Analysis
- max time kernel
143s - max time network
104s - platform
windows10_x64 - resource
win10v20201028 - submitted
02/11/2020, 19:38
General
- Target 1SPzJr8VrnDyJyl.exe
- Size 711KB
- Sample201102-mtaadyf1vj
- SHA256 1a45a42350aab874f77e01018c157f7268e78765802ca0e042d44dbc2e039f8f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sardaplywood.com
-
Port
587
-
Username
-
Password
sup123st45
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1SPzJr8VrnDyJyl.exe"C:\Users\Admin\AppData\Local\Temp\1SPzJr8VrnDyJyl.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\nLhwTARI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36C0.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1012-20-0x0000000005FB0000-0x0000000005FB1000-memory.dmp
memory/1012-19-0x0000000005440000-0x0000000005441000-memory.dmp
memory/1012-14-0x0000000073150000-0x000000007383E000-memory.dmp
memory/1012-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4756-5-0x0000000004F70000-0x0000000004F71000-memory.dmp
memory/4756-9-0x0000000008860000-0x0000000008861000-memory.dmp
memory/4756-8-0x0000000008750000-0x00000000087B1000-memory.dmp
memory/4756-7-0x0000000008480000-0x0000000008496000-memory.dmp
memory/4756-6-0x0000000008970000-0x0000000008971000-memory.dmp
memory/4756-0-0x0000000073150000-0x000000007383E000-memory.dmp
memory/4756-4-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/4756-3-0x00000000054A0000-0x00000000054A1000-memory.dmp
memory/4756-1-0x00000000005E0000-0x00000000005E1000-memory.dmp