Analysis
- max time kernel
133s - max time network
113s - platform
windows10_x64 - resource
win10v20210408 - submitted
08/06/2021, 19:31
General
- Target c1a05330f830663fe799a00df3a44bb7.exe
- Size 661KB
- Sample210608-8vgrdzp6p2
- SHA256 c33cfc3f4bb960a35be3e998d07557eaceb960f9950eeb2c99ae367874e771c5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
peak-tv.tk
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c1a05330f830663fe799a00df3a44bb7.exe"C:\Users\Admin\AppData\Local\Temp\c1a05330f830663fe799a00df3a44bb7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\c1a05330f830663fe799a00df3a44bb7.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/1040-121-0x0000000008240000-0x0000000008241000-memory.dmp
memory/1040-123-0x000000000AC60000-0x000000000ACA0000-memory.dmp
memory/1040-118-0x0000000004AE0000-0x0000000004FDE000-memory.dmp
memory/1040-119-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/1040-120-0x0000000008180000-0x0000000008182000-memory.dmp
memory/1040-114-0x0000000000250000-0x0000000000251000-memory.dmp
memory/1040-122-0x0000000006680000-0x00000000066FE000-memory.dmp
memory/1040-117-0x0000000004B80000-0x0000000004B81000-memory.dmp
memory/1040-116-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/1284-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1284-131-0x0000000004D30000-0x0000000004D31000-memory.dmp
memory/1284-132-0x00000000052C0000-0x00000000052C1000-memory.dmp
memory/1284-133-0x0000000005AA0000-0x0000000005AA1000-memory.dmp