Analysis
- max time kernel
145s - max time network
148s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
04/10/2021, 09:25
General
- Target cotización.xls.exe
- Size 404KB
- Sample211004-ldmkkagber
- SHA256 7ace65e8c9b2a4f79b1e29381e4f9885c6e45a96daf7cbad55cbdbe6cda329a6
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.rapidmail.ec
-
Port
587
-
Username
-
Password
icui4cu2@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"C:\Users\Admin\AppData\Local\Temp\cotización.xls.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1116-53-0x00000000013D0000-0x00000000013D1000-memory.dmp
memory/1116-55-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/1116-56-0x00000000006F0000-0x00000000006FA000-memory.dmp
memory/1116-57-0x0000000004EE0000-0x0000000004F38000-memory.dmp
memory/1896-58-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1896-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1896-62-0x0000000004950000-0x0000000004951000-memory.dmp