Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
31/07/2026, 04:38
General
- Target 39bde98f269aa0904cc069ddb4e5ccf557a6ca5014698283d610b459273da909.exe
- Size 3.0MB
- Sample260731-e9fcsscg36
- SHA256 39bde98f269aa0904cc069ddb4e5ccf557a6ca5014698283d610b459273da909
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Drops file in System32 directory 1 IoCs
- UPX packed file 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Program crash 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\39bde98f269aa0904cc069ddb4e5ccf557a6ca5014698283d610b459273da909.exe"C:\Users\Admin\AppData\Local\Temp\39bde98f269aa0904cc069ddb4e5ccf557a6ca5014698283d610b459273da909.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sc.exesc.exe start ULmMwrKtU5WV9f2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\Syswow64\7c1426e0C:\Windows\Syswow64\7c1426e01⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 1362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4764 -ip 47641⤵
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C:\Windows\Syswow64\7c1426e0C:\Windows\Syswow64\7c1426e01⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 1362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4616 -ip 46161⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
7c1426e0
memory/2276-0-0x0000000000460000-0x0000000000765000-memory.dmp
memory/2276-8-0x0000000000460000-0x0000000000765000-memory.dmp
memory/4616-6-0x00000000002F0000-0x00000000005F5000-memory.dmp
memory/4616-7-0x00000000002F0000-0x00000000005F5000-memory.dmp
memory/4764-3-0x00000000002F0000-0x00000000005F5000-memory.dmp
memory/4764-4-0x00000000002F0000-0x00000000005F5000-memory.dmp