Analysis
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max time kernel
128s -
max time network
125s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
19-10-2021 06:46
General
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Target
Proforma Invoice.pdf.exe
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Size
551KB
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MD5
4aed86a83d6470edf10d71508c18e3c9
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SHA1
871973f1e5c71dc0d7e2b6bcd080be3d58b713f1
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SHA256
d83c9b45e97010c3c45988042a6f4e6c6c0945425853fed6f821aa0d28652f68
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SHA512
5d55f756f6483c075f2bec2650a8aec221fbe29f45f2425241e4a338c03eca6c01297b08d17da0abb1e2cbb038ac398f893ad25daa7c3e5432afd047830a9713
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.daproviaggi.it - Port:
587 - Username:
[email protected] - Password:
vacanz.E43
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
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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
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Suspicious use of SetThreadContext 1 IoCs
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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nFYKtQTxIw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AA4.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.pdf.exe"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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memory/1860-115-0x0000000000620000-0x0000000000621000-memory.dmpFilesize
4KB
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memory/1860-117-0x00000000078B0000-0x00000000078B1000-memory.dmpFilesize
4KB
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memory/1860-118-0x0000000007450000-0x0000000007451000-memory.dmpFilesize
4KB
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memory/1860-119-0x00000000073D0000-0x00000000073D1000-memory.dmpFilesize
4KB
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memory/1860-120-0x0000000004ED0000-0x0000000004ED1000-memory.dmpFilesize
4KB
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memory/1860-121-0x000000000A980000-0x000000000A988000-memory.dmpFilesize
32KB
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memory/1860-122-0x000000000D2F0000-0x000000000D2F1000-memory.dmpFilesize
4KB
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memory/1860-123-0x000000000D390000-0x000000000D3E8000-memory.dmpFilesize
352KB
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memory/3212-124-0x0000000000000000-mapping.dmp
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memory/3576-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3576-126-0x000000000043764E-mapping.dmp
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memory/3576-131-0x0000000004EB0000-0x00000000053AE000-memory.dmpFilesize
5.0MB
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memory/3576-132-0x0000000005370000-0x0000000005371000-memory.dmpFilesize
4KB
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memory/3576-133-0x0000000005C10000-0x0000000005C11000-memory.dmpFilesize
4KB