Analysis
- max time kernel
141s - max time network
134s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
29/08/2022, 04:31
General
- Target SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe
- Size 677KB
- Sample220829-e5dneabdgm
- SHA256 78471c31bf9d8b5f7526d6857817b18b8b84df630f1b9161ddcaacdea5121884
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.palumalimited.com
-
Port
587
-
Username
-
Password
pa!bwg]Kl(Z2
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.palumalimited.com
-
Port
587
-
Username
-
Password
pa!bwg]Kl(Z2
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 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.
- 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.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\slKtztqf.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\slKtztqf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9CFC.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
tmp9CFC.tmp
memory/288-68-0x0000000000400000-0x000000000043A000-memory.dmp
memory/288-74-0x0000000000400000-0x000000000043A000-memory.dmp
memory/288-72-0x0000000000400000-0x000000000043A000-memory.dmp
memory/288-69-0x0000000000400000-0x000000000043A000-memory.dmp
memory/288-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/288-65-0x0000000000400000-0x000000000043A000-memory.dmp
memory/288-67-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1600-76-0x000000006E7F0000-0x000000006EA68000-memory.dmp
memory/2036-58-0x0000000005BA0000-0x0000000005C2A000-memory.dmp
memory/2036-63-0x0000000007DC0000-0x0000000007DFC000-memory.dmp
memory/2036-54-0x0000000000E90000-0x0000000000F3E000-memory.dmp
memory/2036-57-0x00000000005C0000-0x00000000005CC000-memory.dmp
memory/2036-56-0x0000000000660000-0x0000000000678000-memory.dmp
memory/2036-55-0x0000000075C61000-0x0000000075C63000-memory.dmp