Analysis
- max time kernel
118s - max time network
50s - platform
windows7_x64 - resource
win7v200722 - submitted
18/08/2020, 12:01
General
- Target URGENT_U.EXE
- Size 775KB
- Sample200818-wkcs6mscdj
- SHA256 e46618f0270d9929397a5d667b7133ddfb836d08d10d8cf83687b0b71d37cf95
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 7 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
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eSkCkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F2F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"C:\Users\Admin\AppData\Local\Temp\URGENT_U.EXE"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1508-0-0x0000000074820000-0x0000000074F0E000-memory.dmp
memory/1508-1-0x0000000000F10000-0x0000000000F11000-memory.dmp
memory/1508-3-0x0000000000480000-0x0000000000483000-memory.dmp
memory/1508-4-0x00000000054B0000-0x0000000005538000-memory.dmp
memory/1508-5-0x0000000004CC0000-0x0000000004D25000-memory.dmp
memory/1856-8-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1856-10-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1856-11-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1856-12-0x0000000073BA0000-0x000000007428E000-memory.dmp