Analysis
- max time kernel
108s - max time network
94s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
13/10/2022, 06:20
General
- Target SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe
- Size 7KB
- Sample221013-g3rtcsahgn
- SHA256 9e70f94c2bee83c63e40004e38b390edf044b64e5ab5554f3aad9dd187e23d6d
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5329940603:AAEm7pamtb0Y3gJkFH2RisynqkQ5_GX9q5A/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/336-68-0x0000000000400000-0x000000000043A000-memory.dmp
memory/336-66-0x0000000000400000-0x000000000043A000-memory.dmp
memory/336-73-0x0000000000400000-0x000000000043A000-memory.dmp
memory/336-71-0x0000000000400000-0x000000000043A000-memory.dmp
memory/336-67-0x0000000000400000-0x000000000043A000-memory.dmp
memory/336-63-0x0000000000400000-0x000000000043A000-memory.dmp
memory/336-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1308-62-0x000000006E5A0000-0x000000006EB4B000-memory.dmp
memory/1308-61-0x000000006E5A0000-0x000000006EB4B000-memory.dmp
memory/1308-60-0x000000006E5A0000-0x000000006EB4B000-memory.dmp
memory/1848-55-0x0000000076091000-0x0000000076093000-memory.dmp
memory/1848-54-0x00000000010B0000-0x00000000010B8000-memory.dmp
memory/1848-57-0x0000000005A20000-0x0000000005AB2000-memory.dmp
memory/1848-56-0x00000000083A0000-0x000000000848A000-memory.dmp