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
21-01-2025 07:21
Behavioral task
behavioral1
Sample
mod.exe
Resource
win7-20240729-en
windows7-x64
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
mod.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
16 signatures
150 seconds
General
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Target
mod.exe
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Size
93KB
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MD5
e9987ac76debe4d7c754f30cec95d618
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SHA1
7678e6011456d26f579c7dcdd238ff651cfa4edd
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SHA256
56510920355a5531d174cb55ebe86f4b0d85c748d0e15dd78849a29f0f3763d1
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SHA512
919003b30226a8cc81540f652ae51301641325516a5d9bbba140b293b3b97141fbd9274a2f1e942b75e618f57d6e02799e488b36f2cdcbc35f48cc9cc5594771
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SSDEEP
1536:GYqUZFRPmGvMzLsvOnjEwzGi1dDvDogS:GYRRPmGvMzIvOMi1dXR
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 4592 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation mod.exe -
Drops startup file 6 IoCs
description ioc Process 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 File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a7048b533c07e8a45edf75a414a0b3cdWindows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a7048b533c07e8a45edf75a414a0b3cdWindows Update.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 1912 server.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
flow ioc 56 2.tcp.eu.ngrok.io 70 2.tcp.eu.ngrok.io 14 2.tcp.eu.ngrok.io 39 2.tcp.eu.ngrok.io -
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 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 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mod.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe 1912 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1912 server.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe Token: 33 1912 server.exe Token: SeIncBasePriorityPrivilege 1912 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3180 wrote to memory of 1912 3180 mod.exe 82 PID 3180 wrote to memory of 1912 3180 mod.exe 82 PID 3180 wrote to memory of 1912 3180 mod.exe 82 PID 1912 wrote to memory of 4592 1912 server.exe 83 PID 1912 wrote to memory of 4592 1912 server.exe 83 PID 1912 wrote to memory of 4592 1912 server.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\mod.exe"C:\Users\Admin\AppData\Local\Temp\mod.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Drops autorun.inf file
- 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:1912 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4592
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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
5B
MD5f478c76bbb3174dbc7fabae62224f818
SHA1bed239508bad9fcd15a9bdea1e132f62468d07d1
SHA256d7a0af52f260c87ef40bdfc1f1196faf7797593d62c6120ae99957d78762ed1a
SHA512b653aa05746c721c9129456de3798d9e94385a0e5630c5d497fa0d6076274560885edd5875232b40d07aafa3f0e929e9b3bf2ff388ad2c21b3589cb01b79f94b
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Filesize
93KB
MD5e9987ac76debe4d7c754f30cec95d618
SHA17678e6011456d26f579c7dcdd238ff651cfa4edd
SHA25656510920355a5531d174cb55ebe86f4b0d85c748d0e15dd78849a29f0f3763d1
SHA512919003b30226a8cc81540f652ae51301641325516a5d9bbba140b293b3b97141fbd9274a2f1e942b75e618f57d6e02799e488b36f2cdcbc35f48cc9cc5594771