Analysis
- max time kernel
123s - max time network
135s - platform
windows10_x64 - resource
win10v20210410 - submitted
10/06/2021, 16:08
General
- Target 9a188a4b5ab76f5d53892f7bcd5dfbeb.exe
- Size 879KB
- Sample210610-jbbqedc1f2
- SHA256 12b582ab21f7f9cd0f7475461d4f3e12ea5b8ce8ea86010e062d6dc7b5d83473
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
lontor.cf
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9a188a4b5ab76f5d53892f7bcd5dfbeb.exe"C:\Users\Admin\AppData\Local\Temp\9a188a4b5ab76f5d53892f7bcd5dfbeb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9a188a4b5ab76f5d53892f7bcd5dfbeb.exe"{path}"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/1972-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1972-133-0x00000000063F0000-0x00000000063F1000-memory.dmp
memory/1972-132-0x0000000005860000-0x0000000005861000-memory.dmp
memory/1972-131-0x0000000005700000-0x0000000005BFE000-memory.dmp
memory/2184-118-0x0000000005810000-0x0000000005811000-memory.dmp
memory/2184-122-0x0000000009010000-0x000000000908C000-memory.dmp
memory/2184-123-0x000000000B7D0000-0x000000000B811000-memory.dmp
memory/2184-121-0x00000000072B0000-0x00000000072B1000-memory.dmp
memory/2184-120-0x0000000005B50000-0x0000000005B52000-memory.dmp
memory/2184-119-0x00000000017C0000-0x00000000017C1000-memory.dmp
memory/2184-114-0x0000000000B30000-0x0000000000B31000-memory.dmp
memory/2184-117-0x00000000058B0000-0x00000000058B1000-memory.dmp
memory/2184-116-0x0000000005C10000-0x0000000005C11000-memory.dmp