Analysis
- max time kernel
149s - max time network
133s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
12/02/2026, 14:23
General
- Target 8970c45b6098e59c1fd5567f9f77c8c4ec5eaaae4de3e81df89a8a2eeeb88d2a.exe
- Size 1.4MB
- Sample260212-rqapeset2f
- SHA256 8970c45b6098e59c1fd5567f9f77c8c4ec5eaaae4de3e81df89a8a2eeeb88d2a
Malware Config
Signatures
- Detect RootTeamStealer C++ version 1 IoCs
- RootTeamStealer
RootTeamStealer is a Windows stealer.
- Rootteam_stealer family
- Executes dropped EXE 3 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 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 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 64 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8970c45b6098e59c1fd5567f9f77c8c4ec5eaaae4de3e81df89a8a2eeeb88d2a.exe"C:\Users\Admin\AppData\Local\Temp\8970c45b6098e59c1fd5567f9f77c8c4ec5eaaae4de3e81df89a8a2eeeb88d2a.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kb142715.exe"C:\Users\Admin\AppData\Local\Temp\kb142715.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks.exe /create /sc minute /mo 5 /tn "MicrosoftEdgeUpdateTaskMachineCore_15213" /tr "C:\ProgramData\EdgeUpdate\MicrosoftEdgeUpdate.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks.exe /create /sc minute /mo 5 /tn "MicrosoftEdgeUpdateTaskMachineCore_15213" /tr "C:\ProgramData\EdgeUpdate\MicrosoftEdgeUpdate.exe" /f4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\ProgramData\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\ProgramData\EdgeUpdate\MicrosoftEdgeUpdate.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\ProgramData\EdgeUpdate\MicrosoftEdgeUpdate.exeC:\ProgramData\EdgeUpdate\MicrosoftEdgeUpdate.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Persistence
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
kb142715.exe
memory/1720-61-0x00000000005B0000-0x00000000005BB000-memory.dmp
memory/2192-94-0x0000000000350000-0x000000000035B000-memory.dmp
memory/3844-25-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-38-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-9-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-10-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-11-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-12-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-13-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-14-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-15-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-18-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-19-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-20-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-24-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-0-0x0000000000522000-0x0000000000523000-memory.dmp
memory/3844-8-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-26-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-40-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-35-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-36-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-37-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-30-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-39-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-34-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-44-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-7-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-6-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-1-0x000000007FA80000-0x000000007FAD9000-memory.dmp
memory/3844-97-0x0000000000522000-0x0000000000523000-memory.dmp
memory/3844-98-0x00000000004D0000-0x0000000001094000-memory.dmp
memory/3844-101-0x00000000004D0000-0x0000000001094000-memory.dmp