Analysis
- max time kernel
92s - max time network
53s - platform
windows7_x64 - resource
win7 - submitted
31/07/2020, 09:25
General
- Target 681378c431cd1552b31f712d5e98603f.exe
- Size 439KB
- Sample200731-ccy3d2ltcj
- SHA256 0dff04cbc66cf66ac737d135dea5f85bc6bcf08d274d14d544949951de56597c
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
webmail.dragon-pack.com
-
Port
587
-
Username
-
Password
LYNAHRDt12
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\681378c431cd1552b31f712d5e98603f.exe"C:\Users\Admin\AppData\Local\Temp\681378c431cd1552b31f712d5e98603f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VLcsak" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2D1.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\681378c431cd1552b31f712d5e98603f.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/656-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/656-7-0x0000000000400000-0x000000000044C000-memory.dmp
memory/656-6-0x0000000000400000-0x000000000044C000-memory.dmp