Analysis
- max time kernel
137s - max time network
138s - platform
windows7_x64 - resource
win7-en - submitted
08/09/2021, 13:45
General
- Target e4b7f8aa3204acab47f9817674fe33f4.exe
- Size 973KB
- Sample210908-q2ebbahgcl
- SHA256 76cc34e4e55992c1cf1f4f41ac7351d3522f971d4cc949112cfb422d03ebace6
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.ccsp-india.com
-
Port
587
-
Username
-
Password
Lkp$CcsP1008
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e4b7f8aa3204acab47f9817674fe33f4.exe"C:\Users\Admin\AppData\Local\Temp\e4b7f8aa3204acab47f9817674fe33f4.exe"1⤵
- Loads dropped DLL
- 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
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1316-57-0x00000000006B0000-0x00000000006BA000-memory.dmp
memory/1316-53-0x0000000000320000-0x0000000000321000-memory.dmp
memory/1316-59-0x0000000000571000-0x0000000000572000-memory.dmp
memory/1316-56-0x0000000000750000-0x0000000000774000-memory.dmp
memory/1316-55-0x0000000000570000-0x0000000000571000-memory.dmp
memory/1488-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1488-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1488-66-0x0000000004800000-0x0000000004801000-memory.dmp
memory/1488-67-0x0000000004801000-0x0000000004802000-memory.dmp