Analysis
- max time kernel
146s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20230621-en - resource tags
- submitted
28/06/2023, 09:15
General
- Target proforma invoice.exe
- Size 691KB
- Sample230628-k7v85agh39
- SHA256 a66814d509d2386f2dcff674de026b092a29bb4851710954496fe95fb2df8356
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.methobsindia.com
-
Port
587
-
Username
-
Password
blessing2023
-
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
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 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\proforma invoice.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"C:\Users\Admin\AppData\Local\Temp\proforma invoice.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
proforma invoice.exe.log
memory/244-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/244-147-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/244-146-0x00000000068E0000-0x0000000006AA2000-memory.dmp
memory/244-145-0x00000000066C0000-0x0000000006710000-memory.dmp
memory/244-144-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/244-143-0x0000000004DF0000-0x0000000004E56000-memory.dmp
memory/5060-136-0x0000000005690000-0x000000000569A000-memory.dmp
memory/5060-139-0x000000000AE00000-0x000000000AE9C000-memory.dmp
memory/5060-138-0x0000000005580000-0x0000000005590000-memory.dmp
memory/5060-137-0x0000000005580000-0x0000000005590000-memory.dmp
memory/5060-133-0x0000000000B90000-0x0000000000C44000-memory.dmp
memory/5060-135-0x00000000055D0000-0x0000000005662000-memory.dmp
memory/5060-134-0x0000000005C70000-0x0000000006214000-memory.dmp