Analysis
- max time kernel
69s - max time network
75s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:32
General
- Target DHL_Receipt_pdf.exe
- Size 849KB
- Sample201109-4vsbcf6lha
- SHA256 923d6f2e83a74acdd4e501f42f737b720ab266e1ed7312994bd99e259bd15464
Malware Config
Extracted
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Protocol
smtp
-
Host
mail.flood-protection.org
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Port
587
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Username
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Password
sepp2424@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.flood-protection.org
-
Port
587
-
Username
-
Password
sepp2424@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL_Receipt_pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_Receipt_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL_Receipt_pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_Receipt_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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/3988-0-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3988-2-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3988-3-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3988-4-0x00000000021A0000-0x00000000021F2000-memory.dmp
memory/3988-5-0x0000000002292000-0x0000000002293000-memory.dmp