Analysis
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max time kernel
160s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:52
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order - PO -SLD GRT-07480.pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchase Order - PO -SLD GRT-07480.pdf.exe
Resource
win10v2004-20220414-en
General
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Target
Purchase Order - PO -SLD GRT-07480.pdf.exe
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Size
764KB
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MD5
622edc1b39bf1ed986b68ab25bdbfe5a
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SHA1
1789b39de2c8bd681333248b39e2231d85e5956a
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SHA256
d757bb9a190984035e621c9be0d393a9ba6de60bca0256ad7268e68eea276cdc
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SHA512
7ed09875d52815c51c0b49e7ba0466f3d69dc7ab0c1b705fdd3eab80e6b2ed98b0df5a4b87e53e9516f6817deba20d379e87444ae559a945e286bfe40133b4d9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.flsrnidth.com - Port:
587 - Username:
[email protected] - Password:
x{Op,7(4O+yl
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/3660-133-0x00000000008D0000-0x000000000091C000-memory.dmp family_agenttesla behavioral2/memory/3660-134-0x00000000008D0000-0x000000000091C000-memory.dmp family_agenttesla -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.vbs notepad.exe -
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:
Purchase Order - PO -SLD GRT-07480.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order - PO -SLD GRT-07480.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order - PO -SLD GRT-07480.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order - PO -SLD GRT-07480.pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Purchase Order - PO -SLD GRT-07480.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exedescription pid process target process PID 4476 set thread context of 3660 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe Purchase Order - PO -SLD GRT-07480.pdf.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exePurchase Order - PO -SLD GRT-07480.pdf.exepid process 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe 3660 Purchase Order - PO -SLD GRT-07480.pdf.exe 3660 Purchase Order - PO -SLD GRT-07480.pdf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exepid process 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exepid process 3660 Purchase Order - PO -SLD GRT-07480.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exedescription pid process Token: SeDebugPrivilege 3660 Purchase Order - PO -SLD GRT-07480.pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exedescription pid process target process PID 4476 wrote to memory of 3328 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe notepad.exe PID 4476 wrote to memory of 3328 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe notepad.exe PID 4476 wrote to memory of 3328 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe notepad.exe PID 4476 wrote to memory of 3328 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe notepad.exe PID 4476 wrote to memory of 3328 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe notepad.exe PID 4476 wrote to memory of 3660 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe Purchase Order - PO -SLD GRT-07480.pdf.exe PID 4476 wrote to memory of 3660 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe Purchase Order - PO -SLD GRT-07480.pdf.exe PID 4476 wrote to memory of 3660 4476 Purchase Order - PO -SLD GRT-07480.pdf.exe Purchase Order - PO -SLD GRT-07480.pdf.exe -
outlook_office_path 1 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order - PO -SLD GRT-07480.pdf.exe -
outlook_win_path 1 IoCs
Processes:
Purchase Order - PO -SLD GRT-07480.pdf.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 Purchase Order - PO -SLD GRT-07480.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order - PO -SLD GRT-07480.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order - PO -SLD GRT-07480.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
PID:3328
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C:\Users\Admin\AppData\Local\Temp\Purchase Order - PO -SLD GRT-07480.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order - PO -SLD GRT-07480.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3660
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