Analysis
- max time kernel
137s - max time network
117s - platform
windows10_x64 - resource
win10 - submitted
13/10/2020, 13:24
General
- Target NANIWA ALG-40Q.exe
- Size 572KB
- Sample201013-ssta4k746j
- SHA256 30e5d725ef8367f4d2d044ab45908659b7eda107d02452f6b30a87e4a6a49885
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
udehanyim@11
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 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
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\NANIWA ALG-40Q.exe"C:\Users\Admin\AppData\Local\Temp\NANIWA ALG-40Q.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1960-14-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/1960-18-0x00000000058F0000-0x00000000058F1000-memory.dmp
memory/1960-22-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
memory/1960-19-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/1960-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1960-20-0x0000000006440000-0x0000000006441000-memory.dmp
memory/3768-1-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/3768-6-0x0000000004D10000-0x0000000004D11000-memory.dmp
memory/3768-5-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/3768-0-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/3768-8-0x0000000005A50000-0x0000000005A66000-memory.dmp
memory/3768-3-0x0000000004B50000-0x0000000004B87000-memory.dmp
memory/3768-4-0x0000000005090000-0x0000000005091000-memory.dmp