAD00000-0x00000268BAD12000-memory.dmp
memory/4672-93-0x00000268BACA0000-0x00000268BACAC000-memory.dmp
memory/5144-33-0x0000024CED080000-0x0000024CED09C000-memory.dmp
memory/5144-45-0x0000024CECC00000-0x0000024CECC12000-memory.dmp
memory/5144-44-0x0000024CEB110000-0x0000024CEB11C000-memory.dmp
memory/5144-41-0x0000024CED0F0000-0x0000024CED0FA000-memory.dmp
memory/5144-40-0x0000024CED0E0000-0x0000024CED0E6000-memory.dmp
memory/5144-39-0x0000024CED0B0000-0x0000024CED0B8000-memory.dmp
memory/5144-38-0x0000024CED100000-0x0000024CED11A000-memory.dmp
memory/5144-37-0x0000024CED0A0000-0x0000024CED0AA000-memory.dmp
memory/5144-36-0x0000024CED0C0000-0x0000024CED0DC000-memory.dmp
memory/5144-35-0x0000024CED070000-0x0000024CED07A000-memory.dmp
memory/5144-34-0x0000024CED330000-0x0000024CED3E3000-memory.dmp
memory/5144-26-0x0000024CECC60000-0x0000024CECC82000-memory.dmp