Analysis
- max time kernel
142s - max time network
148s - platform
windows10_x64 - resource
win10-en - submitted
03/09/2021, 13:17
General
- Target MT103-8392832.exe
- Size 440KB
- Sample210903-qjc1jadbc8
- SHA256 4950adb6920bb8a3f9a37bfdab46c5f6c38236cacc1237f47732f30196c32bc3
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.shopalldealsnow.com
-
Port
587
-
Username
-
Password
^hga#I%C]$Ce
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
- 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MT103-8392832.exe"C:\Users\Admin\AppData\Local\Temp\MT103-8392832.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\txHVHFSWel" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF8D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\MT103-8392832.exe"C:\Users\Admin\AppData\Local\Temp\MT103-8392832.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/4416-135-0x0000000005B80000-0x0000000005B81000-memory.dmp
memory/4416-134-0x0000000005AE0000-0x0000000005AE1000-memory.dmp
memory/4416-133-0x0000000004E80000-0x000000000537E000-memory.dmp
memory/4416-126-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4676-120-0x0000000007980000-0x0000000007E7E000-memory.dmp
memory/4676-124-0x0000000004F40000-0x0000000004F78000-memory.dmp
memory/4676-123-0x0000000009770000-0x00000000097C8000-memory.dmp
memory/4676-122-0x0000000009E80000-0x0000000009E81000-memory.dmp
memory/4676-121-0x0000000007C20000-0x0000000007C36000-memory.dmp
memory/4676-115-0x0000000000C50000-0x0000000000C51000-memory.dmp
memory/4676-119-0x00000000079E0000-0x00000000079E1000-memory.dmp
memory/4676-118-0x0000000007A20000-0x0000000007A21000-memory.dmp
memory/4676-117-0x0000000007E80000-0x0000000007E81000-memory.dmp