Analysis
- max time kernel
140s - max time network
140s - platform
windows10_x64 - resource
win10 - submitted
04/08/2020, 10:07
General
- Target 20OA06052040820.exe
- Size 847KB
- Sample200804-7wbrlegman
- SHA256 a5efbcb25b4339ea9e004364c443afaadb86353cce9dcd9508115bda5a57be88
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.solivera.com
-
Port
587
-
Username
-
Password
.7S+{Gv&\{
Signatures
- Suspicious use of WriteProcessMemory 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- AgentTesla Payload 4 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious behavior: EnumeratesProcesses 4 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 data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
Processes
-
C:\Users\Admin\AppData\Local\Temp\20OA06052040820.exe"C:\Users\Admin\AppData\Local\Temp\20OA06052040820.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Local\Temp\20OA06052040820.exe"C:\Users\Admin\AppData\Local\Temp\20OA06052040820.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4016-0-0x0000000000400000-0x00000000004A6000-memory.dmp
memory/4016-2-0x0000000000400000-0x00000000004A6000-memory.dmp
memory/4016-3-0x0000000000400000-0x00000000004A6000-memory.dmp
memory/4016-4-0x00000000021A0000-0x00000000021EC000-memory.dmp
memory/4016-5-0x0000000002222000-0x0000000002223000-memory.dmp