Analysis
- max time kernel
91s - max time network
65s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
02/11/2022, 14:53
General
- Target e4d759c3be1ffffb65dedc540d319bab.exe
- Size 665KB
- Sample221102-r9a5ashfc8
- SHA256 172bf551662345dcf072f3dd78e9f3bff20183be4d5f31f44e3de8795e856fe5
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5169304639:AAEuGpfCL-hv_A-RdB_r9uRMHt_yvJZb2Z8/
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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e4d759c3be1ffffb65dedc540d319bab.exe"C:\Users\Admin\AppData\Local\Temp\e4d759c3be1ffffb65dedc540d319bab.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\XkZDTwcLUiTx.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\XkZDTwcLUiTx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADFC.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\e4d759c3be1ffffb65dedc540d319bab.exe"C:\Users\Admin\AppData\Local\Temp\e4d759c3be1ffffb65dedc540d319bab.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
Loading Replay Monitor...
Downloads
tmpADFC.tmp
memory/1064-77-0x000000006E880000-0x000000006EE2B000-memory.dmp
memory/1064-76-0x000000006E880000-0x000000006EE2B000-memory.dmp
memory/1280-63-0x00000000051D0000-0x000000000520E000-memory.dmp
memory/1280-58-0x0000000005620000-0x0000000005698000-memory.dmp
memory/1280-57-0x0000000000B40000-0x0000000000B4C000-memory.dmp
memory/1280-54-0x0000000001020000-0x00000000010CC000-memory.dmp
memory/1280-55-0x0000000075601000-0x0000000075603000-memory.dmp
memory/1280-56-0x0000000000DF0000-0x0000000000E0A000-memory.dmp
memory/1644-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1644-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1644-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1644-72-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1644-74-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1644-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1644-64-0x0000000000400000-0x000000000043C000-memory.dmp