Analysis
- max time kernel
124s - max time network
152s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/10/2021, 09:25
General
- Target d40a49b7a43b0e4a79a2693d541dbae1.exe
- Size 481KB
- Sample211007-ldl9sscdfm
- SHA256 ff89ced611d4ad5167bec7392316bd7a75c45cfdde67d26f248178aa728b263c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
X!oHio)4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d40a49b7a43b0e4a79a2693d541dbae1.exe"C:\Users\Admin\AppData\Local\Temp\d40a49b7a43b0e4a79a2693d541dbae1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d40a49b7a43b0e4a79a2693d541dbae1.exe"C:\Users\Admin\AppData\Local\Temp\d40a49b7a43b0e4a79a2693d541dbae1.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3960-123-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3960-135-0x0000000005231000-0x0000000005232000-memory.dmp
memory/3960-132-0x0000000005F40000-0x0000000005F41000-memory.dmp
memory/3960-131-0x0000000005400000-0x0000000005401000-memory.dmp
memory/3960-130-0x0000000005230000-0x0000000005231000-memory.dmp
memory/4060-118-0x0000000004A00000-0x0000000004A01000-memory.dmp
memory/4060-122-0x0000000005920000-0x0000000005978000-memory.dmp
memory/4060-121-0x0000000004A50000-0x0000000004A5A000-memory.dmp
memory/4060-120-0x0000000004A30000-0x0000000004F2E000-memory.dmp
memory/4060-119-0x0000000004E20000-0x0000000004E21000-memory.dmp
memory/4060-114-0x0000000000150000-0x0000000000151000-memory.dmp
memory/4060-117-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/4060-116-0x0000000004F30000-0x0000000004F31000-memory.dmp