Analysis
- max time kernel
69s - max time network
119s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:51
General
- Target 2020 Payment Options.pdf.exe
- Size 720KB
- Sample201109-7bd28re5bs
- SHA256 bf37c329aefbeea9339c274a05081028b7093b5ff27bba5d588c1dfa86a19fce
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.flood-protection.org
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Port
587
-
Username
-
Password
bigfish2424@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.flood-protection.org
-
Port
587
-
Username
-
Password
bigfish2424@
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
-
C:\Users\Admin\AppData\Local\Temp\2020 Payment Options.pdf.exe"C:\Users\Admin\AppData\Local\Temp\2020 Payment Options.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\2020 Payment Options.pdf.exe"C:\Users\Admin\AppData\Local\Temp\2020 Payment Options.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/4084-10-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4084-22-0x0000000006570000-0x0000000006571000-memory.dmp
memory/4084-19-0x00000000060D0000-0x00000000060D1000-memory.dmp
memory/4084-18-0x0000000005510000-0x0000000005511000-memory.dmp
memory/4084-17-0x0000000005540000-0x0000000005541000-memory.dmp
memory/4084-13-0x0000000073370000-0x0000000073A5E000-memory.dmp
memory/4760-5-0x0000000004DA0000-0x0000000004DA2000-memory.dmp
memory/4760-9-0x0000000005130000-0x0000000005133000-memory.dmp
memory/4760-8-0x0000000005270000-0x0000000005271000-memory.dmp
memory/4760-7-0x00000000050C0000-0x00000000050C2000-memory.dmp
memory/4760-6-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/4760-0-0x0000000073370000-0x0000000073A5E000-memory.dmp
memory/4760-4-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/4760-3-0x0000000004D90000-0x0000000004D9F000-memory.dmp
memory/4760-1-0x00000000005A0000-0x00000000005A1000-memory.dmp