Analysis
- max time kernel
97s - max time network
121s - platform
windows10_x64 - resource
win10 - submitted
19/10/2020, 06:39
General
- Target ebuka.exe
- Size 212KB
- Sample201019-p5wymc9fc2
- SHA256 a47357333cedf89cd51745ccd03a9bc33653e6aa5dcce2214934286d7c6b727d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.soaluga.pt
-
Port
587
-
Username
-
Password
Vw6@hLn7i^Ed
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 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 NtSetInformationThreadHideFromDebugger 12 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ebuka.exe"C:\Users\Admin\AppData\Local\Temp\ebuka.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout 42⤵
- Delays execution with timeout.exe
-
-
C:\Users\Admin\AppData\Local\Temp\ebuka.exe"C:\Users\Admin\AppData\Local\Temp\ebuka.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 17682⤵
- Program crash
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2204-15-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/3928-6-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/3928-3-0x00000000051B0000-0x00000000051B1000-memory.dmp
memory/3928-2-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/3928-5-0x0000000005750000-0x0000000005751000-memory.dmp
memory/3928-0-0x0000000072EF0000-0x00000000735DE000-memory.dmp
memory/3928-7-0x0000000005D90000-0x0000000005DD4000-memory.dmp
memory/3928-1-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/3952-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3952-10-0x0000000072EF0000-0x00000000735DE000-memory.dmp
memory/3952-16-0x0000000005830000-0x0000000005831000-memory.dmp
memory/3952-17-0x0000000006000000-0x0000000006001000-memory.dmp