Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
22/02/2023, 10:39
General
- Target invoice.exe
- Size 918KB
- Sample230222-mpymmsah44
- SHA256 9554be09d976e055ba80e2e4e23eb07e7e79331d668dd4d132fbd78969f6f3a2
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.transpowerc.cf
-
Port
587
-
Username
-
Password
pass word 2022
-
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 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\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
invoice.exe.log
memory/1268-143-0x00000000056D0000-0x00000000056E0000-memory.dmp
memory/1268-139-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1268-142-0x00000000055B0000-0x0000000005616000-memory.dmp
memory/1268-144-0x0000000006E90000-0x0000000006E9A000-memory.dmp
memory/1268-145-0x00000000070E0000-0x0000000007130000-memory.dmp
memory/1268-146-0x0000000007300000-0x00000000074C2000-memory.dmp
memory/1268-147-0x00000000056D0000-0x00000000056E0000-memory.dmp
memory/3352-135-0x0000000007320000-0x00000000073B2000-memory.dmp
memory/3352-136-0x0000000004D50000-0x0000000004D60000-memory.dmp
memory/3352-137-0x0000000007FA0000-0x0000000008544000-memory.dmp
memory/3352-138-0x00000000079F0000-0x0000000007A8C000-memory.dmp
memory/3352-134-0x0000000004D50000-0x0000000004D60000-memory.dmp
memory/3352-133-0x00000000001E0000-0x00000000002CC000-memory.dmp