Analysis
- max time kernel
121s - max time network
127s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
- submitted
25/06/2024, 08:50
General
- Target HSBC Payment Advice_pdf.exe
- Size 667KB
- Sample240625-krksfsshjr
- SHA256 88ee50dbfee90121de2f56cbb6fb8e23384f2423a0598a45147fe08f6503cb3b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.privateemail.com
-
Port
587
-
Username
-
Password
Ukbase123.
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_pdf.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_pdf.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_pdf.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1696-0-0x000000007478E000-0x000000007478F000-memory.dmp
memory/1696-1-0x0000000000240000-0x00000000002EC000-memory.dmp
memory/1696-2-0x0000000074780000-0x0000000074E6E000-memory.dmp
memory/1696-3-0x0000000000300000-0x0000000000310000-memory.dmp
memory/1696-4-0x00000000003A0000-0x00000000003AC000-memory.dmp
memory/1696-5-0x0000000004F90000-0x0000000005012000-memory.dmp
memory/1696-20-0x0000000074780000-0x0000000074E6E000-memory.dmp
memory/2648-6-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2648-14-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2648-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2648-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2648-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2648-18-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2648-16-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2648-19-0x0000000074780000-0x0000000074E6E000-memory.dmp
memory/2648-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2648-21-0x0000000074780000-0x0000000074E6E000-memory.dmp
memory/2648-22-0x0000000074780000-0x0000000074E6E000-memory.dmp