Analysis
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max time kernel
104s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:15
Static task
static1
Behavioral task
behavioral1
Sample
dhl_doc7348255141.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
dhl_doc7348255141.exe
Resource
win10v2004-20220414-en
General
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Target
dhl_doc7348255141.exe
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Size
422KB
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MD5
20e9fed94db568a0528021b9b86e146a
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SHA1
f1c5e739ba485e28fec47e11bd7ca9e3817d4b8b
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SHA256
aedee4f131eef738b19991d52758a3e5aa8b804a6763a9fd48b568f1351d5452
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SHA512
f403e12abd5cf17b7881ca440f149a236c94b91e25fe77f06844b829d72dc82c5e023c8e4a023edfb9b084ddd3fdc087ef55cc863989d8a92ac67966cbad5b0f
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.waltartosto.com - Port:
587 - Username:
[email protected] - Password:
pZQhjl!9
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/1500-132-0x0000000000400000-0x000000000044C000-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:
dhl_doc7348255141.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhl_doc7348255141.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhl_doc7348255141.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhl_doc7348255141.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
dhl_doc7348255141.exedescription pid process target process PID 1712 set thread context of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
dhl_doc7348255141.exedhl_doc7348255141.exepid process 1712 dhl_doc7348255141.exe 1500 dhl_doc7348255141.exe 1500 dhl_doc7348255141.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
dhl_doc7348255141.exedhl_doc7348255141.exedescription pid process Token: SeDebugPrivilege 1712 dhl_doc7348255141.exe Token: SeDebugPrivilege 1500 dhl_doc7348255141.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
dhl_doc7348255141.exedescription pid process target process PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe PID 1712 wrote to memory of 1500 1712 dhl_doc7348255141.exe dhl_doc7348255141.exe -
outlook_office_path 1 IoCs
Processes:
dhl_doc7348255141.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhl_doc7348255141.exe -
outlook_win_path 1 IoCs
Processes:
dhl_doc7348255141.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhl_doc7348255141.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dhl_doc7348255141.exe"C:\Users\Admin\AppData\Local\Temp\dhl_doc7348255141.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Users\Admin\AppData\Local\Temp\dhl_doc7348255141.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1500
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1500-131-0x0000000000000000-mapping.dmp
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memory/1500-132-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1500-133-0x00000000746C0000-0x0000000074C71000-memory.dmpFilesize
5.7MB
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memory/1712-130-0x00000000746C0000-0x0000000074C71000-memory.dmpFilesize
5.7MB