Analysis
- max time kernel
136s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
23/02/2022, 13:55
General
- Target 6b6782c5a550735ef0939f13b1e42b7e.exe
- Size 891KB
- Sample220223-q744xsbfgp
- SHA256 82a9142ae8e93f4cb4d723ea393084a2802bead7267ea3d7cc2dcc86c35ed9ed
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
kOOdr$f8
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6b6782c5a550735ef0939f13b1e42b7e.exe"C:\Users\Admin\AppData\Local\Temp\6b6782c5a550735ef0939f13b1e42b7e.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\6b6782c5a550735ef0939f13b1e42b7e.exe"C:\Users\Admin\AppData\Local\Temp\6b6782c5a550735ef0939f13b1e42b7e.exe"2⤵
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-
C:\Users\Admin\AppData\Local\Temp\6b6782c5a550735ef0939f13b1e42b7e.exe"C:\Users\Admin\AppData\Local\Temp\6b6782c5a550735ef0939f13b1e42b7e.exe"2⤵
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-
C:\Users\Admin\AppData\Local\Temp\6b6782c5a550735ef0939f13b1e42b7e.exe"C:\Users\Admin\AppData\Local\Temp\6b6782c5a550735ef0939f13b1e42b7e.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1320-136-0x0000000005710000-0x00000000057AC000-memory.dmp
memory/1320-132-0x0000000005860000-0x0000000005E04000-memory.dmp
memory/1320-133-0x0000000005170000-0x0000000005202000-memory.dmp
memory/1320-134-0x0000000005150000-0x000000000515A000-memory.dmp
memory/1320-135-0x0000000005410000-0x0000000005411000-memory.dmp
memory/1320-130-0x00000000006B0000-0x0000000000796000-memory.dmp
memory/1320-131-0x00000000750DE000-0x00000000750DF000-memory.dmp
memory/4712-137-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4712-139-0x00000000750DE000-0x00000000750DF000-memory.dmp
memory/4712-140-0x0000000005170000-0x0000000005171000-memory.dmp
memory/4712-141-0x0000000006030000-0x0000000006096000-memory.dmp
memory/4712-142-0x0000000006660000-0x00000000066B0000-memory.dmp