Analysis
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max time kernel
120s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-10-2024 23:47
Behavioral task
behavioral1
Sample
35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe
Resource
win10v2004-20241007-en
General
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Target
35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe
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Size
31KB
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MD5
d81a5a206c0f6da1a9df209699f20790
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SHA1
b3a9d3cb284083a8d3987eae5b3b69211009f7c0
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SHA256
35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778
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SHA512
960893ae3f482b3d868e35cb39e5f8c5e0c9f2a11155b155c0e49e6d708c5edf85f6154a718d083c82a94dd192ab1d128f0859e13d60e70af434dcaf3fe31f9f
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SSDEEP
768:NLA5LgJZLrGzxhucORKqnzhvv6DQmIDUu0tiawj:8UKAxRYQVkKj
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1136 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7fb93b0794e661921666b1583b4aab39.exe Svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7fb93b0794e661921666b1583b4aab39.exe Svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 4144 Svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7fb93b0794e661921666b1583b4aab39 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Svchost.exe\" .." Svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7fb93b0794e661921666b1583b4aab39 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Svchost.exe\" .." Svchost.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 35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe Token: 33 4144 Svchost.exe Token: SeIncBasePriorityPrivilege 4144 Svchost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2516 wrote to memory of 4144 2516 35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe 91 PID 2516 wrote to memory of 4144 2516 35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe 91 PID 2516 wrote to memory of 4144 2516 35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe 91 PID 4144 wrote to memory of 1136 4144 Svchost.exe 96 PID 4144 wrote to memory of 1136 4144 Svchost.exe 96 PID 4144 wrote to memory of 1136 4144 Svchost.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe"C:\Users\Admin\AppData\Local\Temp\35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Roaming\Svchost.exe"C:\Users\Admin\AppData\Roaming\Svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Svchost.exe" "Svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1136
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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
31KB
MD5d81a5a206c0f6da1a9df209699f20790
SHA1b3a9d3cb284083a8d3987eae5b3b69211009f7c0
SHA25635b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778
SHA512960893ae3f482b3d868e35cb39e5f8c5e0c9f2a11155b155c0e49e6d708c5edf85f6154a718d083c82a94dd192ab1d128f0859e13d60e70af434dcaf3fe31f9f