Analysis
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max time kernel
104s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:35
Static task
static1
Behavioral task
behavioral1
Sample
Overdue Invoice.,-,.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Overdue Invoice.,-,.exe
Resource
win10v2004-20220414-en
General
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Target
Overdue Invoice.,-,.exe
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Size
545KB
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MD5
0812e6b42bce4af2abf9b12bbe8379a8
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SHA1
3f83730f63a233a6b37528b0fe8326d5ece24586
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SHA256
3333a191bc36b4a7a76e51c0b7b83c5d2b7d253f074789c2302ec598c30711b3
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SHA512
be52d77585fc3cb261b3b28b215f26daac4d2b8b4fbb6561a8a48ec207130619605c176d6dec11827826160f9c47655d12521433da5a0856291168981b0739f3
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.blc.com.np - Port:
587 - Username:
[email protected] - Password:
Bhuramal123
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/2016-136-0x0000000000400000-0x0000000000458000-memory.dmp family_agenttesla -
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:
Overdue Invoice.,-,.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Overdue Invoice.,-,.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Overdue Invoice.,-,.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Overdue Invoice.,-,.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Overdue Invoice.,-,.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BAVLA = "C:\\Users\\Admin\\AppData\\Roaming\\BAVLA\\BAVLA.exe" Overdue Invoice.,-,.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Overdue Invoice.,-,.exedescription pid process target process PID 776 set thread context of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
Overdue Invoice.,-,.exeOverdue Invoice.,-,.exepid process 776 Overdue Invoice.,-,.exe 776 Overdue Invoice.,-,.exe 776 Overdue Invoice.,-,.exe 776 Overdue Invoice.,-,.exe 2016 Overdue Invoice.,-,.exe 2016 Overdue Invoice.,-,.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Overdue Invoice.,-,.exeOverdue Invoice.,-,.exedescription pid process Token: SeDebugPrivilege 776 Overdue Invoice.,-,.exe Token: SeDebugPrivilege 2016 Overdue Invoice.,-,.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Overdue Invoice.,-,.exedescription pid process target process PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe PID 776 wrote to memory of 2016 776 Overdue Invoice.,-,.exe Overdue Invoice.,-,.exe -
outlook_office_path 1 IoCs
Processes:
Overdue Invoice.,-,.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Overdue Invoice.,-,.exe -
outlook_win_path 1 IoCs
Processes:
Overdue Invoice.,-,.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 Overdue Invoice.,-,.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Overdue Invoice.,-,.exe"C:\Users\Admin\AppData\Local\Temp\Overdue Invoice.,-,.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Users\Admin\AppData\Local\Temp\Overdue Invoice.,-,.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3