Analysis
- max time kernel
135s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
16/06/2023, 14:07
General
- Target Remittance Advice -(DS78B) Payment# 133060908_JPG.exe
- Size 788KB
- Sample230616-rey8msfc68
- SHA256 c8a8ebf2ee4a00602286b70f837becf65f5237df00df1a6bcbcd37ab2c0aac7e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.jasperglobalmaritime.com
-
Port
587
-
Username
-
Password
Godsglory1
-
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 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\Remittance Advice -(DS78B) Payment# 133060908_JPG.exe"C:\Users\Admin\AppData\Local\Temp\Remittance Advice -(DS78B) Payment# 133060908_JPG.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Remittance Advice -(DS78B) Payment# 133060908_JPG.exe"C:\Users\Admin\AppData\Local\Temp\Remittance Advice -(DS78B) Payment# 133060908_JPG.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/2100-133-0x0000000000EC0000-0x0000000000F8C000-memory.dmp
memory/2100-134-0x0000000005E20000-0x00000000063C4000-memory.dmp
memory/2100-135-0x0000000005870000-0x0000000005902000-memory.dmp
memory/2100-136-0x0000000006510000-0x000000000651A000-memory.dmp
memory/2100-137-0x0000000005780000-0x0000000005790000-memory.dmp
memory/2100-138-0x0000000005780000-0x0000000005790000-memory.dmp
memory/2100-139-0x00000000092F0000-0x000000000938C000-memory.dmp
memory/3824-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3824-142-0x0000000004E60000-0x0000000004EC6000-memory.dmp
memory/3824-143-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/3824-144-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/3824-145-0x0000000006850000-0x00000000068A0000-memory.dmp
memory/3824-146-0x0000000006A70000-0x0000000006C32000-memory.dmp