Analysis
- max time kernel
124s - max time network
127s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:29
General
- Target SecuriteInfo.com.CAP_HookExKeylogger.16588.18191.exe
- Size 654KB
- Sample201109-trdsveng3j
- SHA256 2f9864a34c7914cd87d6f031efc7b5bfd80aa26c8bdf82d60f56483105f68740
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
08140480968Ju@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Executes dropped EXE 1 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\SecuriteInfo.com.CAP_HookExKeylogger.16588.18191.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CAP_HookExKeylogger.16588.18191.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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/636-7-0x00000000050B0000-0x00000000050B2000-memory.dmp
memory/636-4-0x0000000005420000-0x0000000005421000-memory.dmp
memory/636-5-0x0000000002840000-0x0000000002842000-memory.dmp
memory/636-6-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/636-3-0x0000000002820000-0x000000000282F000-memory.dmp
memory/636-8-0x0000000005140000-0x0000000005141000-memory.dmp
memory/636-9-0x00000000050C0000-0x00000000050C2000-memory.dmp
memory/636-10-0x0000000006360000-0x0000000006361000-memory.dmp
memory/636-0-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/636-1-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/2176-11-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2176-15-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/2176-19-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/2176-20-0x0000000004F50000-0x0000000004F51000-memory.dmp
memory/2176-21-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
memory/2176-24-0x0000000005F30000-0x0000000005F31000-memory.dmp