Analysis
- max time kernel
108s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:35
General
- Target shipping doc_pdf.exe
- Size 619KB
- Sample201109-726tawckps
- SHA256 76eaee704d2387983c39767b3c5804eecc90d35d73b8fa7c1f66c3e8606dfc1f
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.flood-protection.org
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Port
587
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Username
-
Password
emmydon2424@
Extracted
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agenttesla
-
Protocol
smtp
-
Host
mail.flood-protection.org
-
Port
587
-
Username
-
Password
emmydon2424@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\shipping doc_pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping doc_pdf.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\shipping doc_pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping doc_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/4088-11-0x0000000000400000-0x0000000000452000-memory.dmp
memory/4088-23-0x0000000006850000-0x0000000006851000-memory.dmp
memory/4088-20-0x00000000060D0000-0x00000000060D1000-memory.dmp
memory/4088-19-0x0000000005500000-0x0000000005501000-memory.dmp
memory/4088-18-0x0000000005550000-0x0000000005551000-memory.dmp
memory/4088-14-0x0000000073530000-0x0000000073C1E000-memory.dmp
memory/4704-5-0x0000000003280000-0x0000000003282000-memory.dmp
memory/4704-10-0x0000000005CC0000-0x0000000005CC1000-memory.dmp
memory/4704-9-0x0000000005C80000-0x0000000005C85000-memory.dmp
memory/4704-8-0x00000000063F0000-0x00000000063F1000-memory.dmp
memory/4704-7-0x0000000005A20000-0x0000000005A22000-memory.dmp
memory/4704-6-0x0000000006250000-0x0000000006251000-memory.dmp
memory/4704-0-0x0000000073530000-0x0000000073C1E000-memory.dmp
memory/4704-4-0x00000000065F0000-0x00000000065F1000-memory.dmp
memory/4704-3-0x00000000016B0000-0x00000000016BF000-memory.dmp
memory/4704-1-0x0000000000EA0000-0x0000000000EA1000-memory.dmp