Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 02:12
Behavioral task
behavioral1
Sample
3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe
Resource
win7-20240903-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe
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Size
93KB
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MD5
55e2016fcb659bdf0f46a24ef2876609
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SHA1
5afb69f26ddf1884372643a2b00d16a481fc7c26
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SHA256
3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4
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SHA512
4de0fb035b904bd2557d48aacfea53346748e0dbda86b710ee86796c374c37fd35e50f4d8b05cd1c058f95665894629f8848f4bce45378c00ced771baaea3e46
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SSDEEP
1536:jwWmC+xhUa9urgOB9RNvM4jEwzGi1dDID0gS:cWgUa9urgONdGi1dmt
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 3 IoCs
pid Process 400 netsh.exe 4464 netsh.exe 2312 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe -
Drops startup file 6 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\24983f03fb74576bbc5af6aa1085b23dWindows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\24983f03fb74576bbc5af6aa1085b23dWindows Update.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 3828 server.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Explower.exe server.exe File opened for modification C:\Windows\SysWOW64\Explower.exe server.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Explower.exe server.exe File opened for modification C:\Program Files (x86)\Explower.exe server.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 9 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \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 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 5 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 3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe 3828 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3828 server.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe Token: 33 3828 server.exe Token: SeIncBasePriorityPrivilege 3828 server.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2428 wrote to memory of 3828 2428 3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe 82 PID 2428 wrote to memory of 3828 2428 3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe 82 PID 2428 wrote to memory of 3828 2428 3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe 82 PID 3828 wrote to memory of 400 3828 server.exe 83 PID 3828 wrote to memory of 400 3828 server.exe 83 PID 3828 wrote to memory of 400 3828 server.exe 83 PID 3828 wrote to memory of 4464 3828 server.exe 85 PID 3828 wrote to memory of 4464 3828 server.exe 85 PID 3828 wrote to memory of 4464 3828 server.exe 85 PID 3828 wrote to memory of 2312 3828 server.exe 86 PID 3828 wrote to memory of 2312 3828 server.exe 86 PID 3828 wrote to memory of 2312 3828 server.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe"C:\Users\Admin\AppData\Local\Temp\3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:400
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4464
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2312
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
93KB
MD555e2016fcb659bdf0f46a24ef2876609
SHA15afb69f26ddf1884372643a2b00d16a481fc7c26
SHA2563825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4
SHA5124de0fb035b904bd2557d48aacfea53346748e0dbda86b710ee86796c374c37fd35e50f4d8b05cd1c058f95665894629f8848f4bce45378c00ced771baaea3e46
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Filesize
5B
MD5cac4598fdc0f92181616d12833eb6ca1
SHA180a7b7a46a0e8e674b782b9eb569e5430a69c84b
SHA256275918973c23ad700f278c69cc03c9c82ec9f4d9ed0f53111ad22bec197ff440
SHA51201a7556bfcce6d9d8251aadc7f6e6169fdd0477d487ce88729c44bfe8b85b2eee500985d553c0479765ef5b5c6dc3517c0305efb9089814c3f8a9ea6fc51c713