Analysis
- max time kernel
116s - max time network
133s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:37
General
- Target H8pkkXDMNSesvys.exe
- Size 524KB
- Sample201109-vdap1eew9n
- SHA256 e909cbf5a12f8309b93746f877cb4cdf0b8a41d07c4b2badbf917748679213d2
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
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Host
mail.privateemail.com
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Port
587
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Username
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Password
09012345@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\H8pkkXDMNSesvys.exe"C:\Users\Admin\AppData\Local\Temp\H8pkkXDMNSesvys.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WQObBcOAIj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2EA.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/580-9-0x000000000B1C0000-0x000000000B1C1000-memory.dmp
memory/580-1-0x0000000000D20000-0x0000000000D21000-memory.dmp
memory/580-4-0x0000000007FD0000-0x0000000007FD1000-memory.dmp
memory/580-5-0x0000000007B70000-0x0000000007B71000-memory.dmp
memory/580-6-0x0000000007B20000-0x0000000007B21000-memory.dmp
memory/580-7-0x0000000005030000-0x0000000005033000-memory.dmp
memory/580-3-0x00000000055B0000-0x0000000005608000-memory.dmp
memory/580-8-0x000000000AC40000-0x000000000AC93000-memory.dmp
memory/580-0-0x0000000073F80000-0x000000007466E000-memory.dmp
memory/1376-12-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1376-14-0x0000000073F80000-0x000000007466E000-memory.dmp
memory/1376-19-0x0000000004A40000-0x0000000004A41000-memory.dmp
memory/1376-20-0x0000000005610000-0x0000000005611000-memory.dmp