Analysis
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max time kernel
154s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:14
Static task
static1
Behavioral task
behavioral1
Sample
Candidate_list.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Candidate_list.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
Candidate_list.exe
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Size
331KB
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MD5
db1cba646f5432bc3e528e9d67f9fc01
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SHA1
0f5d941c986623b79484fdde2ce0d8f278163956
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SHA256
75ce329091d54aa2fcf6cd6f58704493e0f4ac878279c49db239140051341931
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SHA512
9a51cb0c4e1d9803cbc38f816d44a3ddb8d0f74a7d84a27465f94242e1a2cf926abd8b7a8048e9ced176c0a855a770daee6d89c128e88d49626413b866c6ee90
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.prime-lawfirm.com - Port:
587 - Username:
[email protected] - Password:
P@ssword201?
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4508-138-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Candidate_list.exedescription pid process target process PID 2692 set thread context of 4508 2692 Candidate_list.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
Candidate_list.exeRegSvcs.exepid process 2692 Candidate_list.exe 2692 Candidate_list.exe 2692 Candidate_list.exe 2692 Candidate_list.exe 2692 Candidate_list.exe 2692 Candidate_list.exe 4508 RegSvcs.exe 4508 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Candidate_list.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2692 Candidate_list.exe Token: SeDebugPrivilege 4508 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Candidate_list.exedescription pid process target process PID 2692 wrote to memory of 4592 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4592 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4592 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4608 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4608 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4608 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4584 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4584 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4584 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe PID 2692 wrote to memory of 4508 2692 Candidate_list.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Candidate_list.exe"C:\Users\Admin\AppData\Local\Temp\Candidate_list.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:4592
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:4608
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:4584
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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:4508
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/2692-130-0x0000000000F90000-0x0000000000FE8000-memory.dmpFilesize
352KB
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memory/2692-131-0x0000000005B40000-0x0000000005BD2000-memory.dmpFilesize
584KB
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memory/2692-132-0x0000000006280000-0x000000000631C000-memory.dmpFilesize
624KB
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memory/2692-133-0x00000000069D0000-0x0000000006F74000-memory.dmpFilesize
5.6MB
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memory/4508-137-0x0000000000000000-mapping.dmp
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memory/4508-138-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/4508-139-0x0000000005CF0000-0x0000000005D56000-memory.dmpFilesize
408KB
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memory/4508-140-0x0000000006410000-0x0000000006460000-memory.dmpFilesize
320KB
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memory/4508-141-0x00000000063A0000-0x00000000063AA000-memory.dmpFilesize
40KB
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memory/4584-136-0x0000000000000000-mapping.dmp
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memory/4592-134-0x0000000000000000-mapping.dmp
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memory/4608-135-0x0000000000000000-mapping.dmp