Analysis
- max time kernel
143s - max time network
117s - platform
windows10_x64 - resource
win10v20210408 - submitted
06/09/2021, 12:38
General
- Target 2c265a8715c2c8f85d0ffea12226b8dd.exe
- Size 1.8MB
- Sample210906-pt342aecan
- SHA256 515aeac4841b51f4ef59ace6b939e49eb902b00c4bd2f7a0c433ac260448b93f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.dm-teh.com
-
Port
587
-
Username
-
Password
Vm@(O;CO.vEQ
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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\2c265a8715c2c8f85d0ffea12226b8dd.exe"C:\Users\Admin\AppData\Local\Temp\2c265a8715c2c8f85d0ffea12226b8dd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1040-126-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1040-139-0x00000000053E1000-0x00000000053E2000-memory.dmp
memory/1040-138-0x0000000006370000-0x0000000006371000-memory.dmp
memory/1040-135-0x0000000006040000-0x0000000006041000-memory.dmp
memory/1040-133-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/4800-119-0x00000000051D0000-0x0000000005262000-memory.dmp
memory/4800-124-0x0000000006B00000-0x0000000006B0B000-memory.dmp
memory/4800-125-0x0000000006B10000-0x0000000006B11000-memory.dmp
memory/4800-123-0x00000000051D0000-0x0000000005262000-memory.dmp
memory/4800-122-0x0000000006680000-0x0000000006681000-memory.dmp
memory/4800-121-0x00000000067E0000-0x00000000067E1000-memory.dmp
memory/4800-120-0x00000000066B0000-0x00000000066D1000-memory.dmp
memory/4800-114-0x0000000000870000-0x0000000000871000-memory.dmp
memory/4800-118-0x0000000005370000-0x0000000005371000-memory.dmp
memory/4800-117-0x00000000052D0000-0x00000000052D1000-memory.dmp
memory/4800-116-0x00000000057D0000-0x00000000057D1000-memory.dmp