Analysis
- max time kernel
140s - max time network
139s - platform
windows10_x64 - resource
win10v20201028 - submitted
04/12/2020, 14:30
General
- Target shipping documents.pdf.exe
- Size 763KB
- Sample201204-c2vg4ly3k6
- SHA256 74f16990678a13af89f7ead2e4d719e2383f933996d7ef4a2f6fafbce0f888d4
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.greatgoldenqlory.com
-
Port
587
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Username
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Password
chibuike12345@@@@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 3 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\shipping documents.pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents.pdf.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\KfkJknzCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE47A.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\shipping documents.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3084-7-0x00000000062A0000-0x00000000062A1000-memory.dmp
memory/3084-3-0x0000000000CF0000-0x0000000000CF1000-memory.dmp
memory/3084-2-0x0000000073940000-0x000000007402E000-memory.dmp
memory/3084-8-0x00000000058E0000-0x00000000058E1000-memory.dmp
memory/3084-9-0x0000000006A70000-0x0000000006AD9000-memory.dmp
memory/3084-10-0x0000000006B80000-0x0000000006B81000-memory.dmp
memory/3084-5-0x0000000005D70000-0x0000000005D71000-memory.dmp
memory/3084-6-0x0000000005770000-0x000000000577E000-memory.dmp
memory/3120-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3120-15-0x0000000073940000-0x000000007402E000-memory.dmp
memory/3120-20-0x00000000028D0000-0x00000000028D1000-memory.dmp
memory/3120-21-0x0000000005BF0000-0x0000000005BF1000-memory.dmp
memory/3120-23-0x0000000000F40000-0x0000000000F41000-memory.dmp