Analysis
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max time kernel
149s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 19:18
Behavioral task
behavioral1
Sample
8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe
Resource
win10v2004-20240910-en
General
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Target
8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe
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Size
29KB
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MD5
459b4e64ad1d0dc32ca057b7ef0fd110
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SHA1
0e618bc238f50490089c30b86b32ac109b35e4fe
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SHA256
8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f
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SHA512
afc24d488456dcba898b588cb1515cd3db88b2640ec4b69969cc2d36683cf89da5aec70defb7babfbca2f060e1f07ab8d91c6ab020a29b7368a5b8d62b1300b7
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SSDEEP
384:KhQXpl7dzns8oDw/LRP55/4GWmqDSeXegLGBsbh0w4wlAokw9OhgOL1vYRGOZzp9:KE7Js8oDSJz4wqZXenBKh0p29SgRjb
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 820 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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation 8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe Trojan.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe Trojan.exe -
Executes dropped EXE 1 IoCs
pid Process 4664 Trojan.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.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.
description 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Trojan.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe 4664 Trojan.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4664 Trojan.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5080 wrote to memory of 4664 5080 8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe 87 PID 5080 wrote to memory of 4664 5080 8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe 87 PID 5080 wrote to memory of 4664 5080 8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe 87 PID 4664 wrote to memory of 820 4664 Trojan.exe 88 PID 4664 wrote to memory of 820 4664 Trojan.exe 88 PID 4664 wrote to memory of 820 4664 Trojan.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe"C:\Users\Admin\AppData\Local\Temp\8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\Trojan.exe"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:820
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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
29KB
MD5459b4e64ad1d0dc32ca057b7ef0fd110
SHA10e618bc238f50490089c30b86b32ac109b35e4fe
SHA2568b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f
SHA512afc24d488456dcba898b588cb1515cd3db88b2640ec4b69969cc2d36683cf89da5aec70defb7babfbca2f060e1f07ab8d91c6ab020a29b7368a5b8d62b1300b7