Analysis
- max time kernel
108s - max time network
124s - platform
windows10_x64 - resource
win10 - submitted
18/08/2020, 08:52
General
- Target DHL Shipping Documents.exe
- Size 625KB
- Sample200818-1yajcthtt6
- SHA256 f437432942ec928304c96d45146a6cdcda572b79821fbd3d110cf6dc4b394d05
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.dorplex.com
-
Port
587
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Username
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Password
Dorplex1987
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Modifies registry key 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 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\DHL Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipping Documents.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL Shipping Documents.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f3⤵
- Modifies registry key
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3404-9-0x000000000BA10000-0x000000000BA7E000-memory.dmp
memory/3404-3-0x0000000007CD0000-0x0000000007CD1000-memory.dmp
memory/3404-5-0x00000000079D0000-0x00000000079D1000-memory.dmp
memory/3404-6-0x0000000007BF0000-0x0000000007BF1000-memory.dmp
memory/3404-7-0x00000000079E0000-0x00000000079E4000-memory.dmp
memory/3404-8-0x0000000002CA0000-0x0000000002D1B000-memory.dmp
memory/3404-0-0x00000000735B0000-0x0000000073C9E000-memory.dmp
memory/3404-4-0x0000000007870000-0x0000000007871000-memory.dmp
memory/3404-1-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
memory/3528-10-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3528-13-0x00000000735B0000-0x0000000073C9E000-memory.dmp
memory/3528-18-0x00000000059F0000-0x00000000059F1000-memory.dmp
memory/3528-19-0x0000000005B60000-0x0000000005B61000-memory.dmp