Analysis
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max time kernel
125s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:52
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Invoice.exe
Resource
win10v2004-20220414-en
General
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Target
Invoice.exe
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Size
533KB
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MD5
676213812fcd942f150519418bad81f0
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SHA1
63c6513df8879238baef6869bd2c2c5324626337
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SHA256
c8f62dda091a29ed35c26e212840d0c260c9f420f5a7940b2b1f088ad10a3c2d
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SHA512
945e542fc9dca0dc00f342749fd4662fadf68b2284b8955211771f8a4d2bf897e12ee10fe9435b57bdd757aa954a239ed0f42d5e787f827113e69f825262b730
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.visgring.com - Port:
587 - Username:
px@visgring.com - Password:
uqtQpAv1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1764-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-64-0x000000000044695E-mapping.dmp family_agenttesla behavioral1/memory/1764-66-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-68-0x0000000000400000-0x000000000044C000-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:
Invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice.exedescription pid process target process PID 1596 set thread context of 1764 1596 Invoice.exe Invoice.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Invoice.exeInvoice.exepid process 1596 Invoice.exe 1764 Invoice.exe 1764 Invoice.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Invoice.exeInvoice.exedescription pid process Token: SeDebugPrivilege 1596 Invoice.exe Token: SeDebugPrivilege 1764 Invoice.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Invoice.exedescription pid process target process PID 1596 wrote to memory of 1768 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1768 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1768 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1768 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe PID 1596 wrote to memory of 1764 1596 Invoice.exe Invoice.exe -
outlook_office_path 1 IoCs
Processes:
Invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe -
outlook_win_path 1 IoCs
Processes:
Invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1596-54-0x0000000000FC0000-0x000000000104C000-memory.dmpFilesize
560KB
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memory/1596-55-0x0000000075781000-0x0000000075783000-memory.dmpFilesize
8KB
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memory/1596-56-0x0000000000460000-0x0000000000468000-memory.dmpFilesize
32KB
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memory/1596-57-0x0000000004450000-0x00000000044A4000-memory.dmpFilesize
336KB
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memory/1764-58-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1764-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1764-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1764-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1764-63-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1764-64-0x000000000044695E-mapping.dmp
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memory/1764-66-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1764-68-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB