Analysis
- max time kernel
150s - max time network
118s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/11/2020, 18:24
General
- Target PRODUCT SPECIFICATION.exe
- Size 991KB
- Sample201108-m2zva4eee6
- SHA256 3813d5fe541f008c96f3a0f367113a1fa3c047f08815fcd8335c4b829523ca28
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
GODISGOOD0147
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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\PRODUCT SPECIFICATION.exe"C:\Users\Admin\AppData\Local\Temp\PRODUCT SPECIFICATION.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PRODUCT SPECIFICATION.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/640-7-0x0000000009790000-0x00000000097A6000-memory.dmp
memory/640-9-0x000000000A0E0000-0x000000000A0E1000-memory.dmp
memory/640-4-0x00000000073C0000-0x00000000073C1000-memory.dmp
memory/640-5-0x0000000007330000-0x0000000007331000-memory.dmp
memory/640-6-0x0000000009BB0000-0x0000000009BB1000-memory.dmp
memory/640-0-0x0000000073DC0000-0x00000000744AE000-memory.dmp
memory/640-8-0x00000000099D0000-0x0000000009A84000-memory.dmp
memory/640-3-0x0000000007820000-0x0000000007821000-memory.dmp
memory/640-10-0x0000000009020000-0x0000000009021000-memory.dmp
memory/640-1-0x0000000000530000-0x0000000000531000-memory.dmp
memory/1532-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1532-14-0x0000000073DC0000-0x00000000744AE000-memory.dmp
memory/1532-19-0x00000000059D0000-0x00000000059D1000-memory.dmp