Analysis
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max time kernel
137s -
max time network
137s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
18-10-2021 16:28
Static task
static1
Behavioral task
behavioral1
Sample
opy BL and Debit Note.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
opy BL and Debit Note.exe
Resource
win10-en-20211014
General
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Target
opy BL and Debit Note.exe
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Size
422KB
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MD5
ce00cefb977e8a50e8942a9ddb6eccee
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SHA1
646e7fca81c38570a9a98cf547c030c7590941b9
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SHA256
1be9f705235200cb51b70aadeb4252fae371b17c95d09b20ee79160833479ac2
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SHA512
e931a9c5e8510ff8fbd7fffec63df18a867fcdc44c374a1316757bada1f7dfcb0a943fa247347b7ddc2577eef1b41f42483367e6dea32b898a16a00a1c0ed7d3
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.davaobay.com.ph - Port:
587 - Username:
[email protected] - Password:
p@ssw0rd
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/240-60-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/240-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/240-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/240-63-0x00000000004376CE-mapping.dmp family_agenttesla behavioral1/memory/240-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
opy BL and Debit Note.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts opy BL and Debit Note.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:
opy BL and Debit Note.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 opy BL and Debit Note.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 opy BL and Debit Note.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 opy BL and Debit Note.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
opy BL and Debit Note.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe" opy BL and Debit Note.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
opy BL and Debit Note.exedescription pid process target process PID 2044 set thread context of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
opy BL and Debit Note.exepid process 240 opy BL and Debit Note.exe 240 opy BL and Debit Note.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
opy BL and Debit Note.exedescription pid process Token: SeDebugPrivilege 240 opy BL and Debit Note.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
opy BL and Debit Note.exedescription pid process target process PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe PID 2044 wrote to memory of 240 2044 opy BL and Debit Note.exe opy BL and Debit Note.exe -
outlook_office_path 1 IoCs
Processes:
opy BL and Debit Note.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 opy BL and Debit Note.exe -
outlook_win_path 1 IoCs
Processes:
opy BL and Debit Note.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 opy BL and Debit Note.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\opy BL and Debit Note.exe"C:\Users\Admin\AppData\Local\Temp\opy BL and Debit Note.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\opy BL and Debit Note.exe"C:\Users\Admin\AppData\Local\Temp\opy BL and Debit Note.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:240