Analysis
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max time kernel
129s -
max time network
138s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
19-10-2021 12:51
General
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Target
PAYMENT FOR OVERDUE INVOICE.exe
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Size
524KB
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MD5
96cf34669c65a64d54b2a94e30d5f0b1
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SHA1
e6f0c5bddacd46161264cf6732a058a8a8653d94
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SHA256
95343899c04fd43017de6b2ab77d9c3bbb5efc31c80bad0ac2cad17ffd22a4ef
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SHA512
c91a0b1e9925b65374c50560446bf45ea47948bcf7303d06f54ec07a7a52cbdcafdc14978c5d25e72d7751d3d477e755b646bb8b58386c56e3a742b265c1063b
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
mmm777
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
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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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 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\PAYMENT FOR OVERDUE INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT FOR OVERDUE 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\uVFztJi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7B2.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PAYMENT FOR OVERDUE INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT FOR OVERDUE INVOICE.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 Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/876-58-0x0000000000000000-mapping.dmp
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memory/1288-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1288-59-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1288-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1288-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1288-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1288-64-0x000000000043782E-mapping.dmp
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memory/1288-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1288-67-0x0000000004A90000-0x0000000004A91000-memory.dmpFilesize
4KB
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memory/1288-68-0x0000000004A91000-0x0000000004A92000-memory.dmpFilesize
4KB
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memory/1516-56-0x00000000002D0000-0x00000000002D8000-memory.dmpFilesize
32KB
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memory/1516-57-0x0000000004980000-0x00000000049D8000-memory.dmpFilesize
352KB
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memory/1516-55-0x0000000007320000-0x0000000007321000-memory.dmpFilesize
4KB
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memory/1516-53-0x0000000000A80000-0x0000000000A81000-memory.dmpFilesize
4KB