Analysis
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max time kernel
128s -
max time network
104s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 12:50
Static task
static1
Behavioral task
behavioral1
Sample
e5cbbbfbcb1be51c9bbc02ef22634c55.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
e5cbbbfbcb1be51c9bbc02ef22634c55.exe
Resource
win10v2004-20220901-en
General
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Target
e5cbbbfbcb1be51c9bbc02ef22634c55.exe
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Size
842KB
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MD5
e5cbbbfbcb1be51c9bbc02ef22634c55
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SHA1
614b218ccf9b3d09655c25c081cc18baef354c33
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SHA256
be2862ff4b27841ac3b341d160cc56f5aab340de3f085933d9a3d0b57b0cef18
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SHA512
3f58e56d8feba4091da38f38b78185a3e17346f827d142b70c3564daef74bfa027504ac04980e87b0806bfc33f84ceb33bd565220e0faeb20a8e04a2fef122ca
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SSDEEP
12288:6EVq79KlSwx7IkNBJc64cDu5GQWUjMmaNlF3zdxetqx6jogl3Fo3JR4pKt:EEQw+m/zD+jdel5dxe8ALlu5R4p+
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
host39.registrar-servers.com - Port:
587 - Username:
[email protected] - Password:
payme nt12345
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 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.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
e5cbbbfbcb1be51c9bbc02ef22634c55.exedescription pid process target process PID 1424 set thread context of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RegSvcs.exepid process 1476 RegSvcs.exe 1476 RegSvcs.exe 1476 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1476 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
e5cbbbfbcb1be51c9bbc02ef22634c55.exedescription pid process target process PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe PID 1424 wrote to memory of 1476 1424 e5cbbbfbcb1be51c9bbc02ef22634c55.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e5cbbbfbcb1be51c9bbc02ef22634c55.exe"C:\Users\Admin\AppData\Local\Temp\e5cbbbfbcb1be51c9bbc02ef22634c55.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1476
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