Analysis
- max time kernel
130s - max time network
118s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
27/12/2021, 12:31
General
- Target SKM908110098 draft documents sailing hyundai colombo,pdf.exe
- Size 1.2MB
- Sample211227-pp2qeabbgp
- SHA256 e9ce1184d7a415e812e294ca6a8757ba5288b6a2fdee887a7e64325c553d909c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.ozokgroup.com
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Port
587
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Username
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Password
Aozok1960.
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 6 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 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
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C:\Users\Admin\AppData\Local\Temp\SKM908110098 draft documents sailing hyundai colombo,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SKM908110098 draft documents sailing hyundai colombo,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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jFmUFWQqlRByQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jFmUFWQqlRByQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4818.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SKM908110098 draft documents sailing hyundai colombo,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SKM908110098 draft documents sailing hyundai colombo,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 Enterprise v6
Replay Monitor
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Downloads
memory/568-73-0x00000000026D1000-0x00000000026D2000-memory.dmp
memory/568-72-0x00000000026D0000-0x00000000026D1000-memory.dmp
memory/568-74-0x00000000026D2000-0x00000000026D4000-memory.dmp
memory/980-54-0x0000000000DC0000-0x0000000000EF6000-memory.dmp
memory/980-55-0x0000000075F21000-0x0000000075F23000-memory.dmp
memory/980-56-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/980-57-0x0000000000640000-0x0000000000650000-memory.dmp
memory/980-58-0x0000000004340000-0x00000000043B2000-memory.dmp
memory/980-53-0x0000000000DC0000-0x0000000000EF6000-memory.dmp
memory/1120-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-71-0x0000000004E60000-0x0000000004E61000-memory.dmp
memory/1120-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1120-75-0x0000000004E61000-0x0000000004E62000-memory.dmp