Analysis
- max time kernel
133s - max time network
126s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
16/12/2021, 04:17
General
- Target OV2BR2G9XZfQ1M9.exe
- Size 511KB
- Sample211216-ewdbaabhgr
- SHA256 4b7ebbf2cb82e29b854f646b66e3756b5226910b42996d267fb770eff225954d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.ozprize.com.au
-
Port
587
-
Username
-
Password
JQ&+VhtZh#;X
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe"C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe"C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe"2⤵
- 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
memory/680-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/680-134-0x0000000006140000-0x0000000006141000-memory.dmp
memory/680-133-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/680-132-0x0000000005450000-0x000000000594E000-memory.dmp
memory/3500-119-0x00000000054F0000-0x00000000054F1000-memory.dmp
memory/3500-123-0x0000000007CF0000-0x0000000007CF1000-memory.dmp
memory/3500-124-0x0000000007F10000-0x0000000007F7A000-memory.dmp
memory/3500-122-0x00000000056F0000-0x00000000056F8000-memory.dmp
memory/3500-121-0x00000000055A0000-0x0000000005A9E000-memory.dmp
memory/3500-120-0x0000000005740000-0x0000000005741000-memory.dmp
memory/3500-115-0x0000000000BA0000-0x0000000000BA1000-memory.dmp
memory/3500-118-0x0000000005450000-0x0000000005451000-memory.dmp
memory/3500-117-0x0000000005AA0000-0x0000000005AA1000-memory.dmp