Analysis
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max time kernel
117s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 00:11
Static task
static1
Behavioral task
behavioral1
Sample
3454345665432_PDF.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3454345665432_PDF.exe
Resource
win10v2004-20220414-en
General
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Target
3454345665432_PDF.exe
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Size
453KB
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MD5
b6ad45078bf162c1023f1abe6f5c2ee6
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SHA1
24986c2c848710286f23dfbadffeb4cd5eda6648
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SHA256
51161728627b1ccdf0ad9b9228e0d0e1bdaecb11530c53dcc10df9f31ec2255f
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SHA512
929c2f81fc088dda6107892e7871653ce1b3f300f63a3e761791697e6e3b3e5f715e9b1357d6b6c71476d0c6bac063a80c826eae4453b1ee700fec4e64609cbf
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
sample12
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
sample12
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/2944-134-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
3454345665432_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3454345665432_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3454345665432_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3454345665432_PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3454345665432_PDF.exedescription pid process target process PID 5108 set thread context of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
3454345665432_PDF.exe3454345665432_PDF.exepid process 5108 3454345665432_PDF.exe 5108 3454345665432_PDF.exe 5108 3454345665432_PDF.exe 5108 3454345665432_PDF.exe 5108 3454345665432_PDF.exe 5108 3454345665432_PDF.exe 2944 3454345665432_PDF.exe 2944 3454345665432_PDF.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
3454345665432_PDF.exe3454345665432_PDF.exedescription pid process Token: SeDebugPrivilege 5108 3454345665432_PDF.exe Token: SeDebugPrivilege 2944 3454345665432_PDF.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3454345665432_PDF.exedescription pid process target process PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe PID 5108 wrote to memory of 2944 5108 3454345665432_PDF.exe 3454345665432_PDF.exe -
outlook_office_path 1 IoCs
Processes:
3454345665432_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3454345665432_PDF.exe -
outlook_win_path 1 IoCs
Processes:
3454345665432_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3454345665432_PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3454345665432_PDF.exe"C:\Users\Admin\AppData\Local\Temp\3454345665432_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Users\Admin\AppData\Local\Temp\3454345665432_PDF.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2944
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
412B
MD5ad1c7f6525cfeb54c0487efd38b0e26c
SHA1ed3da94723ac7e3828a9e93d68418bb810592f3b
SHA2560a534a3d0fa82e6a427164c5f6e702cac7e4afc9967af9bc5ddba4f84ab33276
SHA51248d625e6be5391d91d95c2850226fe39bb2411cb72139797699cfe126e6b066182e83950a8ea67e63b64a66b0d45f58d8bc97cab0363d55c2fd88c0d1d28009c