Analysis
- max time kernel
135s - max time network
123s - platform
windows10_x64 - resource
win10v20210410 - submitted
05/08/2021, 14:21
General
- Target 53b546cb0d9e9e8a27a1317e55086eb2.exe
- Size 821KB
- Sample210805-qlmegwp4z6
- SHA256 8d71a665c2ff60a659ff0854cf31bf09d955714611c2ee3fe9b884fb7c89b0be
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
bh-16.webhostbox.net
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- 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\53b546cb0d9e9e8a27a1317e55086eb2.exe"C:\Users\Admin\AppData\Local\Temp\53b546cb0d9e9e8a27a1317e55086eb2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\53b546cb0d9e9e8a27a1317e55086eb2.exe"C:\Users\Admin\AppData\Local\Temp\53b546cb0d9e9e8a27a1317e55086eb2.exe"2⤵
- Drops file in Drivers directory
- 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/1428-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1428-132-0x00000000060C0000-0x00000000060C1000-memory.dmp
memory/1428-131-0x0000000005A30000-0x0000000005A31000-memory.dmp
memory/1428-130-0x0000000005450000-0x0000000005451000-memory.dmp
memory/3560-118-0x0000000005650000-0x0000000005651000-memory.dmp
memory/3560-121-0x0000000005B60000-0x0000000005B73000-memory.dmp
memory/3560-122-0x0000000008CC0000-0x0000000008D5A000-memory.dmp
memory/3560-123-0x000000000B090000-0x000000000B0C9000-memory.dmp
memory/3560-120-0x0000000005510000-0x00000000055A2000-memory.dmp
memory/3560-119-0x0000000008C20000-0x0000000008C21000-memory.dmp
memory/3560-114-0x0000000000CA0000-0x0000000000CA1000-memory.dmp
memory/3560-117-0x00000000055B0000-0x00000000055B1000-memory.dmp
memory/3560-116-0x0000000005BF0000-0x0000000005BF1000-memory.dmp