Analysis
- max time kernel
67s - max time network
12s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 20:21
General
- Target New Order.02.06.2020.exe
- Size 525KB
- Sample201109-2br6yle4h6
- SHA256 865c8147240b3c3929cb5f4e992671eefb5c56caf485cb05af77361b9989a1cd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.mail.ru
-
Port
587
-
Username
-
Password
jesus080070
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 4 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\New Order.02.06.2020.exe"C:\Users\Admin\AppData\Local\Temp\New Order.02.06.2020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dfmKdFAoxLxUs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp580F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\New Order.02.06.2020.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\New Order.02.06.2020.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/288-6-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/288-3-0x00000000008B0000-0x000000000090B000-memory.dmp
memory/288-0-0x00000000740B0000-0x000000007479E000-memory.dmp
memory/288-7-0x0000000004B40000-0x0000000004B93000-memory.dmp
memory/288-1-0x0000000000E50000-0x0000000000E51000-memory.dmp
memory/1512-10-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1512-12-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1512-13-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1512-15-0x00000000740B0000-0x000000007479E000-memory.dmp