Analysis
- max time kernel
121s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231201-en - resource tags
- submitted
07/12/2023, 14:32
General
- Target Remittance advice.exe
- Size 777KB
- Sample231207-rwqmtsca77
- SHA256 583d249d488a67e338a0bbd3c03d3967fc179e226031bebde9b0913c889c70ac
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.mrgrouppk.com
-
Port
587
-
Username
-
Password
~_ShAzIa.MRG2023_~
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mrgrouppk.com
-
Port
587
-
Username
-
Password
~_ShAzIa.MRG2023_~
-
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.
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Remittance advice.exe.log
memory/1172-10-0x000000000A940000-0x000000000A9DC000-memory.dmp
memory/1172-14-0x0000000074E60000-0x0000000075610000-memory.dmp
memory/1172-3-0x0000000005670000-0x0000000005702000-memory.dmp
memory/1172-0-0x0000000000B10000-0x0000000000BD8000-memory.dmp
memory/1172-5-0x0000000005720000-0x000000000572A000-memory.dmp
memory/1172-6-0x0000000005BE0000-0x0000000005BFA000-memory.dmp
memory/1172-7-0x00000000069C0000-0x00000000069C8000-memory.dmp
memory/1172-8-0x00000000069E0000-0x00000000069EA000-memory.dmp
memory/1172-2-0x0000000005C20000-0x00000000061C4000-memory.dmp
memory/1172-9-0x0000000008290000-0x000000000830C000-memory.dmp
memory/1172-4-0x00000000058B0000-0x00000000058C0000-memory.dmp
memory/1172-1-0x0000000074E60000-0x0000000075610000-memory.dmp
memory/3668-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3668-17-0x0000000005570000-0x0000000005580000-memory.dmp
memory/3668-16-0x0000000074E60000-0x0000000075610000-memory.dmp
memory/3668-15-0x00000000055F0000-0x0000000005656000-memory.dmp
memory/3668-18-0x0000000006AF0000-0x0000000006B40000-memory.dmp
memory/3668-19-0x0000000074E60000-0x0000000075610000-memory.dmp
memory/3668-20-0x0000000005570000-0x0000000005580000-memory.dmp