Analysis
- max time kernel
151s - max time network
124s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
24/01/2022, 17:23
General
- Target PO#1242022.exe
- Size 475KB
- Sample220124-vx5d6agbfk
- SHA256 ef8bef489dc5a3046adce5c45cfb09308d08fa4563fe4fc7fa93e16437080e2c
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot2125726094:AAE7U2Rrs__bmMCMabktAF6h58yO3AAMZ7o/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#1242022.exe"C:\Users\Admin\AppData\Local\Temp\PO#1242022.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO#1242022.exe"C:\Users\Admin\AppData\Local\Temp\PO#1242022.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\PO#1242022.exe"C:\Users\Admin\AppData\Local\Temp\PO#1242022.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
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Downloads
memory/1340-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1340-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1340-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1340-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1340-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1340-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1340-66-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
memory/1672-55-0x0000000075341000-0x0000000075343000-memory.dmp
memory/1672-56-0x0000000004C50000-0x0000000004C51000-memory.dmp
memory/1672-57-0x0000000001EC0000-0x0000000001ECE000-memory.dmp
memory/1672-58-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/1672-59-0x0000000004C90000-0x0000000004D00000-memory.dmp
memory/1672-54-0x0000000000370000-0x00000000003EC000-memory.dmp