Analysis
- max time kernel
59s - max time network
113s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:21
General
- Target New Order.02.06.2020.exe
- Size 525KB
- Sample201109-2br6yle4h6
- SHA256 865c8147240b3c3929cb5f4e992671eefb5c56caf485cb05af77361b9989a1cd
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.mail.ru
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Port
587
-
Username
-
Password
jesus080070
Extracted
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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 2 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 17 IoCs
Processes
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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
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dfmKdFAoxLxUs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48A7.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\New Order.02.06.2020.exe"{path}"2⤵
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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
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/756-11-0x00000000052A0000-0x00000000052A1000-memory.dmp
memory/756-4-0x0000000009150000-0x0000000009151000-memory.dmp
memory/756-7-0x00000000096F0000-0x00000000096F1000-memory.dmp
memory/756-8-0x0000000004D40000-0x0000000004D41000-memory.dmp
memory/756-9-0x0000000004D50000-0x0000000004D52000-memory.dmp
memory/756-10-0x0000000005190000-0x00000000051E3000-memory.dmp
memory/756-0-0x00000000739A0000-0x000000007408E000-memory.dmp
memory/756-1-0x0000000000310000-0x0000000000311000-memory.dmp
memory/756-3-0x00000000070F0000-0x000000000714B000-memory.dmp
memory/1932-14-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1932-17-0x00000000739A0000-0x000000007408E000-memory.dmp
memory/1932-22-0x00000000053C0000-0x00000000053C1000-memory.dmp
memory/1932-23-0x0000000005F60000-0x0000000005F61000-memory.dmp