Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2025 22:46
Behavioral task
behavioral1
Sample
3f390f2a4f32d4ec988f79a6a4a3b97b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3f390f2a4f32d4ec988f79a6a4a3b97b.exe
Resource
win10v2004-20241007-en
General
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Target
3f390f2a4f32d4ec988f79a6a4a3b97b.exe
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Size
37KB
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MD5
3f390f2a4f32d4ec988f79a6a4a3b97b
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SHA1
e84304e45ae03bb421ea0f07e0e94fce052357ae
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SHA256
12b8b546038907862b15e79f5cb0fcc2c49fb9240323dd27b48d87309952c134
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SHA512
cba6ec596e23d4c957e2ab0591fc7d80add224a8717b7ea09a3bb7086d75d5622f2948c57d177d885c545d4a7140529e1c02f1b58d545d34a2e8bb6d3dd1b9bf
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SSDEEP
768:dgMcNwKslUV0bworAa8MzrM+rMRa8NuNrt:G/ylU6PAajM+gRJNa
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 688 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 3f390f2a4f32d4ec988f79a6a4a3b97b.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2bce908736ddb1f07610025aba2cbb94.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2bce908736ddb1f07610025aba2cbb94.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 3056 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\2bce908736ddb1f07610025aba2cbb94 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2bce908736ddb1f07610025aba2cbb94 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.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 svchost.exe File opened for modification C:\autorun.inf svchost.exe File created D:\autorun.inf svchost.exe File created F:\autorun.inf svchost.exe File opened for modification F:\autorun.inf 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 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 3f390f2a4f32d4ec988f79a6a4a3b97b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Kills process with taskkill 1 IoCs
pid Process 964 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe 3056 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3056 svchost.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 3056 svchost.exe Token: SeDebugPrivilege 964 taskkill.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe Token: 33 3056 svchost.exe Token: SeIncBasePriorityPrivilege 3056 svchost.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 728 wrote to memory of 3056 728 3f390f2a4f32d4ec988f79a6a4a3b97b.exe 84 PID 728 wrote to memory of 3056 728 3f390f2a4f32d4ec988f79a6a4a3b97b.exe 84 PID 728 wrote to memory of 3056 728 3f390f2a4f32d4ec988f79a6a4a3b97b.exe 84 PID 3056 wrote to memory of 688 3056 svchost.exe 85 PID 3056 wrote to memory of 688 3056 svchost.exe 85 PID 3056 wrote to memory of 688 3056 svchost.exe 85 PID 3056 wrote to memory of 964 3056 svchost.exe 87 PID 3056 wrote to memory of 964 3056 svchost.exe 87 PID 3056 wrote to memory of 964 3056 svchost.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\3f390f2a4f32d4ec988f79a6a4a3b97b.exe"C:\Users\Admin\AppData\Local\Temp\3f390f2a4f32d4ec988f79a6a4a3b97b.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:728 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.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:3056 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:688
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C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM Exsample.exe3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:964
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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
37KB
MD53f390f2a4f32d4ec988f79a6a4a3b97b
SHA1e84304e45ae03bb421ea0f07e0e94fce052357ae
SHA25612b8b546038907862b15e79f5cb0fcc2c49fb9240323dd27b48d87309952c134
SHA512cba6ec596e23d4c957e2ab0591fc7d80add224a8717b7ea09a3bb7086d75d5622f2948c57d177d885c545d4a7140529e1c02f1b58d545d34a2e8bb6d3dd1b9bf