Analysis
- max time kernel
146s - max time network
135s - platform
windows10_x64 - resource
win10-en - submitted
09/09/2021, 07:25
General
- Target DUBAI 34243D.exe
- Size 841KB
- Sample210909-h82fesahfr
- SHA256 ee7c081fae091ac85f5183f07128c756f8d5cadd515279c3f261c67291b8d8aa
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.myremediez.com
-
Port
587
-
Username
-
Password
123123456
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
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DUBAI 34243D.exe"C:\Users\Admin\AppData\Local\Temp\DUBAI 34243D.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hqGRnhGfCsO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE092.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DUBAI 34243D.exe"C:\Users\Admin\AppData\Local\Temp\DUBAI 34243D.exe"2⤵
- 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/2120-135-0x00000000065C0000-0x00000000065C1000-memory.dmp
memory/2120-134-0x0000000005A60000-0x0000000005A61000-memory.dmp
memory/2120-133-0x00000000058C0000-0x00000000058C1000-memory.dmp
memory/2120-126-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2248-120-0x0000000004B50000-0x000000000504E000-memory.dmp
memory/2248-124-0x000000000AB00000-0x000000000AB38000-memory.dmp
memory/2248-123-0x00000000081B0000-0x000000000820F000-memory.dmp
memory/2248-122-0x0000000008190000-0x00000000081A6000-memory.dmp
memory/2248-121-0x0000000008230000-0x0000000008231000-memory.dmp
memory/2248-115-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/2248-119-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/2248-118-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
memory/2248-117-0x0000000005050000-0x0000000005051000-memory.dmp