Analysis
- max time kernel
59s - max time network
115s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:13
General
- Target bust.exe
- Size 716KB
- Sample201109-gakmpsa652
- SHA256 ccd6e2bc024bef356625393048a9a1206fd968bfcf327a36c9e17debd06da5c6
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.kteadubai.com
-
Port
587
-
Username
-
Password
bt3tw9wqh#B
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.kteadubai.com
-
Port
587
-
Username
-
Password
bt3tw9wqh#B
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 26 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bust.exe"C:\Users\Admin\AppData\Local\Temp\bust.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bust.exe"C:\Users\Admin\AppData\Local\Temp\bust.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
-
-
C:\Users\Admin\AppData\Local\Temp\bust.exe"C:\Users\Admin\AppData\Local\Temp\bust.exe" 2 1332 2592737652⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1332-6-0x0000000000852000-0x0000000000853000-memory.dmp
memory/1332-7-0x00000000732E0000-0x00000000739CE000-memory.dmp
memory/1332-3-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/1332-4-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/1332-16-0x0000000005DA0000-0x0000000005DA1000-memory.dmp
memory/1332-5-0x0000000002200000-0x0000000002252000-memory.dmp
memory/1332-0-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/1332-12-0x0000000004A10000-0x0000000004A11000-memory.dmp
memory/1332-11-0x0000000004950000-0x0000000004951000-memory.dmp
memory/1332-10-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/1332-13-0x0000000004A40000-0x0000000004A41000-memory.dmp
memory/1332-15-0x0000000005DD0000-0x0000000005DD1000-memory.dmp