Analysis
- max time kernel
86s - max time network
34s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
19/11/2022, 07:18
General
- Target 4b4f3d0dc0ed69467f74bb73b9584bab.exe
- Size 951KB
- Sample221119-h4x77sec4v
- SHA256 f4d59861c5958a965d053cc69935c4a1bc80fe2bbc4e6467212d4063e486c049
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.tac.com.my
-
Port
587
-
Username
-
Password
Bryanlee838
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 3 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\4b4f3d0dc0ed69467f74bb73b9584bab.exe"C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"C:\Users\Admin\AppData\Local\Temp\4b4f3d0dc0ed69467f74bb73b9584bab.exe"2⤵
- 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/680-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/680-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/680-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/680-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/680-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/680-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/680-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1144-55-0x0000000076041000-0x0000000076043000-memory.dmp
memory/1144-54-0x0000000000F40000-0x0000000001034000-memory.dmp
memory/1144-59-0x0000000004FF0000-0x0000000005044000-memory.dmp
memory/1144-58-0x0000000005E40000-0x0000000005ECC000-memory.dmp
memory/1144-57-0x0000000000490000-0x000000000049C000-memory.dmp
memory/1144-56-0x0000000000520000-0x0000000000538000-memory.dmp