Analysis
- max time kernel
134s - max time network
143s - platform
windows10_x64 - resource
win10v200430 - submitted
10/07/2020, 13:29
General
- Target Contract.exe
- Size 819KB
- Sample200710-84g7fevete
- SHA256 e47f1419ace154d1aa7057058e82c5cc21326f1e9502328588261cb31eb0a372
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.kgroupindia.com
-
Port
587
-
Username
-
Password
KgrP@764.@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.kgroupindia.com
-
Port
587
-
Username
-
Password
KgrP@764.@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/852-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/852-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/852-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/852-4-0x0000000002160000-0x00000000021AC000-memory.dmp
memory/852-5-0x0000000002152000-0x0000000002153000-memory.dmp