Analysis
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max time kernel
118s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 02:31
Static task
static1
Behavioral task
behavioral1
Sample
vessel_documents_220524_pdf.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
vessel_documents_220524_pdf.exe
Resource
win10v2004-20240426-en
General
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Target
vessel_documents_220524_pdf.exe
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Size
1004KB
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MD5
f9a051bb69d81d56a813cb7c1b9723ca
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SHA1
48bc5e261d86fd13f381fdd8d99543f2e04f8d74
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SHA256
9a85f60d0a9c5ed32f0a0e8717769f82bf796a7fec9efc5826adb170d5742682
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SHA512
7cb35b72921599ceb1d239c356fe8ed08da1bf851d238df102ae373553754b7bcd41d2ba19e6a6504ef9a92ba0dc44f84eeb598016abdc2b48f4d3cbe2d3fa2b
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SSDEEP
24576:bAHnh+eWsN3skA4RV1Hom2KXMmHa4eHljd25:2h+ZkldoPK8Ya4eFS
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.window10server.com - Port:
587 - Username:
[email protected] - Password:
6oJwe0Mg7pNWEVD - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 api.ipify.org 13 ip-api.com 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
vessel_documents_220524_pdf.exedescription pid process target process PID 2748 set thread context of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2092 RegSvcs.exe 2092 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vessel_documents_220524_pdf.exepid process 2748 vessel_documents_220524_pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2092 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
vessel_documents_220524_pdf.exepid process 2748 vessel_documents_220524_pdf.exe 2748 vessel_documents_220524_pdf.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
vessel_documents_220524_pdf.exepid process 2748 vessel_documents_220524_pdf.exe 2748 vessel_documents_220524_pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 2092 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
vessel_documents_220524_pdf.exedescription pid process target process PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe PID 2748 wrote to memory of 2092 2748 vessel_documents_220524_pdf.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\vessel_documents_220524_pdf.exe"C:\Users\Admin\AppData\Local\Temp\vessel_documents_220524_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\vessel_documents_220524_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2092
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