Analysis
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max time kernel
143s -
max time network
127s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
20-10-2021 09:15
Static task
static1
Behavioral task
behavioral1
Sample
payment copy.exe
Resource
win7-en-20211014
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
payment copy.exe
Resource
win10-en-20211014
windows10_x64
0 signatures
0 seconds
General
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Target
payment copy.exe
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Size
433KB
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MD5
52e5279607c6ee625b8d01bdef0771ba
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SHA1
f136b9d2629bc255fcc36537f7ff1032ed05f3ab
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SHA256
ae847091d872af53d8c8f3e9d590a6ddfd24d979bd336c8a8fd4cccd5de20db0
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SHA512
00771c173de6a7d9ce07e9163928e8c9adad2cfd9f170f0f62529e4d98409a34d057b223bf2712081e4da95e90a02491d4a836f44d4d43efbab15d46e3606d85
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
sg2plcpnl0023.prod.sin2.secureserver.net - Port:
587 - Username:
[email protected] - Password:
User@40378
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3208-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3208-125-0x000000000043760E-mapping.dmp family_agenttesla behavioral2/memory/3208-130-0x0000000004F90000-0x000000000548E000-memory.dmp family_agenttesla behavioral2/memory/3208-135-0x0000000004F90000-0x000000000548E000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment copy.exedescription pid process target process PID 2680 set thread context of 3208 2680 payment copy.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
payment copy.exeRegSvcs.exepid process 2680 payment copy.exe 2680 payment copy.exe 3208 RegSvcs.exe 3208 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
payment copy.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2680 payment copy.exe Token: SeDebugPrivilege 3208 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
payment copy.exedescription pid process target process PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe PID 2680 wrote to memory of 3208 2680 payment copy.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment copy.exe"C:\Users\Admin\AppData\Local\Temp\payment copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3208
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