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Analysis
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max time kernel
104s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2024, 12:48
Static task
static1
Behavioral task
behavioral1
Sample
c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe
Resource
win10v2004-20241007-en
General
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Target
c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe
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Size
1.2MB
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MD5
eb1f8cce1cf50d9af4a3807e98ee25d2
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SHA1
b58d459ef5cb11f2b8cb7798ceffd9a65d4c9158
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SHA256
c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666
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SHA512
6f87b8831a49e85ed0d1b14600b7a3030cca3969a280e1733ce9f62ac9860a06e61e150b631f257014eea310a15b9a95d5786880881fddf09cf2ee29fed5a0ca
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SSDEEP
24576:pRmJkcoQricOIQxiZY1iaQ4UWqbG3MqFst6VoTDg:mJZoQrbTFZY1iaQV3G3MqF/VL
Malware Config
Extracted
Protocol: ftp- Host:
ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
nXe0M~WkW&nJ
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
nXe0M~WkW&nJ
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 16 api.ipify.org 17 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1552 set thread context of 216 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 216 RegSvcs.exe 216 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 216 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 216 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1552 wrote to memory of 216 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 86 PID 1552 wrote to memory of 216 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 86 PID 1552 wrote to memory of 216 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 86 PID 1552 wrote to memory of 216 1552 c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe"C:\Users\Admin\AppData\Local\Temp\c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\c28a883476acd1e148f159b51fc60408c361915eb1d8bbb98374777e58ea6666.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:216
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