Analysis
- max time kernel
143s - max time network
120s - platform
windows7_x64 - resource
win7v20201028 - submitted
14/12/2020, 14:08
General
- Target Shipment Details.Pdf.exe
- Size 676KB
- Sample201214-zpy39avcms
- SHA256 6e8ee74b969d68611dea7540adaf26f4e5f19f5fdd6af4f650b4890cfefb5f2b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
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Port
587
-
Username
-
Password
Kissme4ever1479
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 WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shipment Details.Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Shipment Details.Pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ERxxaviRDsXd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBC7.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\Shipment Details.Pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/368-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/368-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/368-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/368-13-0x0000000074230000-0x000000007491E000-memory.dmp
memory/2024-2-0x0000000074230000-0x000000007491E000-memory.dmp
memory/2024-3-0x0000000001330000-0x0000000001331000-memory.dmp
memory/2024-5-0x00000000002C0000-0x00000000002CE000-memory.dmp
memory/2024-6-0x0000000007EF0000-0x0000000007F8F000-memory.dmp