Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
08-08-2024 00:53
General
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Target
939e2a50370e4f7e641f7db0415925294b4d9e6704c56abda3d7c3d000650ffd.exe
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Size
388KB
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MD5
437061eecf8e0d4a5882238aa581b9e9
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SHA1
441f22d0835170fcffa8da65e7a035c229b6e315
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SHA256
939e2a50370e4f7e641f7db0415925294b4d9e6704c56abda3d7c3d000650ffd
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SHA512
4e52228ac20d3d685de0bf6bf439d4ef8996bb36d1adc9820de11ecb3200fb5119dd018f7456cf80575d1e4992219343f7d7084c905f73c2ae27efd5f5670b02
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SSDEEP
12288:R2iNY2iNY2iNY2iNY2iNY2iNY2iNY2iNF+pABsJ:R1a1a1a1a1a1a1a1O
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 56 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\939e2a50370e4f7e641f7db0415925294b4d9e6704c56abda3d7c3d000650ffd.exe"C:\Users\Admin\AppData\Local\Temp\939e2a50370e4f7e641f7db0415925294b4d9e6704c56abda3d7c3d000650ffd.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AarSvc.dll.exe"C:\Users\Admin\AppData\Local\Temp\AarSvc.dll.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\AarSvc.dll.exe" "AarSvc.dll.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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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
1Replay Monitor
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Downloads
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Filesize
388KB
MD5437061eecf8e0d4a5882238aa581b9e9
SHA1441f22d0835170fcffa8da65e7a035c229b6e315
SHA256939e2a50370e4f7e641f7db0415925294b4d9e6704c56abda3d7c3d000650ffd
SHA5124e52228ac20d3d685de0bf6bf439d4ef8996bb36d1adc9820de11ecb3200fb5119dd018f7456cf80575d1e4992219343f7d7084c905f73c2ae27efd5f5670b02
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Filesize
4.8MB
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Filesize
56KB
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Filesize
4KB
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Filesize
9.6MB
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Filesize
664KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
624KB
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Filesize
32KB
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Filesize
392KB
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Filesize
9.6MB