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Analysis
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max time kernel
94s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2024, 07:51
Behavioral task
behavioral1
Sample
Shipping documents BL, CI & PL.pdf.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Shipping documents BL, CI & PL.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
Shipping documents BL, CI & PL.pdf.exe
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Size
811KB
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MD5
a66520a932198c68fc0df0423e2c046b
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SHA1
d49acc9ad7e386a48d83d0bd334294b4168e21fb
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SHA256
40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369
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SHA512
543ae2fa9923a599d55f0ec74f4eb2dd724209e83a5cb285fe19d40655ed8901c810013c6ba593cf55a7626cc120fdf5815a1eaa9e61ec071b2190f0b4f55f32
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SSDEEP
24576:qD0tM85tbNJjldeYiYHkOtw0BH2Hmpp68BMQaV6/778:qD0tM85DJjl/iW1tpBFpp6Ha78
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.palumalimited.com - Port:
587 - Username:
[email protected] - Password:
85h!UAfvL2AE - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe" RegSvcs.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/5068-8-0x0000000000400000-0x00000000004D5000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5068 set thread context of 3940 5068 Shipping documents BL, CI & PL.pdf.exe 82 -
resource yara_rule behavioral2/memory/5068-0-0x0000000000400000-0x00000000004D5000-memory.dmp upx behavioral2/memory/5068-8-0x0000000000400000-0x00000000004D5000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2796 5068 WerFault.exe 81 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Shipping documents BL, CI & PL.pdf.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 5068 Shipping documents BL, CI & PL.pdf.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3940 RegSvcs.exe 3940 RegSvcs.exe 3940 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5068 Shipping documents BL, CI & PL.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3940 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5068 wrote to memory of 3940 5068 Shipping documents BL, CI & PL.pdf.exe 82 PID 5068 wrote to memory of 3940 5068 Shipping documents BL, CI & PL.pdf.exe 82 PID 5068 wrote to memory of 3940 5068 Shipping documents BL, CI & PL.pdf.exe 82 PID 5068 wrote to memory of 3940 5068 Shipping documents BL, CI & PL.pdf.exe 82 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Shipping documents BL, CI & PL.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents BL, CI & PL.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents BL, CI & PL.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 7442⤵
- Program crash
PID:2796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5068 -ip 50681⤵PID:2912
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1