Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2024, 13:22
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Bootstrapper.exe
Resource
win10v2004-20241007-en
General
-
Target
Bootstrapper.exe
-
Size
37KB
-
MD5
92fd66073b9a4f83ee5257d4dfc611fb
-
SHA1
87377414dd581082a1e5d26633f2aa9838d26062
-
SHA256
cbbd4d987c1f2368de89953f3d2ab06a803806faaab1d116d6c72cf11a93cbb2
-
SHA512
f0e24cac627234e2556e7ce1b1634c32f0b17380850e3d956d35d6f92d1489dcad2fdcb799abbdf0d8169dff0d9c3da7a5672bf84899481368ed6909d6b19c95
-
SSDEEP
768:Ob3MDF3lFdS7IVW5mae2rM+rMRa8Nuvyt:Ob6F3lPSUVW5op+gRJNE
Malware Config
Signatures
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4960 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Bootstrapper.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2be7fcfaf2fb2c0121ad0a1c26b16a25.exe COM Surrogate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2be7fcfaf2fb2c0121ad0a1c26b16a25.exe COM Surrogate.exe -
Executes dropped EXE 1 IoCs
pid Process 516 COM Surrogate.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2be7fcfaf2fb2c0121ad0a1c26b16a25 = "\"C:\\ProgramData\\COM Surrogate.exe\" .." COM Surrogate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2be7fcfaf2fb2c0121ad0a1c26b16a25 = "\"C:\\ProgramData\\COM Surrogate.exe\" .." COM Surrogate.exe -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf COM Surrogate.exe File opened for modification C:\autorun.inf COM Surrogate.exe File created D:\autorun.inf COM Surrogate.exe File created F:\autorun.inf COM Surrogate.exe File opened for modification F:\autorun.inf COM Surrogate.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bootstrapper.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language COM Surrogate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Kills process with taskkill 1 IoCs
pid Process 2776 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe 516 COM Surrogate.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 516 COM Surrogate.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 516 COM Surrogate.exe Token: SeDebugPrivilege 2776 taskkill.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe Token: 33 516 COM Surrogate.exe Token: SeIncBasePriorityPrivilege 516 COM Surrogate.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 920 wrote to memory of 516 920 Bootstrapper.exe 92 PID 920 wrote to memory of 516 920 Bootstrapper.exe 92 PID 920 wrote to memory of 516 920 Bootstrapper.exe 92 PID 516 wrote to memory of 4960 516 COM Surrogate.exe 97 PID 516 wrote to memory of 4960 516 COM Surrogate.exe 97 PID 516 wrote to memory of 4960 516 COM Surrogate.exe 97 PID 516 wrote to memory of 2776 516 COM Surrogate.exe 99 PID 516 wrote to memory of 2776 516 COM Surrogate.exe 99 PID 516 wrote to memory of 2776 516 COM Surrogate.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920 -
C:\ProgramData\COM Surrogate.exe"C:\ProgramData\COM Surrogate.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\ProgramData\COM Surrogate.exe" "COM Surrogate.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4960
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM SecHealthUI.exe3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2776
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
37KB
MD592fd66073b9a4f83ee5257d4dfc611fb
SHA187377414dd581082a1e5d26633f2aa9838d26062
SHA256cbbd4d987c1f2368de89953f3d2ab06a803806faaab1d116d6c72cf11a93cbb2
SHA512f0e24cac627234e2556e7ce1b1634c32f0b17380850e3d956d35d6f92d1489dcad2fdcb799abbdf0d8169dff0d9c3da7a5672bf84899481368ed6909d6b19c95