Analysis
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max time kernel
138s -
max time network
121s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
20-10-2021 20:52
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Invoice.pdf.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Proforma Invoice.pdf.exe
Resource
win10-en-20211014
General
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Target
Proforma Invoice.pdf.exe
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Size
426KB
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MD5
6e076b569560bf2e25726d56639bbbfe
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SHA1
73babceee474d401f5f0c36bf71cbb1da7374e7b
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SHA256
1f641c813dbf32c33e6e6a2b5f50851b967070b9e84cd288f818c6282c8671b2
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SHA512
0dba29e66219785a9565fc0ef88ec8172f372060a6fa374498aee093e74b4495161ab8f68861004661456457042a11f4d2951db8e28e44bae9f060fe7abf579f
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.daproviaggi.it - Port:
587 - Username:
[email protected] - Password:
vacanz.E43
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/792-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/792-126-0x000000000043764E-mapping.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:
Proforma Invoice.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Invoice.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Invoice.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Invoice.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Proforma Invoice.pdf.exedescription pid process target process PID 1656 set thread context of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Proforma Invoice.pdf.exeProforma Invoice.pdf.exepid process 1656 Proforma Invoice.pdf.exe 1656 Proforma Invoice.pdf.exe 792 Proforma Invoice.pdf.exe 792 Proforma Invoice.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Proforma Invoice.pdf.exeProforma Invoice.pdf.exedescription pid process Token: SeDebugPrivilege 1656 Proforma Invoice.pdf.exe Token: SeDebugPrivilege 792 Proforma Invoice.pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Proforma Invoice.pdf.exepid process 792 Proforma Invoice.pdf.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Proforma Invoice.pdf.exedescription pid process target process PID 1656 wrote to memory of 1572 1656 Proforma Invoice.pdf.exe schtasks.exe PID 1656 wrote to memory of 1572 1656 Proforma Invoice.pdf.exe schtasks.exe PID 1656 wrote to memory of 1572 1656 Proforma Invoice.pdf.exe schtasks.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe PID 1656 wrote to memory of 792 1656 Proforma Invoice.pdf.exe Proforma Invoice.pdf.exe -
outlook_office_path 1 IoCs
Processes:
Proforma Invoice.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Invoice.pdf.exe -
outlook_win_path 1 IoCs
Processes:
Proforma Invoice.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Proforma Invoice.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rYosmRSBPa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp65EA.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/792-133-0x00000000061A0000-0x00000000061A1000-memory.dmpFilesize
4KB
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memory/792-132-0x0000000006100000-0x0000000006101000-memory.dmpFilesize
4KB
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memory/792-131-0x00000000055F0000-0x00000000055F1000-memory.dmpFilesize
4KB
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memory/792-126-0x000000000043764E-mapping.dmp
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memory/792-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1572-124-0x0000000000000000-mapping.dmp
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memory/1656-119-0x0000000004FF0000-0x00000000054EE000-memory.dmpFilesize
5.0MB
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memory/1656-123-0x0000000005DE0000-0x0000000005E38000-memory.dmpFilesize
352KB
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memory/1656-122-0x0000000005D40000-0x0000000005D41000-memory.dmpFilesize
4KB
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memory/1656-121-0x0000000004FC0000-0x0000000004FC7000-memory.dmpFilesize
28KB
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memory/1656-120-0x0000000004F90000-0x0000000004F91000-memory.dmpFilesize
4KB
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memory/1656-115-0x0000000000700000-0x0000000000701000-memory.dmpFilesize
4KB
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memory/1656-118-0x0000000004FF0000-0x0000000004FF1000-memory.dmpFilesize
4KB
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memory/1656-117-0x00000000054F0000-0x00000000054F1000-memory.dmpFilesize
4KB