Analysis
- max time kernel
53s - max time network
113s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:20
General
- Target 9d17dfecb2229f4fe345083969233c7f.exe
- Size 460KB
- Sample201109-7l553ec24j
- SHA256 e713a9bac94efc2de71fbcdca91c221b8f895aa48a216ec8a656a879e5a8bd83
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
princehero1234
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9d17dfecb2229f4fe345083969233c7f.exe"C:\Users\Admin\AppData\Local\Temp\9d17dfecb2229f4fe345083969233c7f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9d17dfecb2229f4fe345083969233c7f.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/352-9-0x0000000000400000-0x000000000044C000-memory.dmp
memory/352-18-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
memory/352-17-0x00000000057F0000-0x00000000057F1000-memory.dmp
memory/352-12-0x0000000073EE0000-0x00000000745CE000-memory.dmp
memory/1028-4-0x00000000076B0000-0x00000000076B1000-memory.dmp
memory/1028-8-0x000000000A1D0000-0x000000000A1D1000-memory.dmp
memory/1028-7-0x000000000A0D0000-0x000000000A11E000-memory.dmp
memory/1028-6-0x0000000007930000-0x0000000007932000-memory.dmp
memory/1028-5-0x0000000007650000-0x0000000007651000-memory.dmp
memory/1028-0-0x0000000073EE0000-0x00000000745CE000-memory.dmp
memory/1028-3-0x0000000007B10000-0x0000000007B11000-memory.dmp
memory/1028-1-0x00000000008D0000-0x00000000008D1000-memory.dmp