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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
04/06/2024, 18:35
General
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Target
server.exe
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Size
48KB
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MD5
7b7f514215066fc2dc3cbb1fcba6cb2b
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SHA1
9fe31bde8f920bd0517616be432c5bb7421f1487
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SHA256
61a0e8b4aec7bfba37910a171f9130ed800f8e6d68c958ebe5eeffaa7490fe03
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SHA512
fb9bfa0074798db2606a6144a1e0503bb46211fc585569643e07026078039e0d6e5f86b705dba685178371e78bab7dc60b24a1d5cd99eef77f95025d807cc221
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SSDEEP
768:+wUwhUwVbxp9vwyvwkDhRpigEdQzQbCMV4TK+jHY+:xBJxpuBKvpaUQbqTKMHp
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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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 54 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.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\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.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\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
48KB
MD57b7f514215066fc2dc3cbb1fcba6cb2b
SHA19fe31bde8f920bd0517616be432c5bb7421f1487
SHA25661a0e8b4aec7bfba37910a171f9130ed800f8e6d68c958ebe5eeffaa7490fe03
SHA512fb9bfa0074798db2606a6144a1e0503bb46211fc585569643e07026078039e0d6e5f86b705dba685178371e78bab7dc60b24a1d5cd99eef77f95025d807cc221
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Filesize
9.6MB
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Filesize
4.8MB
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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
4KB
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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