Analysis
- max time kernel
139s - max time network
82s - platform
windows10_x64 - resource
win10v20210408 - submitted
02/09/2021, 17:05
General
- Target obizx.exe
- Size 652KB
- Sample210902-vlt42seacp
- SHA256 64a50e1b33ace0e3faf26026566648f4b04d90cbfbc197a27330c0d690e3be8c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.shopalldealsnow.com
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Port
587
-
Username
-
Password
xB&jr&O+iYP@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\obizx.exe"C:\Users\Admin\AppData\Local\Temp\obizx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\obizx.exe"C:\Users\Admin\AppData\Local\Temp\obizx.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\obizx.exe"C:\Users\Admin\AppData\Local\Temp\obizx.exe"2⤵
- 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/184-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/184-133-0x0000000006280000-0x0000000006281000-memory.dmp
memory/184-132-0x00000000061F0000-0x00000000061F1000-memory.dmp
memory/184-131-0x0000000005500000-0x00000000059FE000-memory.dmp
memory/808-118-0x0000000005280000-0x0000000005281000-memory.dmp
memory/808-122-0x0000000006EB0000-0x0000000006F08000-memory.dmp
memory/808-123-0x0000000009BE0000-0x0000000009C18000-memory.dmp
memory/808-121-0x00000000074F0000-0x00000000074F1000-memory.dmp
memory/808-120-0x0000000005340000-0x0000000005356000-memory.dmp
memory/808-119-0x0000000005190000-0x000000000568E000-memory.dmp
memory/808-114-0x00000000006E0000-0x00000000006E1000-memory.dmp
memory/808-117-0x0000000005190000-0x0000000005191000-memory.dmp
memory/808-116-0x0000000005690000-0x0000000005691000-memory.dmp