Analysis
- max time kernel
85s - max time network
63s - platform
windows7_x64 - resource
win7 - submitted
14/07/2020, 01:52
General
- Target SecuriteInfo.com.Trojan.PWS.Siggen2.51871.27724.5588.exe
- Size 735KB
- Sample200714-8dn51cbkae
- SHA256 5ea87704ee73ec6165288907824fe246c4d8bb4f0599ba234973cfd79357a4d0
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
ftp
-
Host
ftp://ftp.skibokshotell.no/
-
Port
21
-
Username
-
Password
u{psFslG@7Ly
Credentials
-
Protocol
ftp
-
Host
ftp://ftp.skibokshotell.no/
-
Port
21
-
Username
-
Password
u{psFslG@7Ly
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Drops file in Drivers directory 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Siggen2.51871.27724.5588.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Siggen2.51871.27724.5588.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Siggen2.51871.27724.5588.exe"{path}"2⤵
- Drops file in Drivers directory
- 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/540-2-0x0000000000400000-0x000000000044C000-memory.dmp
memory/540-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/540-5-0x0000000000400000-0x000000000044C000-memory.dmp