Analysis
- max time kernel
150s - max time network
117s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/11/2020, 12:34
General
- Target 9c6fb8746b6cccb65cee1d12cfe9dd67.exe
- Size 1021KB
- Sample201117-wnnr648v8a
- SHA256 2e132b331b416b7480762cd12eda3fba08eeff73f54042c44247419a28450708
Malware Config
Extracted
-
agenttesla
-
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
india@123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9c6fb8746b6cccb65cee1d12cfe9dd67.exe"C:\Users\Admin\AppData\Local\Temp\9c6fb8746b6cccb65cee1d12cfe9dd67.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\9c6fb8746b6cccb65cee1d12cfe9dd67.exe"C:\Users\Admin\AppData\Local\Temp\9c6fb8746b6cccb65cee1d12cfe9dd67.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/564-31-0x0000000005AE0000-0x0000000005AE1000-memory.dmp
memory/564-29-0x0000000006320000-0x0000000006321000-memory.dmp
memory/564-28-0x00000000057A0000-0x00000000057A1000-memory.dmp
memory/564-23-0x0000000073FA0000-0x000000007468E000-memory.dmp
memory/3780-12-0x0000000005D70000-0x0000000005D71000-memory.dmp
memory/3780-9-0x0000000073FA0000-0x000000007468E000-memory.dmp
memory/3780-13-0x0000000005870000-0x0000000005871000-memory.dmp
memory/3780-7-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3968-15-0x0000000073FA0000-0x000000007468E000-memory.dmp
memory/4704-0-0x0000000073FA0000-0x000000007468E000-memory.dmp
memory/4704-6-0x0000000004DD0000-0x0000000004E0C000-memory.dmp
memory/4704-4-0x0000000005050000-0x000000000508E000-memory.dmp
memory/4704-3-0x0000000004B70000-0x0000000004B71000-memory.dmp
memory/4704-1-0x00000000001B0000-0x00000000001B1000-memory.dmp