Analysis
- max time kernel
70s - max time network
33s - platform
windows7_x64 - resource
win7-20230705-en - resource tags
- submitted
05/07/2023, 16:23
General
- Target rNewPO--KHN40402AUR1B-2-70K.exe
- Size 899KB
- Sample230705-tvsf5sfe6v
- SHA256 cd810234cb9e3102129a4319689d447b6a4433c64fda2c2ec3ed4403544155df
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.vista-logistics.com
-
Port
587
-
Username
-
Password
Y;RJpw&oI(Rw
-
Email to
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).
- 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 WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rNewPO--KHN40402AUR1B-2-70K.exe"C:\Users\Admin\AppData\Local\Temp\rNewPO--KHN40402AUR1B-2-70K.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aCmBbSQaK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B1C.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\rNewPO--KHN40402AUR1B-2-70K.exe"{path}"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\rNewPO--KHN40402AUR1B-2-70K.exe"{path}"2⤵
- 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
tmp5B1C.tmp
memory/2328-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2328-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2328-73-0x0000000004D70000-0x0000000004DB0000-memory.dmp
memory/2328-72-0x0000000004D70000-0x0000000004DB0000-memory.dmp
memory/2328-71-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2328-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2328-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2328-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2328-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2328-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3032-56-0x00000000003C0000-0x00000000003D4000-memory.dmp
memory/3032-54-0x0000000001040000-0x0000000001128000-memory.dmp
memory/3032-55-0x0000000004F40000-0x0000000004F80000-memory.dmp
memory/3032-58-0x0000000004D50000-0x0000000004D96000-memory.dmp
memory/3032-57-0x0000000004800000-0x0000000004890000-memory.dmp