Analysis
- max time kernel
128s - max time network
110s - platform
windows10_x64 - resource
win10v20210410 - submitted
16/04/2021, 11:05
General
- Target Courier Shipment.exe
- Size 1.2MB
- Sample210416-wj5jgbdgma
- SHA256 712ee2c8e400db5f024878bc5296cb33f37bb6a19f17a9f68b3a194dd577a467
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.framafilms.com
-
Port
587
-
Username
-
Password
lister11
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Drops file in Drivers directory 1 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Courier Shipment.exe"C:\Users\Admin\AppData\Local\Temp\Courier Shipment.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Courier Shipment.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- 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/3736-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3736-137-0x0000000004E40000-0x000000000533E000-memory.dmp
memory/3736-134-0x0000000005B30000-0x0000000005B31000-memory.dmp
memory/3736-133-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/3736-132-0x0000000004E40000-0x000000000533E000-memory.dmp
memory/4060-119-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/4060-123-0x00000000072E0000-0x000000000738A000-memory.dmp
memory/4060-124-0x0000000005DF0000-0x0000000005E56000-memory.dmp
memory/4060-122-0x0000000007170000-0x0000000007175000-memory.dmp
memory/4060-121-0x00000000093D0000-0x00000000093D1000-memory.dmp
memory/4060-120-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
memory/4060-114-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/4060-118-0x0000000004E90000-0x0000000004E91000-memory.dmp
memory/4060-117-0x0000000009670000-0x0000000009671000-memory.dmp
memory/4060-116-0x0000000004C20000-0x0000000004CC1000-memory.dmp