Analysis
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max time kernel
255s -
max time network
256s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2024 17:18
Behavioral task
behavioral1
Sample
Server.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
19 signatures
1800 seconds
Errors
Reason
Machine shutdown
General
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Target
Server.exe
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Size
37KB
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MD5
b3d12b297a856103adb57f5492cd6851
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SHA1
2a6ebc4e929ed73ecc3720ae01d3d16e8f7b6089
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SHA256
83b66e30244b1729ebbaf9f0921fd51c0337e638665fa1ab01e8d8237a7fe80c
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SHA512
54d38f293feb0cb43dbcd9c8ac3b787e087ce471ced0a0ce7aa72a24d43acdf4d5210633832a68def43fd5c6561069353fdb6eb29ced28cbebbf27c302481cb8
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SSDEEP
384:b1tcaCisx/WRdL5kyc/Tant5ngCmxorAF+rMRTyN/0L+EcoinblneHQM3epzXCNV:RtcmD5nc/TaPNmyrM+rMRa8Nucpt
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1200 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Server.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation Server.exe -
Drops startup file 2 IoCs
Processes:
svhost.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c52f1e45400f62b1c170da017d840dd6.exe svhost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c52f1e45400f62b1c170da017d840dd6.exe svhost.exe -
Executes dropped EXE 1 IoCs
Processes:
svhost.exepid Process 3408 svhost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svhost.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c52f1e45400f62b1c170da017d840dd6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .." svhost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c52f1e45400f62b1c170da017d840dd6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .." svhost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
Processes:
flow ioc 78 6.tcp.eu.ngrok.io 93 6.tcp.eu.ngrok.io 18 6.tcp.eu.ngrok.io 59 6.tcp.eu.ngrok.io -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
svhost.exedescription ioc Process File created F:\autorun.inf svhost.exe File opened for modification F:\autorun.inf svhost.exe File created C:\autorun.inf svhost.exe File opened for modification C:\autorun.inf svhost.exe File created D:\autorun.inf svhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
Processes:
netsh.exedescription ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Server.exesvhost.exenetsh.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
taskmgr.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Modifies registry class 1 IoCs
Processes:
taskmgr.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings taskmgr.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid Process 1112 NOTEPAD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
taskmgr.exesvhost.exepid Process 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 1192 taskmgr.exe 1192 taskmgr.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 1192 taskmgr.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 1192 taskmgr.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe 1192 taskmgr.exe 1192 taskmgr.exe 3408 svhost.exe 3408 svhost.exe 3408 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
svhost.exetaskmgr.exepid Process 3408 svhost.exe 1192 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
taskmgr.exesvhost.exedescription pid Process Token: SeDebugPrivilege 1192 taskmgr.exe Token: SeSystemProfilePrivilege 1192 taskmgr.exe Token: SeCreateGlobalPrivilege 1192 taskmgr.exe Token: SeDebugPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe Token: 33 3408 svhost.exe Token: SeIncBasePriorityPrivilege 3408 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
Processes:
taskmgr.exepid Process 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
Processes:
taskmgr.exepid Process 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe 1192 taskmgr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
Server.exesvhost.exedescription pid Process procid_target PID 1296 wrote to memory of 3408 1296 Server.exe 83 PID 1296 wrote to memory of 3408 1296 Server.exe 83 PID 1296 wrote to memory of 3408 1296 Server.exe 83 PID 3408 wrote to memory of 1200 3408 svhost.exe 85 PID 3408 wrote to memory of 1200 3408 svhost.exe 85 PID 3408 wrote to memory of 1200 3408 svhost.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Users\Admin\AppData\Roaming\svhost.exe"C:\Users\Admin\AppData\Roaming\svhost.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:3408 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1200
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4512
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\hi.txt1⤵
- Opens file in notepad (likely ransom note)
PID:1112
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
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Downloads
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Filesize
37KB
MD5b3d12b297a856103adb57f5492cd6851
SHA12a6ebc4e929ed73ecc3720ae01d3d16e8f7b6089
SHA25683b66e30244b1729ebbaf9f0921fd51c0337e638665fa1ab01e8d8237a7fe80c
SHA51254d38f293feb0cb43dbcd9c8ac3b787e087ce471ced0a0ce7aa72a24d43acdf4d5210633832a68def43fd5c6561069353fdb6eb29ced28cbebbf27c302481cb8