Analysis
- max time kernel
61s - max time network
147s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:11
General
- Target sam665.exe
- Size 770KB
- Sample201109-ld6abahw3e
- SHA256 eecae1c4f0341afd1a089da83da76e7a1e31f3f2243269722c9d0c9457c2ef85
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.shrc-india.com
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Port
587
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Username
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Password
Orders@9999
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 26 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\sam665.exe"C:\Users\Admin\AppData\Local\Temp\sam665.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\sam665.exe"C:\Users\Admin\AppData\Local\Temp\sam665.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
-
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C:\Users\Admin\AppData\Local\Temp\sam665.exe"C:\Users\Admin\AppData\Local\Temp\sam665.exe" 2 3884 2592775622⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3884-6-0x0000000002292000-0x0000000002293000-memory.dmp
memory/3884-2-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3884-4-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3884-5-0x00000000021B0000-0x0000000002202000-memory.dmp
memory/3884-0-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3884-7-0x00000000738B0000-0x0000000073F9E000-memory.dmp
memory/3884-10-0x0000000004AC0000-0x0000000004AC1000-memory.dmp
memory/3884-11-0x00000000048C0000-0x00000000048C1000-memory.dmp
memory/3884-12-0x0000000005430000-0x0000000005431000-memory.dmp
memory/3884-13-0x0000000005450000-0x0000000005451000-memory.dmp
memory/3884-15-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
memory/3884-16-0x0000000005C80000-0x0000000005C81000-memory.dmp