Analysis
- max time kernel
136s - max time network
55s - platform
windows7_x64 - resource
win7v20210408 - submitted
10/06/2021, 16:08
General
- Target 9a188a4b5ab76f5d53892f7bcd5dfbeb.exe
- Size 879KB
- Sample210610-jbbqedc1f2
- SHA256 12b582ab21f7f9cd0f7475461d4f3e12ea5b8ce8ea86010e062d6dc7b5d83473
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
lontor.cf
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Drops file in Drivers directory 1 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9a188a4b5ab76f5d53892f7bcd5dfbeb.exe"C:\Users\Admin\AppData\Local\Temp\9a188a4b5ab76f5d53892f7bcd5dfbeb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9a188a4b5ab76f5d53892f7bcd5dfbeb.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1156-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1156-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1156-70-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
memory/1156-71-0x0000000004CD1000-0x0000000004CD2000-memory.dmp
memory/1248-60-0x0000000000D50000-0x0000000000D51000-memory.dmp
memory/1248-62-0x00000000049A0000-0x00000000049A1000-memory.dmp
memory/1248-63-0x00000000005A0000-0x00000000005A2000-memory.dmp
memory/1248-64-0x0000000006050000-0x00000000060CC000-memory.dmp
memory/1248-65-0x0000000004840000-0x0000000004881000-memory.dmp