Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 18:37
Behavioral task
behavioral1
Sample
448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe
Resource
win7-20241010-en
windows7-x64
Behavioral task
behavioral2
Sample
448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
General
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Target
448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe
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Size
93KB
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MD5
d97b1bc0635e88c00cbc79317aa428bd
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SHA1
60048ae1a6f382455cbf9c493f27976c58d310d9
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SHA256
448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0
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SHA512
e578be1907aaa25631ca9a955320af25d5512c1ddc17557dc6d39f8f63ca575f1811f45aa932985b39257c29d59823deabeb01337cdb46758cfa3badc8ab9ab8
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SSDEEP
768:VY33ytjglPPMJI08+EyrERm9hX+DlwA461mXxrjEtCdnl2pi1Rz4Rk37sGdpfgS7:syJgdQ8+f4mXPA4tjEwzGi1dDnDfgS
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1620 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe -
Drops startup file 6 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd4cbc9fb72b65e4b3796572077d8e39Windows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd4cbc9fb72b65e4b3796572077d8e39Windows 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 4260 server.exe -
Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf server.exe File opened for modification C:\autorun.inf server.exe File created F:\autorun.inf server.exe File opened for modification F:\autorun.inf server.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Explower.exe server.exe File created 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 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 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 448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe 4260 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4260 server.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe Token: 33 4260 server.exe Token: SeIncBasePriorityPrivilege 4260 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2328 wrote to memory of 4260 2328 448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe 87 PID 2328 wrote to memory of 4260 2328 448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe 87 PID 2328 wrote to memory of 4260 2328 448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe 87 PID 4260 wrote to memory of 1620 4260 server.exe 89 PID 4260 wrote to memory of 1620 4260 server.exe 89 PID 4260 wrote to memory of 1620 4260 server.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe"C:\Users\Admin\AppData\Local\Temp\448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Drops autorun.inf file
- 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:4260 -
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:1620
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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
MD5d97b1bc0635e88c00cbc79317aa428bd
SHA160048ae1a6f382455cbf9c493f27976c58d310d9
SHA256448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0
SHA512e578be1907aaa25631ca9a955320af25d5512c1ddc17557dc6d39f8f63ca575f1811f45aa932985b39257c29d59823deabeb01337cdb46758cfa3badc8ab9ab8
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Filesize
4B
MD5047dda8d29bbbf2b6e1c3f4212189eba
SHA1eb10217bbf887b1ad9b984cb7a559b177e2c762a
SHA256afd43463eba279dc102afa66f3ef7173885c540c02776217638de34e03486125
SHA51284c38a784fa77686de5be91738fffd0371ca667eff0e117c87e8e2d676ef29b7defe21c7bfa83f00ef967d73d3983fb038bd07b93fde963ec5ae10a2f569a822