Analysis
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max time kernel
130s -
max time network
127s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
20-10-2021 03:17
Static task
static1
Behavioral task
behavioral1
Sample
payment copy.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
payment copy.exe
Resource
win10-en-20211014
General
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Target
payment copy.exe
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Size
463KB
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MD5
5ff2f079f187c67618fe79ade442dd5f
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SHA1
5bc25a34a2d8194c73e344ba58a25280bbcc21e9
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SHA256
6c4f03f9b58f8d25fb24a1ea161bf61fdafbc7050ccbd4f026098e58e2ba8fe4
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SHA512
402122d29aef25258e0bd65f2c7932512b7bcada0db6f672c123d94951f3697d9824f0f28b95bf45991e197a35a55d38d5702b0806053529360cff5991b55d6e
Malware Config
Extracted
agenttesla
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 5 IoCs
Processes:
resource yara_rule behavioral1/memory/856-60-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/856-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/856-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/856-63-0x000000000043760E-mapping.dmp family_agenttesla behavioral1/memory/856-64-0x0000000000400000-0x000000000043C000-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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-3456797065-1076791440-4146276586-1000\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 1768 set thread context of 856 1768 payment copy.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
payment copy.exeRegSvcs.exepid process 1768 payment copy.exe 1768 payment copy.exe 1768 payment copy.exe 856 RegSvcs.exe 856 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
payment copy.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1768 payment copy.exe Token: SeDebugPrivilege 856 RegSvcs.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
payment copy.exedescription pid process target process PID 1768 wrote to memory of 1112 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 1112 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 1112 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 1112 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 1112 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 1112 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 1112 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe PID 1768 wrote to memory of 856 1768 payment copy.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\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:1768 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1112
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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:856
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/856-63-0x000000000043760E-mapping.dmp
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memory/856-58-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-59-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/856-66-0x0000000000FA0000-0x0000000000FA1000-memory.dmpFilesize
4KB
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memory/856-67-0x0000000000FA1000-0x0000000000FA2000-memory.dmpFilesize
4KB
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memory/1768-55-0x0000000000420000-0x0000000000421000-memory.dmpFilesize
4KB
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memory/1768-56-0x0000000000690000-0x0000000000697000-memory.dmpFilesize
28KB
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memory/1768-57-0x0000000004B30000-0x0000000004B88000-memory.dmpFilesize
352KB
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memory/1768-53-0x0000000000A30000-0x0000000000A31000-memory.dmpFilesize
4KB