Analysis
- max time kernel
123s - max time network
122s - platform
windows10_x64 - resource
win10v20210410 - submitted
11/06/2021, 11:24
General
- Target Faktura_21611447.exe
- Size 590KB
- Sample210611-76jhrryrp2
- SHA256 b86fbdeb14cd6cd5b5e144d029844e1c7d6e51c82b1bb7c3f0f07f8ff07258c9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gruposolve.es
-
Port
587
-
Username
-
Password
tT^eJ7+z7MXq
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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 WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Faktura_21611447.exe"C:\Users\Admin\AppData\Local\Temp\Faktura_21611447.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Faktura_21611447.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3168-123-0x0000000005A50000-0x0000000005A8D000-memory.dmp
memory/3168-116-0x0000000007610000-0x0000000007611000-memory.dmp
memory/3168-118-0x0000000006EC0000-0x0000000006EC1000-memory.dmp
memory/3168-119-0x0000000007190000-0x0000000007191000-memory.dmp
memory/3168-120-0x0000000002270000-0x0000000002272000-memory.dmp
memory/3168-121-0x0000000008BB0000-0x0000000008BB1000-memory.dmp
memory/3168-117-0x00000000071F0000-0x00000000071F1000-memory.dmp
memory/3168-114-0x0000000000060000-0x0000000000061000-memory.dmp
memory/3168-122-0x00000000097F0000-0x000000000986F000-memory.dmp
memory/3496-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3496-131-0x0000000005860000-0x0000000005D5E000-memory.dmp
memory/3496-132-0x0000000005A10000-0x0000000005A11000-memory.dmp
memory/3496-133-0x0000000006550000-0x0000000006551000-memory.dmp
memory/3496-136-0x0000000005860000-0x0000000005D5E000-memory.dmp