Analysis
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max time kernel
144s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-06-2024 02:47
Behavioral task
behavioral1
Sample
0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe
Resource
win7-20240508-en
General
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Target
0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe
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Size
67KB
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MD5
2b274de1ba95b66b41fd57ba95e10653
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SHA1
ac08368b132f60bf0bd6adfb78153be62883c878
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SHA256
0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723
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SHA512
fa37fec96549faaf75c775902917aa250f484db72c11d3324cabea37deb609d26c992f7dc26ce5714388784cf688a103c8d33d9e82bb9f0acedc357aa86d5844
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SSDEEP
1536:AO6daHktjZytoFTeuDXvq0Zp2yby0BT7BIP5b6xihOuuvZY:da0o1euDXkyby11hOuGZY
Malware Config
Extracted
xworm
127.0.0.1:32901
engineering-thoroughly.gl.at.ply.gg:32901
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Install_directory
%AppData%
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install_file
OxyInstaller.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2216-1-0x0000000000E20000-0x0000000000E38000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 3008 powershell.exe 3032 powershell.exe 2788 powershell.exe 2680 powershell.exe -
Drops startup file 2 IoCs
Processes:
0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OxyInstaller.lnk 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OxyInstaller.lnk 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 2788 powershell.exe 2680 powershell.exe 3008 powershell.exe 3032 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe Token: SeDebugPrivilege 2788 powershell.exe Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 3008 powershell.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exedescription pid process target process PID 2216 wrote to memory of 2788 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 2788 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 2788 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 2680 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 2680 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 2680 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 3008 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 3008 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 3008 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 3032 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 3032 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe PID 2216 wrote to memory of 3032 2216 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe"C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe"1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\OxyInstaller.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'OxyInstaller.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5b2b4aec9a934fe333c4ea775c5ce2e29
SHA1b9b4da172e72e91acc28c4cec6448acd7137e69a
SHA2566d29b099555598ab1fd34e859514dc597c0db9d0f1bb69315d0845e081b49d4d
SHA51202b91e75ea7f606f91db3214b023222457e98cd2add75edb69a594163bc3500a7ae619665b930ae31595e94c6a6da5faab95a561a5410a1a3fdf6326f10a9fa2
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e