Analysis
- max time kernel
97s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/03/2021, 06:39
General
- Target RFQ REF R2100131410.pdf.exe
- Size 527KB
- Sample210309-ypbbhvjv2e
- SHA256 407abc85a5d0052a7e4ecdacbb4ee1a68ebfc4bc69dcd1741b5b79a5abfdd47d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
4Lmm4pew4Z3EVCn
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Beds Protector Packer 1 IoCs
Detects Beds Protector packer used to load .NET malware.
- 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
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ REF R2100131410.pdf.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/2760-19-0x0000000002C00000-0x0000000002C01000-memory.dmp
memory/2760-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2760-23-0x0000000005F50000-0x0000000005F51000-memory.dmp
memory/2760-21-0x0000000005D70000-0x0000000005D71000-memory.dmp
memory/2760-20-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/2760-14-0x0000000073920000-0x000000007400E000-memory.dmp
memory/3996-5-0x0000000004CD0000-0x0000000004D4C000-memory.dmp
memory/3996-10-0x0000000004C50000-0x0000000004C51000-memory.dmp
memory/3996-3-0x0000000000400000-0x0000000000401000-memory.dmp
memory/3996-9-0x0000000002720000-0x000000000272F000-memory.dmp
memory/3996-2-0x0000000073920000-0x000000007400E000-memory.dmp
memory/3996-8-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/3996-7-0x0000000004E80000-0x0000000004E81000-memory.dmp
memory/3996-6-0x00000000052E0000-0x00000000052E1000-memory.dmp