Analysis
- max time kernel
31s - max time network
139s - platform
windows7_x64 - resource
win7-20230621-en - resource tags
- submitted
27/06/2023, 06:59
General
- Target b39ec4e8104e06705f1eea981c75ebce.exe
- Size 351KB
- Sample230627-hr3bdsec5v
- SHA256 80ae62b5d4012d415c4cb598140cfb6ad485b07f712a0c40d31d6fb46c4dd922
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sienkakupeste.com
-
Port
587
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Username
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Password
010203sienka++
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops startup file 2 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
- 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
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b39ec4e8104e06705f1eea981c75ebce.exe"C:\Users\Admin\AppData\Local\Temp\b39ec4e8104e06705f1eea981c75ebce.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\b39ec4e8104e06705f1eea981c75ebce.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\b39ec4e8104e06705f1eea981c75ebce.exe"C:\Users\Admin\AppData\Local\Temp\b39ec4e8104e06705f1eea981c75ebce.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b39ec4e8104e06705f1eea981c75ebce.exe"C:\Users\Admin\AppData\Local\Temp\b39ec4e8104e06705f1eea981c75ebce.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Cab513F.tmp
memory/1152-55-0x0000000000290000-0x00000000002D8000-memory.dmp
memory/1152-56-0x0000000004480000-0x00000000044C0000-memory.dmp
memory/1152-59-0x0000000000230000-0x000000000023A000-memory.dmp
memory/1152-54-0x0000000000090000-0x00000000000EE000-memory.dmp
memory/1332-71-0x0000000002540000-0x0000000002580000-memory.dmp
memory/1332-72-0x0000000002540000-0x0000000002580000-memory.dmp
memory/1332-70-0x0000000002540000-0x0000000002580000-memory.dmp
memory/1788-60-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1788-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1788-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1788-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1788-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1788-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1788-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1788-74-0x0000000004600000-0x0000000004640000-memory.dmp
memory/1788-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1788-91-0x0000000004600000-0x0000000004640000-memory.dmp