Analysis
- max time kernel
136s - max time network
131s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
17/02/2022, 18:10
General
- Target efd99d066cf9f98cb721beefa8aec062.exe
- Size 812KB
- Sample220217-wr4fcachd9
- SHA256 77873fe7bf938d5cf7c1de867e1c26fafac159ec4367abe40d046b7c5cc89bc8
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
asus-tv.tk
-
Port
587
-
Username
-
Password
7213575aceACE@#$
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\efd99d066cf9f98cb721beefa8aec062.exe"C:\Users\Admin\AppData\Local\Temp\efd99d066cf9f98cb721beefa8aec062.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\efd99d066cf9f98cb721beefa8aec062.exe"C:\Users\Admin\AppData\Local\Temp\efd99d066cf9f98cb721beefa8aec062.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/556-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/556-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/556-68-0x0000000004A01000-0x0000000004A02000-memory.dmp
memory/556-67-0x0000000004A00000-0x0000000004A01000-memory.dmp
memory/556-66-0x000000007469E000-0x000000007469F000-memory.dmp
memory/556-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/556-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/556-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/556-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/940-54-0x0000000000E30000-0x0000000000F02000-memory.dmp
memory/940-55-0x000000007469E000-0x000000007469F000-memory.dmp
memory/940-59-0x0000000004C00000-0x0000000004C3C000-memory.dmp
memory/940-58-0x0000000005490000-0x000000000554C000-memory.dmp
memory/940-57-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/940-56-0x00000000003C0000-0x00000000003CE000-memory.dmp