Analysis
- max time kernel
147s - max time network
45s - platform
windows7_x64 - resource
win7v20210410 - submitted
27/07/2021, 12:08
General
- Target banka dekontu_00295433.PDF________________________________.exe
- Size 38.0MB
- Sample210727-9tkcvsdal6
- SHA256 f6d53d3d7e1de59bf5d2a3962ff3096c7bbec3549c366717e51bfb74d0bc4a2b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
serv-10708.handsonwebhosting.com
-
Port
587
-
Username
-
Password
icui4cu2@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
- 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.
- 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\banka dekontu_00295433.PDF________________________________.exe"C:\Users\Admin\AppData\Local\Temp\banka dekontu_00295433.PDF________________________________.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\banka dekontu_00295433.PDF________________________________.exe"C:\Users\Admin\AppData\Local\Temp\banka dekontu_00295433.PDF________________________________.exe"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/736-60-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/736-62-0x0000000007470000-0x0000000007471000-memory.dmp
memory/736-63-0x00000000003F0000-0x00000000003FB000-memory.dmp
memory/736-64-0x0000000004F90000-0x000000000500D000-memory.dmp
memory/736-65-0x0000000000650000-0x000000000068D000-memory.dmp
memory/1364-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1364-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1364-70-0x0000000004A60000-0x0000000004A61000-memory.dmp
memory/1364-71-0x0000000004A61000-0x0000000004A62000-memory.dmp