Analysis
- max time kernel
150s - max time network
16s - platform
windows7_x64 - resource
win7v200722 - 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 4 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 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 12 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/1060-0-0x00000000740C0000-0x00000000747AE000-memory.dmp
memory/1060-5-0x0000000000810000-0x0000000000826000-memory.dmp
memory/1060-3-0x0000000000270000-0x00000000002A7000-memory.dmp
memory/1060-1-0x0000000000F10000-0x0000000000F11000-memory.dmp
memory/1636-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1636-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1636-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1636-14-0x00000000739D0000-0x00000000740BE000-memory.dmp