Analysis
- max time kernel
77s - max time network
151s - platform
windows10_x64 - resource
win10v200722 - submitted
31/08/2020, 08:35
General
- Target ca033e0eb65ae1baf1920e276478bc8d.exe
- Size 670KB
- Sample200831-6p2xtpptvs
- SHA256 027a94f959321d9125fb092ce081b0fbc108a9f3b2300a9c6cc8227a9109f13f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.spamora.net
-
Port
587
-
Username
-
Password
emotion22
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- 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
- Drops file in Windows directory 1 IoCs
- Modifies data under HKEY_USERS 5 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca033e0eb65ae1baf1920e276478bc8d.exe"C:\Users\Admin\AppData\Local\Temp\ca033e0eb65ae1baf1920e276478bc8d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ca033e0eb65ae1baf1920e276478bc8d.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3344-11-0x0000000000400000-0x0000000000466000-memory.dmp
memory/3344-22-0x0000000006800000-0x0000000006801000-memory.dmp
memory/3344-20-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/3344-19-0x0000000005230000-0x0000000005231000-memory.dmp
memory/3344-14-0x00000000738A0000-0x0000000073F8E000-memory.dmp
memory/3488-4-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/3488-10-0x0000000007C30000-0x0000000007CAF000-memory.dmp
memory/3488-7-0x0000000005600000-0x0000000005601000-memory.dmp
memory/3488-6-0x00000000054D0000-0x0000000005552000-memory.dmp
memory/3488-5-0x0000000002450000-0x0000000002453000-memory.dmp
memory/3488-0-0x00000000738A0000-0x0000000073F8E000-memory.dmp
memory/3488-3-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/3488-1-0x0000000000150000-0x0000000000151000-memory.dmp