Analysis
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max time kernel
151s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 22:48
Static task
static1
Behavioral task
behavioral1
Sample
sales _pdf.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
sales _pdf.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
sales _pdf.exe
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Size
389KB
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MD5
4747f3b3a3564b5ea5c5ae0458e8cbdd
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SHA1
6fe111382094e485c5f4c94cee08326073326c9c
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SHA256
6fee5f036747f42839ee7df45c9f6480c9a5e7f3eddd546638f26858b2dc2276
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SHA512
99b7f8798c787a268f9b7e5facab12e4ac75bc0f60e38dde76a38338888340ad697d1e1fc7e8576364f026bfbdef27330b9324d079c7e3560b6443c123dabb1b
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.parshavayealborz.com - Port:
587 - Username:
[email protected] - Password:
P@rshava123456
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1476-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1476-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1476-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1476-64-0x00000000004471BE-mapping.dmp family_agenttesla behavioral1/memory/1476-66-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1476-68-0x0000000000400000-0x000000000044C000-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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
sales _pdf.exedescription pid process target process PID 272 set thread context of 1476 272 sales _pdf.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 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:
sales _pdf.exedescription pid process target process PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe PID 272 wrote to memory of 1476 272 sales _pdf.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\sales _pdf.exe"C:\Users\Admin\AppData\Local\Temp\sales _pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:272 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1476