Analysis
- max time kernel
142s - max time network
114s - platform
windows10_x64 - resource
win10v20210408 - submitted
02/07/2021, 11:56
General
- Target 8ebc020b149eb9d1b9334e5738e162ed.exe
- Size 664KB
- Sample210702-cbp3aj1ka2
- SHA256 6bf069abd9545acb9c28ea325847c2c00cb8eaf93b6ebacf06b0d38d363573ba
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
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Host
smtp3.ines.ro
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Port
587
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Username
-
Password
GW!g&95W7rs
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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8ebc020b149eb9d1b9334e5738e162ed.exe"C:\Users\Admin\AppData\Local\Temp\8ebc020b149eb9d1b9334e5738e162ed.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\imLCOD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B8E.tmp"2⤵
- Creates scheduled task(s)
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-
C:\Users\Admin\AppData\Local\Temp\8ebc020b149eb9d1b9334e5738e162ed.exe"C:\Users\Admin\AppData\Local\Temp\8ebc020b149eb9d1b9334e5738e162ed.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\8ebc020b149eb9d1b9334e5738e162ed.exe"C:\Users\Admin\AppData\Local\Temp\8ebc020b149eb9d1b9334e5738e162ed.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/412-138-0x0000000004F60000-0x000000000545E000-memory.dmp
memory/412-136-0x0000000005C50000-0x0000000005C51000-memory.dmp
memory/412-135-0x00000000050D0000-0x00000000050D1000-memory.dmp
memory/412-134-0x0000000004F60000-0x000000000545E000-memory.dmp
memory/412-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/900-119-0x0000000005850000-0x0000000005851000-memory.dmp
memory/900-124-0x000000000C2C0000-0x000000000C30B000-memory.dmp
memory/900-123-0x000000000C240000-0x000000000C2B5000-memory.dmp
memory/900-122-0x0000000009FC0000-0x000000000BFBF000-memory.dmp
memory/900-121-0x0000000005900000-0x0000000005DFE000-memory.dmp
memory/900-120-0x0000000005B00000-0x0000000005B01000-memory.dmp
memory/900-114-0x0000000000F90000-0x0000000000F91000-memory.dmp
memory/900-118-0x00000000059A0000-0x00000000059A1000-memory.dmp
memory/900-117-0x0000000005E00000-0x0000000005E01000-memory.dmp
memory/900-116-0x0000000005860000-0x0000000005861000-memory.dmp