Analysis
- max time kernel
152s - max time network
118s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
31/01/2022, 09:18
General
- Target Spec&drawing_New order06614820220124112125.exe
- Size 529KB
- Sample220131-k9nbasghcr
- SHA256 8d132f4101af84f515e1221778a172efae55dbb6efb6bbe1f61bab8f5b7e6ea8
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.totallyanonymous.com
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Port
587
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Username
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Password
1991@mandiesel
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 6 IoCs
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Spec&drawing_New order06614820220124112125.exe"C:\Users\Admin\AppData\Local\Temp\Spec&drawing_New order06614820220124112125.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Spec&drawing_New order06614820220124112125.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Spec&drawing_New order06614820220124112125.exe"C:\Users\Admin\AppData\Local\Temp\Spec&drawing_New order06614820220124112125.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Spec&drawing_New order06614820220124112125.exe"C:\Users\Admin\AppData\Local\Temp\Spec&drawing_New order06614820220124112125.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
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Downloads
memory/284-67-0x0000000002350000-0x0000000002F9A000-memory.dmp
memory/284-69-0x0000000002350000-0x0000000002F9A000-memory.dmp
memory/284-68-0x0000000002350000-0x0000000002F9A000-memory.dmp
memory/640-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/640-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/640-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/640-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/640-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/640-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/640-66-0x0000000000440000-0x0000000000570000-memory.dmp
memory/1592-58-0x0000000004F30000-0x0000000004FA0000-memory.dmp
memory/1592-54-0x0000000000170000-0x00000000001FA000-memory.dmp
memory/1592-57-0x00000000003F0000-0x0000000000404000-memory.dmp
memory/1592-56-0x00000000766D1000-0x00000000766D3000-memory.dmp
memory/1592-55-0x0000000004B10000-0x0000000004B11000-memory.dmp