Analysis
- max time kernel
145s - max time network
137s - platform
windows10_x64 - resource
win10 - submitted
20/10/2020, 06:33
General
- Target Products List - #20201019.exe
- Size 1.5MB
- Sample201020-clxeagfx1x
- SHA256 c327e8c358bf3cdb8a0d7b76513eec318f7fc652c286693f5f71ca285fec1a8c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.estagold.com.my
-
Port
587
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Username
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Password
estagold202584
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Products List - #20201019.exe"C:\Users\Admin\AppData\Local\Temp\Products List - #20201019.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\WRSjzhcIBHhSj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1FB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Products List - #20201019.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1756-11-0x0000000004EA0000-0x0000000004F03000-memory.dmp
memory/1756-3-0x0000000004C60000-0x0000000004CEE000-memory.dmp
memory/1756-8-0x0000000002570000-0x0000000002571000-memory.dmp
memory/1756-9-0x000000000A330000-0x000000000A331000-memory.dmp
memory/1756-10-0x000000000A300000-0x000000000A316000-memory.dmp
memory/1756-0-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/1756-4-0x000000000A5F0000-0x000000000A5F1000-memory.dmp
memory/1756-5-0x000000000A0F0000-0x000000000A0F1000-memory.dmp
memory/1756-1-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/2076-14-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2076-17-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/2076-22-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/2076-23-0x0000000005CB0000-0x0000000005CB1000-memory.dmp