Analysis
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max time kernel
121s -
max time network
39s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:57
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
416KB
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MD5
a4975ac7f40ccf4d1803e8edb97dce9e
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SHA1
2c7d642447cfb2a4b1ce65659ed383b0c96f11ed
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SHA256
fda1d068f7b5e8dcbaa65b83088db628ebc9e6420a9fdd258fb5f62bcb4b0935
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SHA512
e7b9c414498f1bf101aaa8a77f94266acf6099cb62e9027a8707d71195ece5f67c48745e3f72b7f77ea15bce803990852f3668c8069b2ab4e49b527e4165a681
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ionos.es - Port:
587 - Username:
bailen@famorga.com - Password:
Famorga2017
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/1740-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1740-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1740-64-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1740-65-0x0000000000446F7E-mapping.dmp family_agenttesla behavioral1/memory/1740-67-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1740-69-0x0000000000400000-0x000000000044C000-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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INVOICE.exedescription pid process target process PID 1692 set thread context of 1740 1692 INVOICE.exe INVOICE.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:
INVOICE.exepid process 1740 INVOICE.exe 1740 INVOICE.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
INVOICE.exedescription pid process Token: SeDebugPrivilege 1740 INVOICE.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
INVOICE.exepid process 1740 INVOICE.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
INVOICE.exedescription pid process target process PID 1692 wrote to memory of 1716 1692 INVOICE.exe schtasks.exe PID 1692 wrote to memory of 1716 1692 INVOICE.exe schtasks.exe PID 1692 wrote to memory of 1716 1692 INVOICE.exe schtasks.exe PID 1692 wrote to memory of 1716 1692 INVOICE.exe schtasks.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe PID 1692 wrote to memory of 1740 1692 INVOICE.exe INVOICE.exe -
outlook_office_path 1 IoCs
Processes:
INVOICE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\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 use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fmElvmhYYNFPQr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC43A.tmp"2⤵
- Creates scheduled task(s)
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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
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpC43A.tmpFilesize
1KB
MD594bebd777db924413637904984ad14bf
SHA10520c644b504a09937f4e58bd0423719ff79e362
SHA256f0960c67e78f6fef749b21aa0c2e5c646cddf9b30fb5636bc5205531dbea7baa
SHA512d6415a9d094b00e344e6c0a368c38edd96a066c48351ae93c802bcfd965c269bceded47254bb2663bbb2ce9ec6ff908249b1a8efdfe922e4767a42148a5582dd
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memory/1692-54-0x0000000001270000-0x00000000012DE000-memory.dmpFilesize
440KB
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memory/1692-55-0x0000000000500000-0x0000000000508000-memory.dmpFilesize
32KB
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memory/1692-56-0x00000000009C0000-0x0000000000A14000-memory.dmpFilesize
336KB
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memory/1716-57-0x0000000000000000-mapping.dmp
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memory/1740-60-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1740-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1740-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1740-63-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1740-64-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1740-65-0x0000000000446F7E-mapping.dmp
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memory/1740-67-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1740-69-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1740-70-0x0000000075951000-0x0000000075953000-memory.dmpFilesize
8KB