Analysis
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max time kernel
131s -
max time network
124s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
21-10-2021 07:06
Static task
static1
Behavioral task
behavioral1
Sample
PAYMENT FOR OVERDUE INVOICE1.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
PAYMENT FOR OVERDUE INVOICE1.exe
Resource
win10-en-20211014
General
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Target
PAYMENT FOR OVERDUE INVOICE1.exe
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Size
480KB
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MD5
b34e1e34c7bca027e497a2c98b87a4d3
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SHA1
80bd380e72a110e51dde2e0a0492b2f9ce61a6dd
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SHA256
ca08070182c0182cabcae7e0fb3aea143e41d43e4bde4bd21dc04838d4bd417e
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SHA512
da37ac7697f9346bde68781ff7038ad7e6dde6f7485bdaa01553d4d2c7b9bfbdef1e18012cd0f806f39b5d220746549c57be0eae26e2efd90bb63947948343e4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
mmm777
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1108-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1108-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1108-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1108-65-0x000000000043782E-mapping.dmp family_agenttesla behavioral1/memory/1108-66-0x0000000000400000-0x000000000043C000-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:
PAYMENT FOR OVERDUE INVOICE1.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT FOR OVERDUE INVOICE1.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT FOR OVERDUE INVOICE1.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT FOR OVERDUE INVOICE1.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PAYMENT FOR OVERDUE INVOICE1.exedescription pid process target process PID 1384 set thread context of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.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 2 IoCs
Processes:
PAYMENT FOR OVERDUE INVOICE1.exepid process 1108 PAYMENT FOR OVERDUE INVOICE1.exe 1108 PAYMENT FOR OVERDUE INVOICE1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PAYMENT FOR OVERDUE INVOICE1.exedescription pid process Token: SeDebugPrivilege 1108 PAYMENT FOR OVERDUE INVOICE1.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PAYMENT FOR OVERDUE INVOICE1.exepid process 1108 PAYMENT FOR OVERDUE INVOICE1.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
PAYMENT FOR OVERDUE INVOICE1.exedescription pid process target process PID 1384 wrote to memory of 1068 1384 PAYMENT FOR OVERDUE INVOICE1.exe schtasks.exe PID 1384 wrote to memory of 1068 1384 PAYMENT FOR OVERDUE INVOICE1.exe schtasks.exe PID 1384 wrote to memory of 1068 1384 PAYMENT FOR OVERDUE INVOICE1.exe schtasks.exe PID 1384 wrote to memory of 1068 1384 PAYMENT FOR OVERDUE INVOICE1.exe schtasks.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe PID 1384 wrote to memory of 1108 1384 PAYMENT FOR OVERDUE INVOICE1.exe PAYMENT FOR OVERDUE INVOICE1.exe -
outlook_office_path 1 IoCs
Processes:
PAYMENT FOR OVERDUE INVOICE1.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT FOR OVERDUE INVOICE1.exe -
outlook_win_path 1 IoCs
Processes:
PAYMENT FOR OVERDUE INVOICE1.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT FOR OVERDUE INVOICE1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PAYMENT FOR OVERDUE INVOICE1.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT FOR OVERDUE INVOICE1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xsFqGJAH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp"2⤵
- Creates scheduled task(s)
PID:1068
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C:\Users\Admin\AppData\Local\Temp\PAYMENT FOR OVERDUE INVOICE1.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT FOR OVERDUE INVOICE1.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1108
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