Analysis
- max time kernel
105s - max time network
105s - platform
windows7_x64 - resource
win7-20220414-en - submitted
15/06/2022, 12:05
General
- Target f31195840636a6c887417f2e425e2850.exe
- Size 711KB
- Sample220615-n86m2aeegn
- SHA256 5c8855f5a88abfdb679fb4d3ad9cf19d9df00ae47d63b65bbdf4b4a996ab27cf
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5390947912:AAHEgjYo1gPtN1Ab-AFe3LYschZNgfjljuk/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f31195840636a6c887417f2e425e2850.exe"C:\Users\Admin\AppData\Local\Temp\f31195840636a6c887417f2e425e2850.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SyDyJxygjHWatp.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SyDyJxygjHWatp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE9E3.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\f31195840636a6c887417f2e425e2850.exe"C:\Users\Admin\AppData\Local\Temp\f31195840636a6c887417f2e425e2850.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpE9E3.tmp
memory/1644-77-0x000000006E6A0000-0x000000006EC4B000-memory.dmp
memory/1644-76-0x000000006E6A0000-0x000000006EC4B000-memory.dmp
memory/1876-68-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1876-72-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1876-74-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1876-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1876-65-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1876-67-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1876-69-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1888-54-0x0000000000890000-0x0000000000948000-memory.dmp
memory/1888-63-0x0000000004E30000-0x0000000004E6A000-memory.dmp
memory/1888-57-0x0000000005FA0000-0x0000000006036000-memory.dmp
memory/1888-62-0x0000000004920000-0x0000000004926000-memory.dmp
memory/1888-56-0x00000000003B0000-0x00000000003C2000-memory.dmp
memory/1888-55-0x0000000076191000-0x0000000076193000-memory.dmp