Analysis
- max time kernel
107s - max time network
74s - platform
windows10_x64 - resource
win10v200722 - submitted
18/08/2020, 19:18
General
- Target PO-SER-PL-M17220.exe
- Size 556KB
- Sample200818-st28ahaykx
- SHA256 e3e667f5f3f179990bcb4616c8e5d56eeb8399bd867799c4bc68fac82c9b0a0f
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
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Host
smtp.yandex.com
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Port
587
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Username
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Password
vicanto1994
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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-SER-PL-M17220.exe"C:\Users\Admin\AppData\Local\Temp\PO-SER-PL-M17220.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\uQhDADKaPUaZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E69.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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/2660-20-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
memory/2660-19-0x0000000005700000-0x0000000005701000-memory.dmp
memory/2660-14-0x0000000073270000-0x000000007395E000-memory.dmp
memory/2660-12-0x0000000000400000-0x0000000000466000-memory.dmp
memory/3952-5-0x0000000007960000-0x0000000007961000-memory.dmp
memory/3952-9-0x000000000D410000-0x000000000D471000-memory.dmp
memory/3952-8-0x0000000004DB0000-0x0000000004E1D000-memory.dmp
memory/3952-7-0x0000000007B50000-0x0000000007B54000-memory.dmp
memory/3952-6-0x0000000009BC0000-0x0000000009BC1000-memory.dmp
memory/3952-0-0x0000000073270000-0x000000007395E000-memory.dmp
memory/3952-4-0x0000000007800000-0x0000000007801000-memory.dmp
memory/3952-3-0x0000000007C60000-0x0000000007C61000-memory.dmp
memory/3952-1-0x0000000000920000-0x0000000000921000-memory.dmp