Analysis
- max time kernel
118s - max time network
120s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
06/01/2022, 01:17
General
- Target REQ. ORDER 0032566.exe
- Size 627KB
- Sample220106-bndejaahb8
- SHA256 95b9a3dab50db7b096629c3f9265b131627909ddeffdcab6da1093a4f4e83fd3
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5082673869:AAHPx348yCyfnI9U-mY2fUJHGS4Mz9ftnQA/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
- Loads dropped DLL 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.exe"C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.exe"C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.exe"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
memory/460-57-0x0000000000400000-0x000000000044B000-memory.dmp
memory/460-60-0x0000000000400000-0x000000000044B000-memory.dmp
memory/460-61-0x0000000001EA0000-0x0000000001EDC000-memory.dmp
memory/460-62-0x0000000001EA0000-0x0000000001EDC000-memory.dmp
memory/460-64-0x0000000004702000-0x0000000004703000-memory.dmp
memory/460-63-0x0000000004701000-0x0000000004702000-memory.dmp
memory/460-65-0x0000000004703000-0x0000000004704000-memory.dmp
memory/460-66-0x0000000004704000-0x0000000004705000-memory.dmp
memory/1484-55-0x0000000074B21000-0x0000000074B23000-memory.dmp