Analysis
- max time kernel
128s - max time network
64s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/04/2021, 09:42
General
- Target payment details.exe
- Size 712KB
- Sample210408-12ezy36t82
- SHA256 e81d917830f3fabca0557b899267ebe84ecc6fcbb5e1cd649284d1370d8a8876
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.almasroor.com
-
Port
587
-
Username
-
Password
042264528
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Drops file in Drivers directory 1 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment details.exe"C:\Users\Admin\AppData\Local\Temp\payment details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\payment details.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/732-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/732-136-0x00000000054D0000-0x00000000059CE000-memory.dmp
memory/732-133-0x0000000006250000-0x0000000006251000-memory.dmp
memory/732-132-0x00000000061C0000-0x00000000061C1000-memory.dmp
memory/732-131-0x00000000054D0000-0x00000000059CE000-memory.dmp
memory/1152-119-0x00000000052D0000-0x00000000057CE000-memory.dmp
memory/1152-123-0x0000000006FF0000-0x000000000705F000-memory.dmp
memory/1152-122-0x0000000008B20000-0x0000000008BCD000-memory.dmp
memory/1152-121-0x0000000005520000-0x0000000005525000-memory.dmp
memory/1152-120-0x00000000077F0000-0x00000000077F1000-memory.dmp
memory/1152-114-0x0000000000910000-0x0000000000911000-memory.dmp
memory/1152-118-0x0000000005290000-0x0000000005291000-memory.dmp
memory/1152-117-0x00000000051F0000-0x00000000051F1000-memory.dmp
memory/1152-116-0x00000000057D0000-0x00000000057D1000-memory.dmp